`DeltaH` is negative for the reaction

For a chemical reaction, DeltaH is negative and DeltaS is negative and DeltaS is negative . This reaction is

For a chemical reaction, DeltaH is negative and DeltaS is negative and DeltaS is negative . This reaction is

Why is the sign of DeltaH negative for an exothermic reaction and why is it positive for an endothermic reaction?

If for a reaction, DeltaH is negative and DeltaS is positive then the reaction is

DeltaH gt DeltaE for the reaction

What would happen to a reversible reaction at equilibrium, when a. The temperature is raised, given that its DeltaH is positive. b. The temperature is lowered, given that its DeltaH is positive. c. The temperature is lowered, given that its DeltaH is negative. d. The pressure is lowered, given that Deltan is negative. e. The pressure is increased, given Deltan is negative.

What would happen to a reversible reaction at equilibrium, when a. The temperature is raised, given that its DeltaH is positive. b. The temperature is lowered, given that its DeltaH is positive. c. The temperature is lowered, given that its DeltaH is negative. The prssure is lowered, given that Deltan is negative. e. The pressure is incteased, given Deltan is negative.