Its snowing RIGHT NOW yay santa

The fact that the total amount of energy in a system remains constant is a(n)

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.