The reaction shown below occurs in a sealed container: 2 NH3 (g) --> N2 (g) + 3 H2 (g) What is true about the gases in the container as the reaction proceeds? Group of answer choices The mass remains constant, and the number of molecules increases The mass remains constant, and the number of molecules decreases The mass decreases, and the number of molecules increases None of these answers is correct. The mass increases, and the number of molecules increases

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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The reaction shown below occurs in a sealed container:

2 NH3 (g) --> N2 (g) + 3 H2 (g)

What is true about the gases in the container as the reaction proceeds?

Group of answer choices

The mass remains constant, and the number of molecules increases

The mass remains constant, and the number of molecules decreases

The mass decreases, and the number of molecules increases

None of these answers is correct.

The mass increases, and the number of molecules increases

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