Consider the following equilibrium: 2NOC1 (g) = 2NO (g)+Cl, (g) AG" =41. kJ Now suppose a reaction vessel is filled with 2.68 atm of nitrosyl chloride (NOCI) and 3.74 atm of chlorine (Cl,) at 227. °C. Answer the following questions about this system: O rise Under these conditions, will the pressure of Cl, tend to rise or fall? fall Is it possible to reverse this tendency by adding NO? In other words, if you said the pressure of Cl, will tend to rise, can that yes be changed to a tendency to fall by adding NO? Similarly, if you said the no pressure of CI, will tend to fall, can that be changed to a tendency to rise by adding NO ? If you said the tendency can be reversed in the second question, calculate the minimum pressure of NO needed to reverse it. I atm Round your answer to 2 significant digits.

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Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 8RQ: Consider the equation G = G + RT ln(Q). What is the value of G for a reaction at equilibrium? What...
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O ENTROPY AND FREE ENERGY
Using reaction free energy to predict equilibrium composition
D 3/5
Consider the following equilibrium:
2NOC1 (g) - 2NO (g)+ Cl, (g)
AG" =41. kJ
Now suppose a reaction vessel is filled with 2.68 atm of nitrosyl chloride (NOCI) and 3.74 atm of chlorine (Cl,) at 227. °C. Answer the
following questions about this system:
rise
Under these conditions, will the pressure of Cl, tend to rise or fall?
fall
Is it possible to reverse this tendency by adding NO?
In other words, if you said the pressure of Cl, will tend to rise, can that
yes
be changed to a tendency to fall by adding NO? Similarly, if you said the
no
pressure of Cl, will tend to fall, can that be changed to a tendency to rise
by adding NO?
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of NO needed to reverse it.
| atm
Round your answer to 2 significant digits.
II
Transcribed Image Text:O ENTROPY AND FREE ENERGY Using reaction free energy to predict equilibrium composition D 3/5 Consider the following equilibrium: 2NOC1 (g) - 2NO (g)+ Cl, (g) AG" =41. kJ Now suppose a reaction vessel is filled with 2.68 atm of nitrosyl chloride (NOCI) and 3.74 atm of chlorine (Cl,) at 227. °C. Answer the following questions about this system: rise Under these conditions, will the pressure of Cl, tend to rise or fall? fall Is it possible to reverse this tendency by adding NO? In other words, if you said the pressure of Cl, will tend to rise, can that yes be changed to a tendency to fall by adding NO? Similarly, if you said the no pressure of Cl, will tend to fall, can that be changed to a tendency to rise by adding NO? If you said the tendency can be reversed in the second question, calculate the minimum pressure of NO needed to reverse it. | atm Round your answer to 2 significant digits. II
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