Consider the following reaction: 2 N2O2 (g) + N2O4 (g) --> 2 N2O3 (g) + 2 NO (g)

Question

Consider the following reaction:
2 N2O2 (g) + N2O4 (g) --> 2 N2O3 (g) + 2 NO (g), withHº = - 32 kJ/mol. Predict the effect of:
(1). removing NO (g) from the equilibrium mixture,
(2). raising the temperature of the equilibrium mixture,
(3). decreasing the volume of the container filled with theequilibrium mixture.

a) (1) shifts right, (2) shifts left, (3) shifts right.
b)   (1) shifts left, (2) shifts left, (3) shiftsleft.
c)   (1)shifts left, (2) shifts right, (3) shiftsright.
d)   (1) shifts right, (2) shifts right, (3) shiftsright.
e)   (1) shifts left, (2) shifts left, (3) shiftsright.
f) (1) shifts right, (2) shifts left, (3) shifts left.
g)   (1) shifts right, (2) shifts right, (3) shiftsleft.
h)   (1) shifts left, (2) shifts right, (3) shiftsleft.

Explanation / Answer

when we remove NO, the reaction will shift in favor ofproducing more NO, so it shifts to the right When we raise the temperature of this reaction which isexothermic, then the reaction will shift to the direction that willlower the temperature, then shifts to the left. finally, decreasing volume causes the reaction to shift to theside with the fewer moles of gas to reduce the pressure, then itshifts to the left (on the left: 3 moles, on the right: 4moles) So the answer is: right, left, left (f)

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