C. The temperature decreases because the most energetic molecules escape.
Answer:
it gets rust and could not run properly
Endothermic reactions are reactions that require heat in the course of the process. The heat of reaction in this case is positive which means the energy of the products is greater than the energy of the reactants. In this case, the answer to this problem would have to be <span>1. must be greater than the required ΔH </span>
K + S = K2S
Potassium reacts with sulfur to produce potassium sulfide
