Where would you find ocean water with the most solar radiation?
Near the Equator
Near the South Pole
Near the Arctic Circle​

Answer:

The Fox is at the top of the food chain; so, the other animals could increase in population and the fox could return

Moderate drought is an illustration of a shift that the prairie ecosystem was able to adapt to and return to balance. The amount of water that is accessible to both plants and animals reduces during a drought, which affects both plant development and the number of herbivores.

A forest ecosystem can recover from fire because diverse creatures play distinct functions in various ways and locations. Many species' dispersed habitats enable them to resprout or grow from seeds that are ignited by fire, protecting populations from being entirely wiped off.

Ecosystems are living things that are susceptible to a wide range of abiotic and biotic perturbations brought on by the forces of nature and/or human activities.

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Answer:

0.7802 M

Explanation:

Data:

Wanted:

Equation:

M = [tex]\frac{mol}{L}[/tex]

Solution:

1. Convert mL to L:

2. Convert g to mol:

3. Molarity Equation:

Answer:

Explanation:

Mole weight of NaNO3 ====> ~~ 85 gm

6.631 / 85   = # moles in .1 liter

6.631/85  / (.1)  = .78 M

Answer:

Explanation:

The table below indicates the “Molecular Geometry” of the central atom depending on whether the groups of electrons around it are covalent bonds to other atoms or simply lone pairs of electrons.

Answer:

C

Explanation:

a and b represent ice and melting respectively

Answer:

John Dalton

Explanation:

John Dalton (1766-1844) is the scientist credited for proposing the atomic theory. This theory explains several concepts that are relevant in the observable world.

When a catalyst is used in a reaction then it alter the rate of the reaction.

Catalyst are those species which are added on the reaction to alter the rate of the reaction without being involved in the reaction.

Catalyst are of two types:

Hence, catalyst is used to change the rate of the reaction.

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"LEO the lion goes GER" means based upon the oxidation and reduction reactions.

Oxidation reactions are those reactions in which lossing of electrons are taking place from the substrate molecule and in reduction process gaining of electrons is done by substrate molecules.

The phrase "LEO the lion goes GER" is used in the context of oxidation and reduction reactions. Meaning of the terms:
LEO → Lose electrons = oxidation

GER → Gain electrons = reduction

Hence the given line is based on oxidation and reduction.

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Answer:

Leo: lose electron(s) = oxidation. Ger: gain electron(s) = reduction.

Explanation:

Answer:

You would need 85.5 g

Explanation:

Molarity=Moles of soluteVolume of solution (in litres)0.25 M=n1 Ln = 0.25 molSo, we need 0.25 mol of sucrose to make 0.25 M solution.Molar mass of sucrose (C12H22O11)=342 g/mol Mass of 0.25 mol sucrose is0.25mol×342gmol=85.5 g

Explanation:

Hope This Helps

Have A Great Day

~Zero~

People who are younger are usually at greater risk of alcohol related harm at a younger age. the younger you are when you drink alcohol, it can lead to you developing damage in your brain as well as problems later in life. drinking at a young age can lead to things like an inability to learn, problems with verbal skills, being dependent on alcohol, and depression.  

Answer:

Prosthetic Devices

Explanation:

I’m a genius and it’s the answer :D

Answer:

About 8.94.

Explanation:

Because we are given a 500. mL volumetric flask, the solution will have a volume of 500. mL.

Find the number of moles of zinc fluoride needed. Recall that molarity is simply moles per liter of solution:

[tex]\displaystyle 500.\text{ mL} \cdot \frac{0.173\text{ mol ZnF$_2$}}{1\text{ L}} \cdot \frac{1\text{ L}}{1000\text{ mL}} = 0.0865\text{ mol ZnF$_2$}[/tex]

Convert this to grams. The molecular weight of zinc fluoride is 103.38 g/mol:
[tex]\displaystyle 0.0865\text{ mol ZnF$_2$} \cdot \frac{103.38\text{ g ZnF$_2$}}{1\text{ mol ZnF$_2$}} = 8.94\text{ g ZnF$_2$}[/tex]

In conclusion, about 8.94 grams of solid zinc fluoride should be added.

Answer:

Silver nitrate (AgNO3) reacts with copper (Cu) to form copper(II) nitrate (Cu(NO3)2) and silver (Ag). This can be called a redox reaction because silver nitrate is reduced and copper is oxidized

(1) The number of moles of oxygen gas is 0.123 mole.

(2) The volume occupied by the nitrogen gas is 50.75 Liters.

(3) The pressure exerted by the CO2 gas is 28.7 atm

(4) The temperature of the Cl2 gas is -118.37⁰C

The number of moles of oxygen occupied at the given condition is calculated as follows;

PV = nRT

n = PV/RT

where;

n = (2.5 x 1.2) / (0.08205 x 298)

n = 0.123 mol

PV = nRT

V = nRT/P

where;

V = (2 x 62.36 x 293) / (720)

V = 50.75 Liters

PV = nRT

P = nRT/V

where;

Molar mass of CO2 = 44

n = 25/44 = 0.568

P = (0.568 x 0.08205 x 308)/(0.5)

P = 28.7 atm

T = PV/nR

molar mass of Cl2 = 71 g

n = 5/71 = 0.07

T = (900 x 0.75)/(0.07 x 62.36)

T = 154.63 K

T = 154.63 - 273 = -118.37⁰C

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Answer:

Magnetism is the force exerted by magnets when they attract or repel each other.

For Evidence of terrestrial magnetism

When a magnetic body is buried inside the earth in a North-South direction, it gets magnetized due to the effect of terrestrial magnetism.  A freely suspended magnet faces a North-South direction

Explanation:

The reason why magnetism acts this way is caused by the motion of electric charges. Every substance is made of tiny units called atoms. Each atom contains electrons, particles that carry electric charges.

I really hope this helps you.

Answer:

please don't trust those scam links

Answer: Potassium iodide

Explanation:

We can calculate the change in free energy for a reaction under nonstandard conditions by using the ΔG = ΔH - TΔS equation.

Change in gibbs free energy of any reaction will be calculated by uisng the below equation as:

ΔG = ΔH - TΔS, where

ΔH = change in enthalpy

T = temperature of reaction

ΔS = chnage in entropy

By putting all given values we can calculate the gibbs free energy of the reaction, and negative sign of energy shows the spontaneity of the reaction.

Hence by using the enthalpy, entropy and temperature we can calculate the free energy change.

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The limiting reactant refers to the reactant that is in small amount. The extent of the reaction depends on the amount of the limiting reactant.

The term limiting reactant refers to the reactant that is in small amount, We shall now solve the questions individually.

1) The reaction equation is;

CaO + H2O → Ca(OH)2

Number of moles of CaO = 10 g/56 g/mol = 0.18 moles

Number of moles of H2O = 10 g/18 g/mol = 0.56

Since the reaction is 1:1, CaO is the limiting reactant

Mass of calcium hydroxide = 0.18 moles * 74 g/mol = 13.32 g

2) The reaction equation is;

Mg + Br2 → MgBr2

Number of moles of Mg = 1 g/24 g/mol = 0.042 moles

Number of moles of Br2= 5 g/160 g/mol = 0.031 moles

Since the reaction is 1:1, Br2 is the limiting reactant

Mass of MgBr2 =  0.031 moles * 184 g/mol = 5.7 g

3) The reaction equation is;

CuO + H2 → Cu + H2O

Number of moles of CuO= 2.00 g/80 g/mol = 0.025 moles

Number of moles of H2 = 1.00g/2 g/mol = 0.5 moles

Since the reaction is 1:1, CuO is the limiting reactant

Mass of Cu = 0.025 moles * 63.5 g/mol = 1.59 g

4) The reaction equation is;

2Na + F2 → 2NaF

Number of moles of Na = 2.30 g/23 g/mol = 0.10 moles

Number of moles of F2 =  2.85 g/38 g/mol = 0.075 moles

If 2 moles of Na react with 1 mole of F2

x moles of  Na reacts with 0.075 moles of F2

x = 0.15

Hence Na is the limiting reactant

Mass of NaF = 0.10 moles * 42 g/mol = 4.2 g

5) The equation of the reaction is;

Fe2O3 + 2Al → 2Fe + Al2O3

Number of moles of Fe2O3  =  8.00 g/160 g/mol = 0.05 moles

Number of moles of Al = 2.16 g/27 g/mol = 0.08 moles

If 1 mole of Fe2O3  reacts with 2 mole of Al

x moles of Fe2O3 reacts with 0.08 moles of Al

x = 0.04 moles

Hence, Fe2O3 is the limiting reactant

1 mole of Fe2O3  yileds 2 moles of Fe

0.05 moles yileds 0.05 moles  * 2 moles/1 mole = 0.1 moles

Mass of Fe = 0.1 moles * 56 g/mol = 5.6 g

6) The equation of the reaction is;

2Al + 3Cl2 → 2AlCl3

Number of moles of Al = 13.5 g/27 g/mol = 0.5 moles

Num ber of moles of Cl2 =  42.6 g /71 g/mol = 0.6 moles

If 2 moles of Al reacts with 3 moles of Cl2

x moles of Al reacts with 0.6 moles of Cl2

x = 0.4 moles

Al is the limiting reactant

Mass of AlCl3 = 0.4 moles * 133 g/mol = 53.2 g

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The percentage by mass of water in Na2CO3.10H2O from the calculation is  62.9%

The term percentage by mass refers to the amount of a particular moiety by mass in a molecule.

In this case, we know that the molar mass of Na2CO3.10H2O is 286 g/mol the molar mass of the 10 moles of water is 180 g/mol hence the percentage by mass of water in the compound is; 180 g/mol /286 g/mol  * 100/1 = 62.9%

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Answer:

63.0

Explanation:

got it wrong so it told me the answer

The new volume of the hot air balloon is 801.9L.

As the temperature of the hot air balloon on the table is increased, the its volume also increases.

Charle's law states that the volume of an ideal gas is directly proportional to the absolute temperature provided pressure is kept at constant.

It is expressed as;

V₁/T₁ = V₂/T₂

Given the data in the question;

To calculate the new volume we subtsitute our given values into the expression above.

V₁T₂ = V₂T₁

V₂ = V₁T₂ / T₁

V₂ = ( 748L × 321.45K ) / 299.85K

V₂ = 240444.6LK / 299.85K

V₂ = 801.9L

The new volume of the hot air balloon is 801.9L.

As the temperature of the hot air balloon on the table is increased, the its volume also increases.

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Answer: 54 g

Explanation:

Answer:

C!

Explanation: Makes since brainlist please!

Answer:

answer is in the explanation

Explanation:

Answer. Explanation: ->So, molecular formula = (CH)n = (CH)6 =C6H6; in this case we substituted the calculated value of n. ->Therefore, the molecular formula of the compound having the molecular weight 78 g/mol is (D) - C6H6.

From the calculations in the question, we have that the dissociation constant is 2.5 * 10^-10.

The term Ka has to do with the acid dissociation constant and it is obtained from; Ka = [H+] [OBr–]/[HOBr]

Now, we are told that the hydrogen ion concentration at equilibrium is 9. 1 × 10–6 and the HOBr concentration is 0.33 M, it the follows that;

Ka = (9. 1 × 10–6)^2/ 0.33

Ka = 2.5 * 10^-10

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Explanation:

Intermolecular forces: These are the attractive or repulsive forces acting between two molecule in interaction.

The attractive forces between molecules are of several types based on the interaction between molecules also known as Vander wall forces.

Bonding forces: They are also attractive forces acting between two constituents (atom, ion, radicals etc) and stabilizes the constituent particles by loss of energy. The bond between any two species are formed by the overlapping of corresponding orbitals.

Whenever positive overlapping occurs between species, the formation of Bonding molecular orbital (BMO) takes place. and when electron enters into BMO it loses energy. Alternative form of explaining the concept is Individual electron possess more energy than the electrons that paired or Bonded.

Now coming to your question,

All the intermolecular forces are formed by weak attractive forces (vanderwall forces) which includes Ion-dipole forces, Ion-induced-dipole forces, Dipole-dipole forces, Dipole-induced-dipole forces, Hydrogen bonds & London forces.

All these forces are temporary and weak, and formed by the poles generated on molecule due to shift of electron, for e.g. Any molecule having more electron at one pole and less electron at another pole then that molecule start acting as charged body when that charged body comes in contact with opposite pole of another charged body the interaction takes place, since the electrons are dynamic and unsteady it's not possible that the pole will keep acting same as before. hence the intermolecular forces are generally weaker.

On the other side the Bonding electrons, are formed by the various strong overlapping such as between Head to Head overlapping leads to formation of Sigma bond which is the strongest bond takes alot of Energy to break & Lateral overlapping lead to formation of pi bond which is also stronger bond than that of Hydrogen bond.

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Answer:

0.215 L HCl

Explanation:

Using the relationship (M1 x V1 = M2 x V2) between Molarity (M) and Volume (v or L), we can find the volume of the 2nd volume amount.

First we rearrange our relationship equation to: [tex]V_2 = \frac{M_1 * V_1 }{M_2}[/tex]

Now, plug in the values. [tex]V_2 = \frac{0.2 * 2.8}{2.6}[/tex]

Calculating these values, we end up with the answer:

0.215 L HCl

You can use lemon or lime juice as a 1 to 1 replacement for vinegar in egg dye recipes.

For example, if the recipe calls for 1 teaspoon (4.9 mL) of vinegar, use 1 teaspoon (4.9 mL) of lemon or lime juice.

You can use fresh or bottled lemon or lime juice. Both will work the same way.

Hope this helps :))

Carbon dioxide (CO2) is the hardest human-made greenhouse gas to control because it is released with cellular respiration.

Greenhouse gases are gases that trap solar radiation and increase the temperature on the Earth's surface.

The easier human-made greenhouse gases to control are chlorofluorocarbons because they can be substituted in the industry by other materials.

The destruction of the wetlands would impact the bay’s water quality and ecosystem because these areas contain pure water required for the whole ecosystem.

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Answer:

Have to give me more a little more information

Explanation:

Answer:

answer in picture

Explanation:

The entropy of the process in which the  individual ions first leave the crystal lattice is positive while the entropy of the process whereby the each ion becomes surrounded by a cluster of polar water molecules is negative.

The term entropy has to do with the degree of disorder in a system. The higher the entropy of the system, the more the disorderliness of the system.

Now, the entropy of the process in which the  individual ions first leave the crystal lattice is positive while the entropy of the process whereby the each ion becomes surrounded by a cluster of polar water molecules is negative.

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