The correct name for the covalent compound that contains five oxygen atoms and two phosphorus atoms is Diphosphorus pentoxide.
The covalent compound has a combination of phosphorus and oxygen.
The oxygen atoms is 5 and the phosphorus atoms is 2.
Therefore, the combination can be represented chemically as follows:
P₂O₅The standard name for this compound is Diphosphorus pentoxide.
The prefix di simply means phosphorus is 2 atoms.
The pent indicates 5 atoms of oxygen.
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Identify the general features of an amino acid. Which part is responsible for the unique properties of each amino acid
Answer:
Every amino acid also has another atom or group of atoms bonded to the central atom known as the R group. This R group, or side chain, gives each amino acid proteins specific characteristics, including size, polarity, and pH.
Explanation:
The R group is another atom or group of atoms that is attached to the core atom in every amino acid. This R group, or side chain, provides each amino acid protein with unique properties such as size, polarity, and pH.
Amino acids are chemical molecules that are used to construct proteins. Proteins are vital macromolecules in living organisms, serving a variety of functions including enzymatic catalysis, structural support, transportation, immunological response, and others. A polypeptide chain is formed by linking amino acids in a precise sequence, which subsequently folds into a three-dimensional structure to make a functioning protein.
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balanced equation for the reaction between gallium and nitric acid. any spammers will be reported only correct answers
Answer:
Ga + 6HNO3 → Ga(NO3)3 + 3NO2 + 3H2O
Explanation:
Gallium has an ionic charge of 3+, so three nitrate ions are needed to balance it out.
What does percent composition tell you about a molecule?
O A. It tells you how the elements are arranged in the molecule.
B. It tells you the ratio of elements in the molecular formula.
C. It gives you the total number of atoms in the molecule.
D. It tells you how much of a molecule is made up of each element.
SUBMIT
Answer:
B
Explanation:
percentage composition helps to determine the percentage of each element in a compound
Which of the following has the greatest number of groups or branches?
A hexane
B. 3-ethylhexane
C. 2,3-dimethylpentane
D. 2-methylheptane
*correct answers only*
Answer:
C
Explanation:
Option C should be the correct one, since you have two methyl groups in the alkane (parent) chain.
Which diagram best illustrates the difference between distance and
displacement?
Answer:
It is the one that has start and finish and a compass on it...I am sorry I can share images for some reason. And underneath the compass, it says 1.0 Mile. It also has a compass in the bottom right-hand corner.
Explanation:
I just took the quiz and got it correct!
Hypothesis of 6. You decide to clean your bedroom. You notice that your floor is covered with clothes.
You try to get rid of the clothes by throwing them into the air. You throw clothes
from 1/3 of the room into the closet and a second 1/3 of the room straight up in
the air. In the last 1/3 of the room, you leave the clothes on the floor. After 30
minutes of “cleaning,” the floor of the room is now visible.
IV: Where clothes are thrown
DV: visible floor
Hypothesis????
Answer: So you could for example say, “IF I through my clothes into the closet. THEN the floor will be visible” I capatlized if and then because you need them in a hypothesis.
Explanation:
Indicate the general type of reaction represented in each the reactions: The starting material is a 6 membered ring with an internal alkene between carbons 1 and 2. The product is a six membered ring with a bond to X on carbon 1 and a bond to Y on carbon 2. What type of reaction is Reaction A
The reaction as described is an addition reaction in which a saturated product is obtained.
The information we have from the question is that; the starting material is a 6 membered ring with an internal alkene between carbons 1 and 2. The product is a six membered ring with a bond to X on carbon 1 and a bond to Y on carbon 2.
We know that an addition reaction is one in which a molecule is added across the double bond to yield a saturated product. The reaction A described has to do with he addition of a molecule XY to a six member alkene to obtain the saturated product as described.
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One mole of what substance contains a total of 6.02x10^23
Answer:
oxygen
Explanation:
One mole of atoms of oxygen has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.
Identify whether the following changes would generally increase or decrease the reaction rate. (3 points)
• Increasing the concentrations of reactants (0.5 point):
• Increasing the temperature (0.5 point):
• Increasing the pressure (0.5 point):
• Shining light on the reaction (0.5 point):
• Increasing the activation energy (0.5 point):
Answer: (1) increase(2) increase (3) increase (4) increases(5) decrease
Explanation:so basically anything you do will make the reaction go faster except like increasing the activation energy for example
The correct answers are as follows
Increase Increase Increase Increase DecreaseWhat is Reaction rate?It is the measure of the change in concentration of the reactants or the change in concentration of the products per unit time.The speed of a chemical reaction is the change in concentration of a substance divided by the time interval during which this change is observed.
What will happen to reaction rate if we do the following?The reaction rate will increase on Increasing the concentrations of reactants.The reaction rate will increase on Increasing the temperature. The reaction rate will increase on Increasing the pressure.The reaction rate will increase on Shining light on the reaction.The reaction rate will decrease on Increasing the activation energy .
Hence Except Activation energy the reaction rate will increase
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Explain how signals are processed and stored by the brain.
Answer:
this is the answer
Explanation:
Neurons communicate with each other by sending chemical and electrical signals. Each neuron is connected with other neurons across tiny junctions called “synapses”. Impulses rush along tiny fibres, like electrical wires, from one neuron to the next. Electrical impulses travel through neurons.
How are mass and weight alike?
A. Both change with gravitational force.
B. Both are measured in pounds.
C. Both depend on how much matter an object has.
D. Both are the same everywhere in the universe.
Answer:
C. Both depend on how much matter an object has.
Explanation:
weight is the gravitational force acting on an object, so it does vary depending on gravity.
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What is epoxy?
………………..
Answer:
Epoxy is the family of basic components or cured end products of epoxy resins.
Balance the equation
Ca(s) + H3PO4(aq) ---->Ca3(PO4)2(s) + H2(g)
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ssignment (1) Nitrobenzene has a dipole moment of 4.2 x 10-9 esu cm while phenol has a value of only 1.7 x 10-8 esu cm. However, nitrobenzene is soluble only to the extent of 0.0155mole/kg in water while phenol is soluble to the extent of 0.95mole/kgat 20C. explain this phenomenon.
Phenol can form hydrogen bonds with water since it contains O-H group but nitrobenzene can not form hydrogen bonds with water.
Polar molecules tend to be soluble in water. The greater the dipole moment, the greater the polarity of the compound. We can see that Nitrobenzene has a dipole moment of 4.2 x 10-9 esu cm while phenol has a dipole moment of 1.7 x 10-8 esu cm.
Now, It is confusing to observe that the solubility of Nitrobenzene in water is far less than that of phenol despite its higher dipole moment. The reason for this observation is that, phenol can form hydrogen bonds with water since it contains O-H group but nitrobenzene can not form hydrogen bonds with water.
Therefore, phenol is more soluble in pure water as a solvent compared to nitorbenzene.
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A mining company is looking for ways to save money on the process they use to discover new mineral resources while also reducing the impact that the mining process has on the environment.
Which improved technology would
best achieve this goal?
O fracking
O drilling technology
O extraction technology
O geological Surveying
Answer:
extraction technology.....
Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer at 28.0°C. The atmospheric pressure is 786 mmHg. Determine the pressure (in atm) of the hydrogen gas produced.
The pressure of hydrogen gas produced is 0.997 atm
Using the standard table of temperature and water vapour pressure;
At 28.0°C, the water vapour pressure = 28.3 mmHgThe pressure of hydrogen gas (H₂) collected over water is:= [tex]\mathbf{P_{moist\ gas } = 786 mmHg}[/tex]Recall that:
[tex]\mathbf{P_{moist \ gas} = P_{dry \ gas} + P_{water vapor}}[/tex]
where;
the dry gas = hydrogen gas[tex]\mathbf{ P_{dry \ gas} = P_{moist \ gas} - P_{water vapor}}[/tex]
[tex]\mathbf{ P_{dry \ gas} = (786- 28.3) mmHg}}[/tex]
[tex]\mathbf{ P_{dry \ gas} = (757.7) mmHg}}[/tex]
We know that 1 atmospheric pressure = 760 mmHg
∴
757.7 mmHg will be:
[tex]\mathbf{=\dfrac{757.7 \ mmHg \times 1 \ atm}{760 \ mmHg}}[/tex]
= 0.997 atm
Therefore, we can conclude that the pressure of hydrogen gas produced is 0.997 atm
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what is another extraction that uses gravity filtration and describe it
Answer -ˋˏ ༻༺ ˎˊ-
A common use for gravity filtration is for separating anhydrous magnesium sulfate (MgSO4) from an organic solution that it has dried (Figure 1.68b). Anhydrous magnesium sulfate is powdery, and with swirling in an organic solvent creates a fine dispersal of particles like a snow globe.
Suppose you are performing a precipitation titration to study the K sp of zinc(II) iodate, Z n ( I O 3 ) 2 . The literature value of K sp is 3.9 × 10 − 6 . If you use 0.200 M K I O 3 as the titrant, what concentration of I O 3 − (in M) do you predict will be needed to start precipitation in a 0.229 M solution of Z n ( N O 3 ) 2 ?
The predicted concentration of IO₃⁻ needed to start the precipitation titration is 1.703 × 10⁻⁷ M
The dissociation of zinc (II) iodate can be expressed as:
[tex]\mathbf{Zn (IO_3)_2 \to Zn^{2+} + 2IO_3^-}[/tex]
Given that the solubility product constant Ksp value = 3.9 × 10⁻⁶
For the above dissociation,
[tex]\mathbf{Ksp = [Zn^{2+ }] [IO_3^-]^2}[/tex]
Since [tex]\mathbf{ [Zn^{2+ }] = [Zn(NO_3)_2] = 0.229 \ M}[/tex]
∴
[tex]\mathbf{3.9\times 10^{-8} =(0.229) \times [IO_3^-]^2}[/tex]
[tex]\mathbf{ [IO_3^-]^2 = \dfrac{3.9\times 10^{-8} }{(0.229)}}[/tex]
[tex]\mathbf{ [IO_3^-]^2 = 1.703 \times 10^{-7} \ M}[/tex]
Therefore, we can conclude that the initial predicted concentration of IO₃⁻ needed to start the precipitation titration is 1.703 × 10⁻⁷ M
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Respiration describes the process that living cells use to release energy by combining sugar and oxygen. The primary chemical changes that happen during respiration are shown in the equation below.
C6H12O6 + 6O2 ---> 6CO2 + 6H2O + energy
Which statement correctly compares the reactants and products of the equation?
A.
The mass of the reactants is less than the mass of the products.
B.
The mass of the reactants is greater than the mass of the products.
C.
The mass of the reactants is the same as the mass of the products.
D.
The number of reactant molecules is greater than the number of products.
Answer:
C the mass of the reactant molecules is the same as the mass of the product
OIIIIIIIIIIIIIIII BAAAAKKKKAA
Answer:
what is meaning of this.
Answer:
On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States.
Two students are identifying a sample of tap water.
Student A says that tap water is a mixture, while
Student B says that it is a compound. Which student
is correct? Justify your answer.
Tap water is a mixture not compound due to presence of many substance.
Tap water is an example of mixture not compound because in tap water, water is not available in pure form, it has many substances mix with water and those substances make no bond with water.
It has dissolved compounds like calcium carbonate, magnesium and fluoride. Different elements or compounds are physically combined rather than chemically linked together so we can conclude that student A is correct that tap water is a mixture.
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You have 2.567 grams of water. What is the volume of water(use correct units)
Answer:
2.567 mL
Explanation:
4. A student performs four trials of an investigation to determine the boiling point of water. How should the student handle the results?
A. The student should take the average of the minimum and maximum value of the results.
B. The student should use the value that is closest to 100ºC.
C. The student should use the maximum value of the results.
D. The student should take the average of the results from all four trials.
Answer:
i think its D
Explanation:
In order to get maximum accuracy, student should take average of results from all four trials.
What is accuracy?Accuracy in terms of chemistry can be defined as to how close a measurement is to the true value.There are three types of accuracy:
1) Point accuracy-It means accuracy is present at that point of scale only.It does not give any information about the accuracy of the instrument.
2)Percentage of true value--It is the accuracy which is determined by identifying accuracy of the instrument and comparing it with the measured true value.
3)Percentage of scale range- It is the accuracy which determines accuracy of the measurement.
Accuracy in case of instruments is neglected up to ±0.5 percent.Accuracy of measurements can be increased by taking multiple measurements and taking into account human errors.
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How are elements in the same family in the periodic table alike?
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The Correct choice is ~ C
They have the same number of electron shells~
Explanation:
option C is correct.....
Which unit is 10,000 times LARGER than the MICRO unit?
Answer:
Micro means 0.000001. So 10,000 times larger than that is the Centi unit, which is 0.01
Hey! Please help. Will mark brainlist if u are right, ty
Answer:
40 hopefully right
Explanation:
2. Why was sud production used to assess the effectiveness of the synthesized soaps?
Answer:
Soap is effective as a cleaning agent because it is amphiphilic; it is partly polar and partly nonpolar. ... The sodium ion of the soap is replaced by one of these new ions, and the resulting salt is no longer soluble.
Soap seems to be amphiphilic, or partially polar as well as partially nonpolar, it works well as a cleaning agent. Several of these newfound ions take the place of such soap's sodium ion, rendering the salt insoluble.
What is Soap?Long chain fatty acids are salts of sodium and potassium that have a cleaning effect in the water. referred as soap They should be used as cleaning agents to get rid of oil and filth from garments and skin. As an illustration, stearic, oleic, as well as palmitic acids are used to create sodium stearate, sodium oleate, respectively sodium palmitate.
What is cleaning agent?Cleaning agents, often known as hard-surface cleansers, are things that are used to get rid of debris from surfaces, such as dust, stains, foul odors, and clutter. Health, aesthetics, odor removal, and stopping the transfer of dirt and toxins to oneself or others will be among the goals of cleaning products.
Because soap can serve as an emulsifying agent, it would be a superior cleanser. An emulsifier has the ability to mix two immiscible liquids together.
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SUPPER EASY WILL GIVE BRAINLIEST NEED HELP ASAP
7. Which
pocess is an example of a chemical
change?
A. Salt mixes with water and
dissolves.
B. An aspirin tablet is crushed into a fine
powder.
C. Water droplets form on the outside of a
cold drink glass.
D. An antacid tablet is added to water and
bubbles are produced.
Answer:
Your answer will be (D).
Hope this helps!
Answer:
D
Explanation:
You can tell when a chemical change occurs if a gas is produced (bubbles), an odor is produced, if there is a color change, or if the surroundings get hotter or colder.
if 38 gr of water are produced in reaction, how many mole are CO2 are produced.