Question

Match the effects on the concentration of SO2 gas when the following changes occur after initial equilibrium has been established in this system:

2SO2(g) + O2(g) 2SO3(g) + 46.8 kcal

pressure increases

increase [O2]

increase volume of chamber

adding a catalyst

raising the temperature

Answer 1

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Answer 2

An incrementation in pressure will shift the equilibrium towards the side with fewer moles of gas. In this case, it would favor the forward reaction, resulting in a decrementation in the concentration of SO2. Incrementing the concentration of O2 would shift the equilibrium towards the right, favoring the forward reaction. This leads to an incrementation in the concentration of SO3 and a decrementation in the concentration of SO2. An incrementation in volume would favor the side with more moles of gas, which in this case is the left side. As a result, the concentration of SO2 would increment.

A catalyst expedites the procurement of equilibrium but does not affect the position of equilibrium itself. Consequently, the concentrations of SO2 and SO3 would remain unchanged. Given the exothermic nature of the reaction, raising the temperature would shift the equilibrium towards the left, favoring the inversion reaction. This leads to an incrementation in the concentration of SO2 and a decrementation in the concentration of SO3.

Answer 3

the answer is an incrementation in the concentration of SO2 and a decrementation in the concentration of SO3.you