Cherries on a tree freeze at -2°. the weather forecast said that tonight's low is -5° c. the old farmer sprays down his trees with water. he days that it will protect them. truth, or old wives tale? why?

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.