Question

Le Chatelier's Principle predicts that __________ will result in an increase in the number of moles of SO3 in the reaction container. A) increasing the volume B) decreasing the pressure C) decreasing the temperature D) removing some oxygen 

Answer 1

2SO₂ + O₂ = 2SO₃

Le Chatelier's Principle: if the system in equilibrium is exposed to external influences (changes in concentration, pressure, temperature), the system shifts its equilibrium to a process in which this effect decreases.

the volume decreases in the above reaction. so if we increase the volume, the system tends to reduce it. and SO3 production increases

ANSWER: A) increasing the volume