Given N2(g) + 3H2 = 2NH3(g), which scenario will allow you to eventually reach an equillibrium mixture involving these chemicals?

Question

A. Place only H2 into a sealed vessel.
B.Place only NH3 into a sealed vessel.
C.Place only N2 into a sealed vessel.
D.All of the above scenarios.
E.none of the above.

According to the collision theory of Chemical reactions:
A. High Energy collisions result in few successful reactions as there isn't sufficient time for the products to react.
B. High Energy collisions lead to the successful formation of products.
C. Low energy collisions do not occur in the gas phase.
D. Low energy collisions result in many successful reactions are there is sufficient time for the reactants to form products.
E. All of the above.

Answer 1

B & B?

Answer 2

D and B