Question

1. The study of the interchange of chemical and electrical energy is called a. thermodynamics b. kinetics c. thermochemistry d. stoichiometry 2. The measure of disorder of a system is called a. entropy b. enthalpy c. free energy d. none of these 3. Which phase has the greatest entropy? a. solids b. liquids c. aqueous solutions d. gases 4. As the size of an atom increases, what happens to its entropy? a. increases b. decreases c. stays the same d. goes to zero 5. In the evaporation of water, the sign of ?S is a. + b. – c. 0 d. no change 6. Predict the sign of ?S for the following reaction: C6H12O6 (s) + 6O2 (g) ? 6H2O (g) + 6CO2 (g) a. + b. – c. zero d. no change 7. The entropy of a perfect crystal at 0° K is zero. Which law of thermodynamics is this? a. first b. second c. third d. zeroth 8. For a reaction to be spontaneous, ?G must be: a. positive b. negative c. zero d. > 0 9. Standard conditions for aqueous solutions include 25° C, 1 atm P, and what concentrations of ions? a. 1M b. 2M 3. ½ M d. 4M 10. The maximum possible useful work obtainable from a process is equal to the change in a. entropy (S) b. free energy (G) c. enthalpy (H) d. pressure (P)

          1. The study of the interchange of chemical and electrical energy is called
a. thermodynamics b. kinetics c. thermochemistry d. stoichiometry
2. The measure of disorder of a system is called
a. entropy b. enthalpy c. free energy d. none of these
3. Which phase has the greatest entropy?
a. solids b. liquids c. aqueous solutions d. gases
4. As the size of an atom increases, what happens to its entropy?
a. increases b. decreases c. stays the same d. goes to zero
5. In the evaporation of water, the sign of ?S is
a. + b. – c. 0 d. no change
6. Predict the sign of ?S for the following reaction:
C6H12O6 (s) + 6O2 (g) ? 6H2O (g) + 6CO2 (g)
a. + b. – c. zero d. no change
7. The entropy of a perfect crystal at 0° K is zero. Which law of thermodynamics is this?
a. first b. second c. third d. zeroth
8. For a reaction to be spontaneous, ?G must be:
a. positive b. negative c. zero d. > 0
9. Standard conditions for aqueous solutions include 25° C, 1 atm P, and what concentrations of ions?
a. 1M b. 2M 3. ½ M d. 4M
10. The maximum possible useful work obtainable from a process is equal to the change in
a. entropy (S) b. free energy (G) c. enthalpy (H) d. pressure (P)

1. The study of the interchange of chemical and electrical energy is called
a. thermodynamics b. kinetics c. thermochemistry d. stoichiometry
2. The measure of disorder of a system is called
a. entropy b. enthalpy c. free energy d. none of these
3. Which phase has the greatest entropy?
a. solids b. liquids c. aqueous solutions d. gases
4. As the size of an atom increases, what happens to its entropy?
a. increases b. decreases c. stays the same d. goes to zero
5. In the evaporation of water, the sign of ?S is
a. + b. – c. 0 d. no change
6. Predict the sign of ?S for the following reaction:
C6H12O6 (s) + 6O2 (g) ? 6H2O (g) + 6CO2 (g)
a. + b. – c. zero d. no change
7. The entropy of a perfect crystal at 0° K is zero. Which law of thermodynamics is this?
a. first b. second c. third d. zeroth
8. For a reaction to be spontaneous, ?G must be:
a. positive b. negative c. zero d. > 0
9. Standard conditions for aqueous solutions include 25° C, 1 atm P, and what concentrations of ions?
a. 1M b. 2M 3. ½ M d. 4M
10. The maximum possible useful work obtainable from a process is equal to the change in
a. entropy (S) b. free energy (G) c. enthalpy (H) d. pressure (P)

Added by Antonio G.

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