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fredd [130]
2 years ago
6

CrO42-+2H+=Cr2O7^2-+H2O

Chemistry
1 answer:
vaieri [72.5K]2 years ago
8 0

Addition of NaOH will cause the equilibrium position to move to the left because of the removal of the hydrogen ions.

<h3>Equilibrium position</h3>

When changes in temperature, pressure or concentration is imposed on a reaction system in equilibrium, the system will readjust itself in order to annul the change.

This change occur when the equilibrium position is moved to the left or right. For the reaction, CrO4^2-+ 2H^+ ⇄ Cr2O7^2- + H2O, addition of NaOH will cause the equilibrium position to move to the left because of the removal of the hydrogen ions.

Learn more about equilibrium position: brainly.com/question/12546111

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Luba_88 [7]

D. It is the heat required to change a gram of substance from a liquid to a gas.

Explanation:

The heat of vaporization is the heat required to change a gram of substance from a liquid to a gas.

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7 0
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lutik1710 [3]

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Be sure to answer all parts. How many moles of O are needed to combine with 0.276 mole of C to form CO
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Answer:

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Explanation:

Given data:

Moles of oxygen needed = ?

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2C  + O₂      →        2CO

Now we will compare the moles of carbon with oxygen.

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Thus, 0.138 moles of oxygen are needed to combine with 0.276 moles of carbon.

7 0
3 years ago
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