Predict the shifting direction of the equilibrium by the following changes on the reaction: 2SO3(g)2SO2(g)+O2(g), where the standard enthalpy change…

Predict the shifting direction of the equilibrium by the following changes on the reaction:

2SO3(g)⇌2SO2(g)+O2(g),

where the standard enthalpy change for the reaction is H°=197.78kJ/mol.

A) Increasing the temperature.

B) Increasing the pressure.

C) Adding O2 when the reaction is at equilibrium.

D) Removing O2 from the system at equilibrium.