For which of the following equilibria does Kc correspond to the base-ionization constant, Kb, of HCO3? a. HCO3-(aq) + OH-(aq)-CO32-(aq) + H20(/) b. H2C03 (aq) + H2O(/)-HCO3Taq) + H3O+(aq) c. HC03-(aq) + H2O(/)-H2CO3 (aq) + OH-(aq)

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Enzymes affect the reactions in living cells by changing the

Building glycogen from glucose molecules is an example of