Multiple choice question about relationship between delta S and G.

Predict the signs of delta S and delta H for the melting of ice at 300K? a. Delta H > 0 and delta S > 0 b. Delta H > 0 and delta S < 0 c. Delta H < 0 and delta S > 0 d. Delta H < 0 and delta S < 0 e. Not enough information provided to answer question

Multiple choice question about relationship between delta S and G.

Predict the sign of delta S and delta H for the combustion of gasoline at 500K. a. Delta H > 0 and delta S > 0 b. Delta H > 0 and delta S < 0 c. Delta H < 0 and delta S > 0 d. Delta H < 0 and delta S < 0 e. Not enough information provided to answer question

Multiple choice question about the characteristics of delta G.

If delta G is negative at all temperatures, then which of the following statements must be true? a. Delta H > 0 and delta S > 0 b. Delta H > 0 and delta S < 0 c. Delta H < 0 and delta S > 0 d. Delta H < 0 and delta S < 0 e. None of the above

Multiple choice question about the affect on Standard Gibbs free energy when the reactant or product pressure is increased.

In a gas phase reaction, what is the effect of increasing reactant or product pressure on the standard Gibbs free energy? a. Delta G increases due to decreased entropy b. Delta G decreases due to decreased entropy c. Delta G increases due to increased enthalpy d. Delta G may either increase or decrease e. Delta G is unchanged

Entropy

What is the relationship between 'delta' G and E (cell voltage)? 'delta' G = ?