You are asked to react zinc with hydrochloric acid. This reaction produces hydrogen gas and the dissolved ionic compound ZnCl2. Answer the following
questions about the reaction.

Suppose you are required to use exactly 260mL of acid, what molarity should the acid be in order to have exactly enough to react with the zinc. Show work if necessary.

How had the study of mitosis affected scientists knowledge of cancer

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.