What are you most likely to observe when an endothermic reaction is taking place?

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Why does his teacher ask him to balance the equation by including the correct coefficient