Asked Feb 22, 2020

A 100.-mL reaction vessel initially contains 2.60 × 10–2 mol of NO and 1.30 × 10–2 mol of H2. At equilibrium, the concentration of NO in the vessel is 0.161 M. At equilibrium the vessel also contains N2, H2O, and H2.

The balanced equation for the reaction is given below.


Determine the equilibrium concentration of N2.


Expert Answer

Step 1

Given information with unit conversion:

Chemistry homework question answer, step 1, image 1


Step 2

The balanced equation can be written as,

Chemistry homework question answer, step 2, image 1

The equilibrium concentration of N2 can be determined as,

ICE table:

Chemistry homework question answer, step 2, image 2

Step 3

The value of x is concentration changes in the chemical process

The concentration changes can be calculated (At equilibrium)

Chemistry homework question answer, step 3, image 1

The concentration of H2 at equilibrium,

Chemistry homework question answer, step 3, image 2


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