Cucl2 2 na → 2nacl cu you only have 15g of sodium to use for this reaction. how much copper(ii must you combine with the sodium to isolate the maximum amount of copper possible.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating

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.