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andreyandreev [35.5K]
2 years ago
15

Please help!!!!!!

Chemistry
1 answer:
Valentin [98]2 years ago
4 0

Answer:

E.

Explanation:

Look at change in concentration over time...is it increasing or decreasing? It is increasing right as you can see because it starts at 0 then increases and plataeus. What increases in a reaction, reactant or product? Products increase right cuz your reactants react with each other to make prodcuts.

At start of reaction you have no products (zero) thus this graph starts at 0. At end you have alot of product thus over time the concentration of product increases.

ABC are reactants their concentration should decrease over time

DE are products, they should increase as reaction goes on.

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erik [133]

If you’re talking about noble gases, the answer would be A. Since noble gases already have 8 electrons, they don’t tend to form chemical bonds. And elements need just 8 electrons on there shells to be stable.

6 0
3 years ago
Which of the following will increase solubility the rate of the dissolving process of a gaseous solute in solvent? (mark all tha
Pepsi [2]

Answer: The increase in solubility or the rate of dissolving process of a gaseous solute in a liquid solvent is due to following:

  • Increasing agitation
  • Increasing temperature
  • Increasing solute's partial pressure over the solvent
  • Increasing solute's surface area

Explanation:

When agitation is increased then there will occur an increase in kinetic energy of the molecules of a substance. As a result, more number of collisions will take place due to which more amount of solute will dissolve into the solvent.

Similarly, increasing the temperature will further increase the kinetic energy of molecules. Hence, this will lead to more solubility of gaseous solute into the liquid solvent.

As solubility of a gas is directly proportional to the pressure of the gas above surface of the solution. So, an increase in solute's partial pressure over solvent will also lead to an increase in solubility of gaseous solute into liquid solvent.

When surface area of solute is increased then there will be more solute particles available for reaction. Hence, more collisions will take place. As a result, rate of reaction is more due to which there will be an increase in solubility.

Thus, we can conclude that the increase in solubility or the rate of dissolving process of a gaseous solute in a liquid solvent is due to following:

  • Increasing agitation
  • Increasing temperature
  • Increasing solute's partial pressure over the solvent
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7 0
3 years ago
CAN SOMEONE PLEASE HELP ME?!
Len [333]

Answer:

no

Explanation:

because

5 0
3 years ago
The water cycle would not be possible without ______ and ________.
ipn [44]

Answer:

I think it's 4

Explanation:

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4 0
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1. What is the oxidation number of sulphur in Na2S2O8<br> A-9<br> B. -7<br> C. +7<br> D. +14
butalik [34]

Answer:

<h2>Hereis the correct answer </h2>

(A.-9)

Explanation:

<h3>STUDY CORRECTION. </h3>
6 0
3 years ago
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