Given the general chemical equation A + 2B → 2C + D, what is the limiting reactant if 2.0 mol of A are exposed to 6.2 mol of B?

a. A
b. B
с. С
d. D

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

C3h8o3 - glycerol major species present when dissolved in water

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !