You have a balloon containing 1 l of air at stp in a vacuum chamber. what will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 k? (use the combined gas law pv/t = k or p1v1/t1 = p2v2/t2.)

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.