Chapter 9, Problem 9.53EP

For each of the changes listed will the rate of the following chemical reaction increase, decrease, or remain the same?

$\text{Cu}(s)+{\text{H}}_2{\text{SO}}_4(aq)\to {\text{CuSO}}_4(aq)+{\text{H}}_2(g)$

1. a. the concentration of H₂SO₄ is increased
2. b. the copper is ground into a powder
3. c. the mixture is stirred rapidly
4. d. the temperature of the solution is increased