This diagram best depicts which of the following?

fuel cell
Zn-CusO 4 wet cell
battery
Ni-Cd dry cell

Summarize possible ways in which phases of matter could combine to form a solution.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride