Could you complete this? Thanks

Could You Complete This? Thanks

Answers

Answer 1

The complete balanced equations with the stoichiometric coefficients are:

10) 16Al + 3S₈ → 8Al₂S₃

11)  6 Cs + N₂  →  2Cs₃N

12) Mg + Cl₂ →  MgCl₂

What is stoichiometric coefficient?

The quantity of molecules involved in the reaction is known as the stoichiometric coefficient or stoichiometric number. Any balanced response has an equal number of components on both sides of the equation, as can be seen by looking at it. The number that is present in front of atoms, molecules, or ions is known as the stoichiometric coefficient.

Other reactions:

13)10Rb + 2RbNO₃ → 6Rb₂O + N₂

14) 2C₆H₆ + 15O₂ → 6H₂O + 12CO₂

15) N₂ + 3H₂ →   2NH₃

16)Al(OH)₃ + H₂SO₄ → Al₂(SO₄)₃ + H₂O

17) 2Na + Cl₂ →   2NaCl

18) 16Rb + S₈ → 8Rb₂S

19) 2H₃PO₄ + 3Ca(OH)₂ → Ca₃(PO₄)₂ + 6H₂O

To know more about Balancing a chemical equation, visit:

https://brainly.com/question/28294176

#SPJ1


Related Questions

1. 2KCIO, 2KCI + 30₂ If 500 g of KCIO, decomposes and produces 303 g of KCI, how many grams of O₂ are produced?​

Answers

Answer:195 g of O2 are produced when 500 g of KClO3 decompose and produce 303 g of KCl.

Explanation: The balanced chemical equation for the decomposition of 2KClO3 into 2KCl and 3O2 is:

2KClO3 → 2KCl + 3O2

According to the equation, for every 2 moles of KClO3 that decompose, 3 moles of O2 are produced.

We can use this information to set up a proportion to find the amount of O2 produced when 500 g of KClO3 decompose and produce 303 g of KCl:

2 moles KClO3 / 303 g KCl = 3 moles O2 / x g O2

where x is the amount of O2 produced.

First, we need to convert the mass of KCl to moles using its molar mass:

Molar mass KCl = 39.1 g/mol + 35.5 g/mol = 74.6 g/mol

303 g KCl / 74.6 g/mol = 4.06 moles KCl

Now we can solve for x:

2 moles KClO3 / 4.06 moles KCl = 3 moles O2 / x

Cross-multiplying and solving for x, we get:

x = (3 moles O2 * 4.06 moles KCl) / 2 moles KClO3

x = 6.09 moles O2

Finally, we can convert moles of O2 to grams using its molar mass:

Molar mass O2 = 2(16.0 g/mol) = 32.0 g/mol

6.09 moles O2 * 32.0 g/mol = 195 g O2

Therefore, approximately 195 g of O2 are produced when 500 g of KClO3 decompose and produce 303 g of KCl.

Please help me with this

Answers

Claim: The upward movement of air in the cloud was caused by the process of convection, where warm, less dense air rises due to buoyancy.

Evidence and Reasoning:

When the sun heats the Earth's surface, the air near the ground also gets heated, which causes it to expand and become less dense. This less dense air then rises upwards, carrying heat energy along with it. This process is known as convection

What caused this upward movement of air in the cloud?

When the sun heats the surface of the earth, causing the air becomes warmer and less dense. This warm air rises and carries moisture with it. As the warm air rises, it cools and the moisture in the air condenses into tiny droplets, forming a cloud. The rising air in the cloud continues to cool and release moisture until it reaches a point where the air can no longer hold the moisture, and rain or other precipitation occurs.

The process of convection is driven by the transfer of heat energy from the surface of the Earth to the air. As the warm air rises, it transfers energy to the surrounding air, causing it to rise as well. This upward movement of air continues until the air reaches a point where it is no longer warmer or less dense than the surrounding air.

Furthermore, the density of the air plays an important role in the process of convection. Warm air is less dense than cool air, which means it is lighter and more buoyant. As a result, warm air rises, and cooler air sinks. This is why the air in the cloud rises upwards, carrying moisture with it.

Learn more about clouds at: https://brainly.com/question/1242352

#SPJ1

Calculate the amount of energy in kilojoules needed to change 207 g
of water ice at −
10 ∘C
to steam at 125 ∘C
. The following constants may be useful:

Cm (ice)=36.57 J/(mol⋅∘C)

Cm (water)=75.40 J/(mol⋅∘C)

Cm (steam)=36.04 J/(mol⋅∘C)

ΔHfus=+6.01 kJ/mol

ΔHvap=+40.67 kJ/mol

Answers

Therefore, the amount of energy required to change 207 g of water ice at −10 ∘C to steam at 125 ∘C is 744.3618 kJ.

What does kJ mean in terms of energy?

Similar to how kilometres measure distance, a kilojoule is a measurement used to measure energy. Some nations continue to use the Calories (Cal) system, which was once used to quantify food energy. These are the conversions: 1 kJ equals 0.2 Cal.

To figure out how much energy is needed to convert 207 g of water ice at -10°C to steam at 125°C, we must divide the process into several stages and figure out how much energy is needed for each one:

Heating ice from -10°C to 0°C:

q1 = m × Cm(ice) × ΔT

= 207 g ÷ 18.02 g/mol × 36.57 J/(mol⋅∘C) × (0 - (-10)) ∘C

= 41324.8 J

= 41.3248 kJ

Melting ice at 0°C:

q2 = n × ΔHfus

= m ÷ M × ΔHfus

= 207 g ÷ 18.02 g/mol × 6.01 kJ/mol

= 56.804 kJ

Heating water from 0°C to 100°C:

q3 = m × Cm(water) × ΔT

= 207 g ÷ 18.02 g/mol × 75.40 J/(mol⋅∘C) × (100 - 0) ∘C

= 174667.6 J

= 174.6676 kJ

Vaporizing water at 100°C:

q4 = n × ΔHvap

= m ÷ M × ΔHvap

= 207 g ÷ 18.02 g/mol × 40.67 kJ/mol

= 467.7326 kJ

Heating steam from 100°C to 125°C:

q5 = m × Cm(steam) × ΔT

= 207 g ÷ 18.02 g/mol × 36.04 J/(mol⋅∘C) × (125 - 100) ∘C

= 3832.8 J

= 3.8328 kJ

Total energy required:

qtotal = q1+q2+q3+q4+q5

= 41.3248 kJ + 56.804 kJ + 174.6676 kJ + 467.7326 kJ + 3.8328 kJ

= 744.3618 kJ.

To know more about energy visit:-

https://brainly.com/question/8630757

#SPJ9

Effect of Solvent:
Record the results.
H2O =
alcohol =
glycerin =
In which liquid is the salt most soluble?
Using the concept of `'Like dissolves like," explain why you got the results you did.
Explain how the choice of solvent affects the dissolving process.
Effect of Pulverizing:
Record of dissolving times.
crystal =
pulverized =
Why are the dissolving rates different?
Effect of Temperature:
Record of dissolving times.
cold =
hot
Using the concepts of kinetic energy, describe why you found the results you did.
Effect of Stirring:
Record the times necessary to dissolve each sample.
Record of dissolving time.
stirred =
unstirred =
Perform the experiment again using hot tap water this time. Are there any differences in the results between the cold water experiment and the hot water experiment? Explain.
Conclusions:

Review the four factors of dissolving you have just investigated. Given the correct solvent for a solute, what could you do to hasten the solution process?

1.

2.

3.

Answers

To hasten the solution process, we can choose the correct solvent for the solute, pulverize the solute to increase its surface area, increase the temperature of the solvent.

Effect of Solvent:

H2O = most soluble

alcohol = least soluble

glycerin = intermediate solubility

The salt is most soluble in water because salt is an ionic compound and water is a polar solvent. "Like dissolves like" means that substances with similar polarity and intermolecular forces tend to dissolve each other. Water is a polar solvent, meaning it has a partial positive charge on one end and a partial negative charge on the other, while salt is an ionic compound made up of positively and negatively charged ions. The partial charges on the water molecule can interact with the ions of salt, causing the salt to dissolve.

The choice of solvent affects the dissolving process because it determines the ability of the solvent to interact with the solute. Solvents that are similar in polarity and intermolecular forces to the solute tend to dissolve the solute more easily.

Effect of Pulverizing:

crystal = longest dissolving time

pulverized = shortest dissolving time

The dissolving rates are different because pulverizing the salt increases its surface area, exposing more salt to the solvent and allowing for a greater opportunity for the solute-solvent interactions to occur.

Effect of Temperature:

cold = longest dissolving time

hot = shortest dissolving time

Increasing the temperature of the solvent increases the kinetic energy of the solvent molecules, which leads to more frequent and energetic collisions with the solute particles, resulting in faster dissolving rates.

Effect of Stirring:

stirred = shorter dissolving time

unstirred = longer dissolving time

Stirring increases the rate of the dissolving process by helping to disperse the solute particles evenly throughout the solvent, increasing the surface area of the solute that is in contact with the solvent, and promoting the mixing of the solute and solvent.

Conclusions:

To hasten the solution process, we can choose the correct solvent for the solute, pulverize the solute to increase its surface area, increase the temperature of the solvent, and stir the solution to disperse the solute particles evenly throughout the solvent.

Learn more about solubility here

https://brainly.com/question/28170449

#SPJ1

If a student had 28 moles of solid carbon would that be enough to produce 15 moles of C2H6

Answers

No, 28 moles of solid carbon would not be enough to produce 15 moles of [tex]C_2H_6[/tex] (Ethane).

This is because the reaction requires more than 1 mole of carbon to produce 1 mole of [tex]C_2H_6[/tex]. The mole ratio of [tex]C_2H_6[/tex]:C is 2:1, so 28 moles of carbon would only be enough to produce 14 moles of [tex]C_2H_6[/tex].A chemical compound having the molecular formula  [tex]C_2H_6[/tex], ethane is an organic substance. Ethane is an odourless, colourless gas at ordinary pressure and temperature. Ethane is separated from natural gas on an industrial scale, and it is produced as a by-product of the petrochemical process used to refine crude oil. Its primary usage is as a feedstock for the creation of ethylene.The ethane moiety is known as an ethyl group, and it can be used to create related compounds by swapping out a hydrogen atom for another functional group.

Learn more about ethane Refer:brainly.com/question/19128101

#SPJ1

Part 1: How many oxygen atoms are in one mole of the formula Al2(CO3)3?
Part 2: How many moles of carbon are in 3.5 moles of calcium carbonate?

Answers

There are therefore a total of 14 atoms: 2 Al, 3 C, & 9 O. In other words, 3.5 moles of calcium carbonate will contain 3.5 moles if carbon because each mole of calcium carbonate has one mole of carbon.

How is carbon in CaCO3 calculated?

Hence, 40.078 divided by 100.086 everything multiplied by 100% represents the mass percentage for calcium in calcium carbonate. This yields a value of almost 40%. Carbon's mass percentage is calculated by taking 12.011 and dividing it by 100.086, then multiplying that result by 100% to get a number of roughly 12 percent.

How many oxygen atoms make up Al2O3?

The subscripts (2 and 3) in this formula indicate how so many atoms will make up one unit of the molecule. There are two aluminium atoms and three oxygen atoms, respectively, denoted by the numbers 2 and 3.

To know more about carbonate visit:
https://brainly.com/question/22530423

#SPJ1

A hypothetical molecule, X–Y, has a dipole moment of 1.55 D and a bond length of 151 pm. Calculate the percent ionic character of this molecule.

Answers

Answer:

99.4%

Explanation:

The percent ionic character of a molecule can be calculated using the equation:

% ionic character = (observed dipole moment / dipole moment for a purely ionic bond) × 100%

The dipole moment for a purely ionic bond is calculated using the formula:

μ = q × d

where μ is the dipole moment, q is the charge on each ion, and d is the distance between the ions. For X–Y, we can assume that X has a partial negative charge (-δ) and Y has a partial positive charge (+δ), so the dipole moment for a purely ionic bond would be:

μionic = q × d = δ × (charge on X + charge on Y) × bond length

Since we don't know the charges on X and Y, we can't calculate μionic exactly. However, we can estimate it by assuming that the charges are equal and opposite, so that δ = (1/2) × 1.55 D / 151 pm = 5.15 × 10^-30 C·m. Using this value, we get:

μionic ≈ 2 × 5.15 × 10^-30 C·m × 151 pm = 1.56 D

Now we can plug in the values for X–Y:

% ionic character = (1.55 D / 1.56 D) × 100% ≈ 99.4%

Therefore, X–Y has a very high percent ionic character, indicating that it is mostly an ionic compound rather than a covalent one.

Is 2 Zn (s) +2HCI(aq)+H2(g) a balanced chemical equation

Answers

This is the balanced equation :
Zn + 2HCl -> ZnCl2 + H2

I think you missed the ZnCl2 in the question.

After addition of 20.00 mL of 0.500 M standard KOH solution to 10.00 mL of formic acid (HCOOH, Ka = 1.8 × 10-4), the equivalence point is reached. What is the molarity of the formic acid?

What is the pH at the equivalence point, based on the question above? Please make a suggestion for an appropriate indicator.

Answers

Answer: 3.79

Explanation: The balanced chemical equation for the reaction between formic acid (HCOOH) and KOH is:

HCOOH + KOH → HCOOK + H2O

We can use the stoichiometry of this reaction to calculate the number of moles of formic acid that reacted with the KOH:

moles of KOH = (20.00 mL)(0.500 mol/L) = 0.01000 moles

moles of HCOOH = moles of KOH

Therefore, the initial number of moles of formic acid is:

moles of HCOOH = (10.00 mL)(x mol/L) = 0.01000 moles

where x is the molarity of formic acid.

Solving for x, we get:

x = 1.00 M

Therefore, the molarity of the formic acid is 1.00 M.

At the equivalence point, all of the formic acid has reacted with the KOH, and the solution contains only the salt formed by the reaction, potassium formate (HCOOK). The pH at the equivalence point can be calculated using the equation for the salt hydrolysis constant:

Kb = Kw/Ka

where Kb is the base dissociation constant of the conjugate base (formate ion), Kw is the ion product constant for water (1.0 × 10^-14 at 25°C), and Ka is the acid dissociation constant of the acid (formic acid). Rearranging this equation, we get:

Kb/Ka = [OH^-][HCOO^-]/[HCOOH]

At the equivalence point, the concentration of the formate ion (HCOO^-) is equal to the concentration of the KOH added (0.01000 moles / 30.00 mL = 0.3333 M). We can assume that the concentration of the hydroxide ion (OH^-) is also equal to 0.3333 M, since KOH is a strong base and will dissociate completely. Substituting these values into the equation above, we get:

Kb/Ka = (0.3333)^2 / [HCOOH]

Solving for [HCOOH], we get:

[HCOOH] = (0.3333)^2 / (1.8 × 10^-4) = 6181.5 M

Taking the negative logarithm of this concentration, we get the pH at the equivalence point:

pH = -log[HCOOH] = -log(6181.5) = 3.79

Therefore, the pH at the equivalence point is 3.79.

Regenerate response

. An IV solution contains 0.0175% of Drug Z, how much of this IV solution should we infuse, if the patient needs 100 mg of Drug Z?
If this solution is infusing at 50 ml/hr, how long will it take take to complete the infusion? Hint: 1mg = 0.001g or ml.

Answers

The infusion will be finished in 114.286 hours.

We need to infuse 100 mg of Drug Z. Since the IV solution contains 0.0175% of Drug Z, we can calculate the amount of IV solution needed for the infusion.

To do this, we need to use the following formula:

Amount of IV solution = [tex]\frac{(Amount of Drug Z * 100) }{ Concentration of Drug Z}[/tex]

Amount of IV solution = [tex]\frac{(100 mg * 100) }{0.0175 \% }[/tex]

Amount of IV solution = 5,714.286 ml

To calculate how long it will take to complete the infusion, we need to use the following formula:

Time to complete infusion =[tex]\frac{Amount of IV solution }{ Rate of infusion }[/tex]

Time to complete infusion =[tex]\frac{ 5,714.286 ml }{ 50 ml/hr }[/tex]

Time to complete infusion = 114.286 hr

Therefore, it will take 114.286 hours to complete the infusion.

learn more about infusion Refer:brainly.com/question/28790508

#SPJ1

Match these

Hypothesis
Independent Variable
Conclusion

Amount of water
if a plant receives more water it will grow more
100mL of water yielded the highest mass and height of plants

Answers

The conclusion is the result of the experiment, which supports the hypothesis by stating that 100mL of water yielded the highest mass and height of plants.

Hypothesis: If a plant receives more water, it will grow more.

Independent Variable: Amount of water.

Conclusion: 100mL of water yielded the highest mass and height of plants.

In this experiment, Hypothesis states the relationship between the independent variable and the dependent variable. The independent variable is the amount of water, and the dependent variable is the growth of the plants.

The conclusion is the result of the experiment, which supports the hypothesis by stating that 100mL of water yielded the highest mass and height of plants.

To know more about water yield, visit:

https://brainly.com/question/16359786

#SPJ1

Which of the following is not one of the variables that we will
use to define the physical condition of a gas?
Select one:
O a. The temperature of the gas.
O b. The composition of the gas.
O c. The amount of gas.
O d. The pressure of the gas.
O e. The volume of the gas.

Answers

Answer: C - The amount of gas

Explanation:

What is the IUPAC-name for this thing? ​

Answers

The IUPAC name for the compound given in the question is 2,3-dibromo-5-methylheptane

How do i determine the IUPAC name for the compound?

The IUPAC name for compound can be obtained by using the following steps:

Locate the longest continuous carbon chain. In this case it is carbon 7. Hence, the parent name is heptaneIdentify the substituent groups attached. In this case the substituent groups attached are: Br and CH₃ Give the substituents the best possible low count. In this case, there are two Br groups located at carbon 2 and 3 while the CH₃ is located at carbon 5Combine the above to obtain the IUPAC name for the compound.

Thus, the IUPAC name for the compound is: 2,3-dibromo-5-methylheptane

Learn more about IUPAC name:

https://brainly.com/question/23881815

#SPJ1

Which intermolecular force is characteristic of compounds with low molar mass that are liquids at room temperature and have relatively high boiling points

Answers

Answer:

Intermolecular Hydrogen Bonding

Explanation:

Once you are able to recognize compounds that can exhibit intermolecular hydrogen bonding, the relatively high boiling points they exhibit become understandable.

Answer:

Hydrogen Bonds

Explanation:

Hydrogen bond are a type chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.

Hydrogen is a colorless, odorless, flammable gas that combines chemically oxygen to form water: the light of the known elements. Symbol: H; atomic weight: 1.00797; atomic number: 1; density: 0.0899 g/l at 0°C and 760 mm pressure.

The forces that exist between molecules in a material are called intermolecular forces. Higher forces and greater difficulty in separating them result from tighter molecules.

Because of this, the forces between solids and liquids are stronger than those between gases, which leads us to the conclusion that the intermolecular force is caused by hydrogen bonds.

What's absolute zero?
A. The temperature at which all liquids freeze
B. The temperature at which water freezes
C. The coldest temperature ever recorded in nature on Earth
D. The temperature at which all molecular motion is stopped

Answers

Answer:

D. The temperature at which all molecular motion is stopped.Explanation:

Absolute zero is the theoretical temperature at which all matter would have zero thermal energy and all molecular motion would stop. This temperature is equal to -273.15 degrees Celsius or -459.67 degrees Fahrenheit. It is the lowest possible temperature in the universe and cannot be reached in practice, as it is impossible to completely eliminate all thermal energy from matter.

D
objects(with a temp of absolute zero)
molecular motion stop.
And it can’t be A because helium remains a liquid even past zero.
Even though water does freeze in absolute zero the best possible answer is D.

To goal of the hypothesis is to make an educated guess on what will happen when comparing the viscosity of the paint, honey, and dish soap from most to less viscous (all liquids). What do you think will happen and why. Please provide at least 2 paragraphs that paraphrased background information and research.

Answers

A liquid's viscosity is a measurement of its flow resistance. A liquid's resistance to flow increases with its viscosity. Due to its high density and high molecular weight, honey is regarded as an extremely viscous liquid. Honey has a high viscosity since it is mostly composed of glucose and fructose.

Conversely, paint and dish soap is less viscous because they are not as heavy or dense as honey. The mixture of pigments, solvents, and additives used to make paint gives it a variety of viscosities. Due to its low molecular weight and the presence of surfactants, dish soap often has a low-viscosity liquid.

On the basis of this data, it can be predicted that dish soap will have the lowest viscosity, followed by paint, and then honey. This is true because paint and dish soap have lower molecular weights and are lighter and less dense than honey, which is a viscous, dense liquid with a high molecular weight.

Temperature and pressure have an impact on a liquid's viscosity as well, so it is important to regulate these variables when testing this idea experimentally to assure accuracy. As different brands and formulas might differ in their composition and viscosity, it is also crucial to keep in mind that the type and quality of the paint and dish soap under test may have an impact on the findings of the viscosity test.

learn more about viscosity here

https://brainly.com/question/2568610

#SPJ1

A 50.0-mL sample of 0.200 M sodium hydroxide is titrated with 0.200 M nitric acid. Calculate the pH of the solution, after you add a total of 56.2 mL of 0.200 M HNO3

Answers

Answer:

In this case, the acid is 0.200 M HNO3 and the base is 0.200 M nitric acid. To calculate the pH of a 50.0-mL solution, add 58.3 mL of 0.200 M HNO3. The final pH of the solution will be 8.33. To calculate the pH of a 35.0 mL solution, add 36.7 mL of 0.198 M HNO

. Using appropriate illustrations, explain how structural factors affect the reaction outcome in
conjugate addition reactions.

Answers

Nucleophilic addition that targets the C=C double bond's electrophilic carbon is known as conjugate addition in,-unsaturated systems.

What kind of response is that?

Changes in temperature, gas production, precipitant formation, and color are common components of chemical reactions. Cooking, digesting, and combustion are a few straightforward examples of common reactions.

What exactly is a chemical reaction?

When atoms' chemical bonds are established or ruptured, chemical processes take place. The materials that initiate a chemical change are known as reactants, while the materials created as a result of the reaction as known as products.

To know more about Reaction visit:

https://brainly.com/question/30115256

#SPJ1

pls help
2.0 mol of Ca(OH)2 are mixed with 2.0 mol of HCl according to the following equation:
Ca(OH)2+2HCl=CaCl2+2H2O
a. Which chemical is in excess and which is limiting reactant?
b. What is the excess in grams?
c.Theoretically,how many moles of H20 will be produced?

Answers

Answer:

Explanation:

Limiting is HCl and excess is Ca(OH)2

excess is 296 grams Ca(OH)2

2 moles H2O will be formed

What must the atoms of products equal in a chemical equation?
O atoms in molecules
O electrons in atoms
O protons in atoms
O atoms of reactants
20pts

Answers

Answer:

D

Explanation:

How many moles of hydrogen (H ₂) would it take to make 600 grams of
ammonia (NH,)? (round to 3 significant figures)
N₂ (g) + 3H₂ (g) → 2NH₂ (g)

Answers

Hydrogen (H₂) would take 52.8 moles of H₂ to make 600 grams of NH₃.

What are the moles?

The molar mass of NH₃ is 17.03 g/mol (14.01 g/mol for nitrogen and 3.02 g/mol for hydrogen).

To determine the number of moles of H₂ required to make 600 grams of NH₃, we need to first find the number of moles of NH₃:

moles NH₃ = mass of NH₃ / molar mass of NH₃

moles NH₃ = 600 g / 17.03 g/mol

moles NH₃ = 35.2 mol

According to the balanced chemical equation, 3 moles of H₂ are required to produce 2 moles of NH₃.

So, the number of moles of H₂ required to make 35.2 moles of NH₃ would be:

moles H₂ = (3/2) x moles NH₃

moles H₂ = (3/2) x 35.2 mol

moles H₂ = 52.8 mol

Therefore, it would take 52.8 moles of H₂ to make 600 grams of NH₃.

To know more about moles, visit:

https://brainly.com/question/20486415

#SPJ1

Complete question is: Hydrogen (H₂) would take 52.8 moles of H₂ to make 600 grams of NH₃.

Does electronegativity increase or decrease when you go across a period on the
periodic table? Does it increase or decrease when you move down a group on the
periodic table?

Answers

Answer:

Explanation:

The element with the highest electronegativity is Flourine.  Its value is 4.  Thus it increases across a period.  

Its trend is it increases from left to right and up the groups.  So it will decrease going down the group.  

Answer ASAP Pleeeeease

Question
Which statement about fossil fuels is true?
Responses

They are an alternative energy source.

They are replaced in only a few years.


They are in high demand.

Answers

Answer:

They are in high demand.

Why is fossil fuel bad?

FOSSIL FUELS, USES, NEGATIVE IMPACTS AND SOLUTIONS;

In order to understand why it is bad to use Fossil Fuels, it is first necessary to understand what they are composed of. There are two main types of Fossil Fuels, namely, Coal and Oil.

The Formation of Coal : -

The multistage process that produces coal.

Many millennia ago, tree trunks fell and were quickly covered in water and mud. The bacteria, respiring anaerobically, due to the lack of Oxygen, produced peat. As is illustrated in stage 3, sediments built up over this peat layer and with time, heat and pressure, certain chemical changes turned the peat into Coal, as shown in stage 4. During the compression process, Sulphur compounds leached into the peat layer and eventually became a components of the final Coal.   In other cases,  Low sulfur coals derive their sulfur mainly from the sulfur components in the coal-forming plants. High-sulfur Coals, however, are now known to derive most of their sulfur from reduction of Sulphate ions to H2S in sea or brackish water in the coal beds by microbial processes.>

The Formation of Oil : -

The multistage process that produces oil.

Oil is essentially the remains of small fossilised sea creatures, that has been compressed and undergone pressures, eventually converted to oil. Oil is commonly accompanied by Natural Gas, which also builds up as a result of the extreme pressures. Sulphur is also found to make a percent of the oil.

The Usage and Combustion of Fossil Fuels : -

Coal and Oil are combusted to convert the chemical energy held to thermal energy, which in turn warms up water so that steam evolves. This team is drafted down a tunnel to turn a turbine, which drives a generator. This is how a power station works.

Upon observing the figure above, if you follow the path of the process, we see that coal enters at number 14 and enters the combuster at number 15. Here, it burns to heat the water at number 19, which is channeled down to drive the generator at number 5, via a series of tubes which converge into one, at number 10.

Coal or Oil or both can be used for this purpose. However the combustion of Coal and Oil releases Sulphur gas, which is dangerous for the Environment, as well as Carbon Dioxide and Carbon Monoxide, as the combustion happens in internal conditions, hence combustion may not occur fully, or in depleted Oxygen.

Negative Impacts of Sulphur Gas, Carbon Monoxide and Carbon Dioxide on the Atmosphere and the Environment : -

Sulphur Gas can dissolve in rainwater to produce a weak, aqueous Sulphuric Acid, which can fall in the form of rain. This can increase the pH of the soil or other water bodies, which can disturb marine ecosystems and even terrarial ones. It can fall on leafs and ‘wound’ them, i.e, destroy tissue due to its corrosive nature, making the plant life vulnerable to pathogens.Carbon Monoxide is a toxic gas that can cause suffocation and death. Although it is a natural component of the Atmosphere, in recent years, due to high industrial activity, its percent composition has increased significantly, which is a cause of concern towards the health of bird life. While it does not cause Greenhouse Effect directly, in the upper reaches of the Atmosphere it can combine with Oxygen to give Carbon Dioxide.…Which brings us to Carbon Dioxide. This is a greenhouse gas. On Earth, all organisms respire to produce Carbon Dioxide, so in the geological history of Earth, there has been equilibrium maintained between Oxygen and Carbon Dioxide in the Atmosphere. This, however, has been disturbed by Man’s industrial activities. This has been due to the high deforestation and lack of replacement of cut-down trees, around the planet. This disequilibrium is best depicted by the graph below.

Prevention and Reduction of These Effects : -

There are numerous methods by which these gases and their effects can be subdued. One notable example for the case of Sulphur Gas, is the “Flue Desulphurisation Method”, which effectively removes the Sulphur and separates it out, hence making it available for use in other Industrial Processes, but in safer compounds, etc.

Replanting of cut down trees can contribute towards of the re-achievement of the equilibrium that has been present in the Atmosphere before Industrial activities led to disequilibrium. Re-planting is a very simple process, but one that can go a long way. In effect, it is a two in one solution, as if we remove Carbon Monoxide emissions by reacting the gas with excess Oxygen, we get Carbon Dioxide. However, the equilibrium in the Biosphere means that is no longer a problem. Thus, replanting of trees is very important.

Draw and label a picture of an ozone (O3) molecule (Hint start with an O2 then attach the third O). What type of bond is used to attach the 3rd oxygen atom to the ozone molecule? Explain in words how this bond forms.

Answers

The ozone molecule is composed of three atoms of the oxygen.

What is the structure of the ozone molecule?

The ozone molecule (O3) is a triatomic molecule, meaning that it consists of three atoms. It is composed of three oxygen atoms, which are held together by covalent bonds.

The structure of the ozone molecule can be described as a bent or V-shaped molecule, with the three oxygen atoms arranged in a triangular fashion. The central oxygen atom is bonded to two other oxygen atoms, which are located above and below it, with bond angles of approximately 117 degrees.

Learn more about Ozone:https://brainly.com/question/14330630

#SPJ1

Instead of using an indicator, what other methods would you suggest using in the titration? And which method would provide the most accurate measurement?

Answers

A different approach is to use a pH meter to keep track of the solution's pH while the titrant is introduced. As the titrant is added, the solution's pH changes; the endpoint can be identified when this happens.

Because it gives a more accurate measurement of the endpoint, this method is more accurate than utilizing an indicator.

Titration

A conductivity meter can also be used to gauge the solution's conductivity as the titrant is applied. As the titrant is added, the solution's conductivity varies, and the endpoint can be identified when this change ends.

Although it is less popular, this approach is also more accurate than utilizing an indication.

Overall, the pH meter approach is probably going to give the most accurate reading because it can spot even the smallest pH changes and gives a more exact reading of the endpoint.

However, the particular experiment and the available resources will determine the method to use.

learn more about titration here

https://brainly.com/question/13307013

#SPJ1

If He(g) has an average kinetic energy of 7450 J/mol

under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions?

Answers

Under the same conditions, the root mean square speed of F2(g) molecules is approximately 400 m/s.

Step by step explanation

The root mean square (rms) speed of a gas molecule can be calculated using the following equation:

rms speed = sqrt((3RT)/M)

where R is the gas constant, T is the temperature in Kelvin, and M is the molar mass of the gas molecule.

To use this equation to find the rms speed of F2(g) molecules, we need to know the temperature and molar mass of F2(g).

Let's assume that F2(g) is at the same temperature as He(g), and that the molar mass of F2(g) is 38.0 g/mol (the molar mass of F2).

Using the given average kinetic energy of He(g) and the molar mass of He(g) (4.00 g/mol), we can solve for the temperature:

(3/2)kT = average kinetic energy per mole

where k is the Boltzmann constant

(3/2)(1.38 x 10^-23 J/K)(T) = 7450 J/mol

T = 7450 J/mol / ((3/2)(1.38 x 10^-23 J/K)) = 346 K

Now we can use the rms speed equation to find the rms speed of F2(g):

rms speed = sqrt((3RT)/M) = sqrt((3 x 8.31 J/mol K x 346 K)/(38.0 g/mol))

rms speed = 400 m/s (rounded to three significant figures)

Therefore, under the same conditions, the root mean square speed of F2(g) molecules is approximately 400 m/s.

Learn more on determine root mean square here

https://brainly.com/question/30959432

#SPJ1

In the reaction NH3(g) + O2(g) → NO(g) + H₂O(g) How many grams of H₂0 are generated when 1.54 moles of NH3 react?​

Answers

Answer: 2.31 mole H2O

Explanation: blance the equation first

4 NH3 +   5O2   --> 4 NO + 6 H20

1.54 moles NH3 x ( 6 mole H20/ 4 moles NH3) X (18 g H20/1mole H20)

2.31 mole H20

how much energy can metals hold?


do different types of metals hold different types of energy?

how to you measure how much energy something has?

Answers

The energy a metal can hold depends on the composition, crystal structure, and temperature of the metal.Different types of metals can indeed hold different amounts of energy due to their unique properties.How much energy something has can be measured using its specific heat capacity.

Energy in metals

The amount of energy that a metal can hold depends on various factors such as the composition, crystal structure, and temperature of the metal.

Different types of metals can indeed hold different amounts of energy due to their unique properties. For instance, metals like copper and aluminum have high electrical conductivity, making them suitable for use in electrical wires.

The amount of energy that something has is usually measured in joules (J) or electronvolts (eV). The energy content of a metal can be determined by measuring its specific heat capacity, which is the amount of heat energy required to raise the temperature of a given mass of the metal by one degree Celsius.

Another way to measure the energy content of a metal is by analyzing its atomic structure and the energy levels of its electrons.

More on metal's energy can be found here: https://brainly.com/question/29766850

#SPJ1

What is the volume on 13.44g of O2 gas at STP?

Answers

given grams x 1 mol O2 / molar mass of element x conversion / 1.00 mol O2

4. Find the specific heat of a material that lost 41 900 J of energy when 200.0 g of the material went
down 50.0C in temperature.

Answers

The material's specific heat is 8.38 J/g°C.

When a material has a mass, it has massic heat capacity (also known as massic heat capacity), which is the heat capacity of the mass divided by the specific heat capacity (symbol c) of the substance. Informally, it is the quantity of heat that has to be added to a substance's mass in order to raise its temperature by a given amount.The specific heat of a material is the amount of energy needed to raise the temperature of 1 gram of the material by 1°C.

In this problem, we can use the formula Q = mcΔT to find the specific heat.

Q = 41,900 J

m = 200.0 g

ΔT = 50.0°C

To find c, we can rewrite the equation as follows:

[tex]c = \frac{Q }{ (m\Delta T)}[/tex]

[tex]c = \frac{41,900 }{ (200.0 * 50.0)}[/tex]

c = 8.38 J/g°C

Therefore,The specific heat of the material is 8.38 J/g°C.

learn more about specific heat Refer:brainly.com/question/11297584

#SPJ1

Other Questions
what characteristic of giacomo puccini's operas is in stark contrast to those of richard wagner? the article by suzel reily points out several needs that musica sertaneja addresses for rural/migrant brazilians. identify and describe a few of these needs. : 2 points Which of the following is NOT an example of a human activity that directly threatens the biodiversity of species? o the picking of flowers o the overexploitation of resources o the introduction of invasive species o the destruction of habitats o the burning of fossils fuels Previous 1) |x-1| + |x-2| = -32) |x-1| + |x-2| = 3 determine the type of alcohol corresponding to each given description or name. an alcohol with two other carbons attached to the carbon with the hydroxyl group during the nitration of methyl benzoate, which acts as a nucleophile? group of answer choices methyl benzoate hno3 h2so4 benzene a mixture of hno3 and h2so4 The whole phase of early adulthood is also known as the novice phase.truefalse explain why a 0.01msolution of hydrochloric acid has a ph of 2 but a 0.01 msolution of acetic acid is 3.37 how many ml of 0.280 m barium nitrate are required as bariium sulfate all the sulfate ions from 25.0 ml of 0.350 m aluminum sulfate? an urn initially contains 5 white and 7 black balls. each time a ball is selected, its color is noted and it is replaced in the urn along with 2 other balls of the same color. compute the probability that help pls its too much what term refers to the practice of exchanging products and services for other products and services rather than for money? (q001) hydrothermal fluids ______group of answer choices a. consist of hot water, steam, and supercritical fluid. b. are chemically active solutions that can dissolve and transport ions. c. can change a rock's chemical composition in a process known as metasomatism.d. all of the possible answers are correct. fill in the blank. the labor supply curve facing a purely competitive employer is___, whereas the labor supply curve facing a monopsonist is____. listen to the audio clip. in the opening passage of the third movement from beethoven's piano sonata in c minor, in what key is the main theme? 1 2 3 or 4? Pick 2 answers correct answer gets brainiest Mary walked north from her home to Sheila's home, which is 4.0 kilometers away. Then she turned right and walked another 3.0 kilometers to the supermarket, which is 5.0 kilometers from her own home. She walked the total distance in 1.5 hours. What were her average speed and average velocity? A. Her average speed was about 4.6 km/hr, and her average velocity was about 3.3 km/hr. B. Her average speed was about 3.3 km/hr, and her average velocity was about 4.6 km/hr. C. Her average speed was about 3.3 km/hr, and her average velocity was 0 km/hr. D. Her average speed was 0 km/hr, and her average velocity was about 4.6 km/hr. explain the modulus of elasticity. which property of the material does it represent? give the approximate values of the modulus of elasticity of steel, concrete, and wood. 1. A 8.2 kg mass hanging from a spring scale is slowly lowered onto a vertical spring.A) What does the spring scale read just before the mass touches the lower spring?B) The scale reads 14 N when the lower spring has been compressed by 2.4 cm . What is the value of the spring constant for the lower spring?C) At what compression length will the scale read zero? what is a key characteristic of the patronage system that sets it apart from the civil service system in police department hiring?