Need help as soon as possible please and thank you :) Given the reaction at equilibrium:

2SO2 (g) + O2 (g) <=> 2SO3 (g) + 44 Kcal

Which change will increase the concentration of SO3 (g) ?

Select one:
a. increasing the volume of the reaction vessel
b. decreasing the pressure
c. increasing the temperature
d. increasing the concentration of O2 (g)
e. decreasing the concentration of SO2 (g)

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.