Consider the following equilibrium: 2NH3g=N2g+3H2g

Consider the following equilibrium: 2NH3g=N2g+3H2g ΔG0=34.kJ

Now suppose a reaction vessel is filled with 8.03atm of ammonia NH3 and 2.74atm of hydrogen H2 at 606.°C. Answer the following questions about this system:

Under these conditions, will the pressure of H2 tend to rise or fall? rise
fall
Is it possible to reverse this tendency by adding N2? In other words, if you said the pressure of H2
will tend to rise, can that be changed to a tendency to fall by adding N2? Similarly, if you said the pressure of
H2 will tend to fall, can that be changed to a tendency to rise by adding N2?
yes
no
If you said the tendency can be reversed in the second question, calculate the minimum pressure of N2
needed to reverse it. Round your answer to 2 significant digits.

 

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