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7. Which reaction results in the greatest increase in entropy? a. A ? B c. 2A ? B b. A ? 2B d. 3A ? B 8. In which of these systems is the entropy decreasing? a. air escaping from a tire c. salt dissolving in water b. snow melting d. a liquid cooling 9. Which of the following statements explains why the melting of ice is a spontaneous reaction at room temperature and pressure? a. Melting is accompanied by a decrease of entropy. b. Melting is accompanied by an increase of entropy. c. Melting is accompanied by a decrease of energy. d. Melting is accompanied by an increase of energy. 10. The two factors that determine whether a reaction is spontaneous or nonspontaneous are ___. a. entropy and disorder b. entropy and energy c. electron configuration and ionic charge d. energy and heat of reaction 11. Spontaneous reactions _. a. are always exothermic b. always take place at a rapid rate c. always result in increased disorder of the system d. always release free energy 12. Oxidation is _____. a. a loss of oxygen c. a loss of electrons b. a gain of electrons d. a gain of hydrogen

          7. Which reaction results in the greatest increase in entropy?
a. A ? B
c. 2A ? B
b. A ? 2B
d. 3A ? B
8. In which of these systems is the entropy decreasing?
a. air escaping from a tire
c. salt dissolving in water
b. snow melting
d. a liquid cooling
9. Which of the following statements explains why the melting of ice is a spontaneous reaction at room
temperature and pressure?
a. Melting is accompanied by a decrease of entropy.
b. Melting is accompanied by an increase of entropy.
c. Melting is accompanied by a decrease of energy.
d. Melting is accompanied by an increase of energy.
10. The two factors that determine whether a reaction is spontaneous or nonspontaneous are _______.
a. entropy and disorder
b. entropy and energy
c. electron configuration and ionic charge
d. energy and heat of reaction
11. Spontaneous reactions _______.
a. are always exothermic
b. always take place at a rapid rate
c. always result in increased disorder of the system
d. always release free energy
12. Oxidation is _______.
a. a loss of oxygen
c. a loss of electrons
b. a gain of electrons
d. a gain of hydrogen

7. Which reaction results in the greatest increase in entropy?
a. A ? B
c. 2A ? B
b. A ? 2B
d. 3A ? B
8. In which of these systems is the entropy decreasing?
a. air escaping from a tire
c. salt dissolving in water
b. snow melting
d. a liquid cooling
9. Which of the following statements explains why the melting of ice is a spontaneous reaction at room
temperature and pressure?
a. Melting is accompanied by a decrease of entropy.
b. Melting is accompanied by an increase of entropy.
c. Melting is accompanied by a decrease of energy.
d. Melting is accompanied by an increase of energy.
10. The two factors that determine whether a reaction is spontaneous or nonspontaneous are .
a. entropy and disorder
b. entropy and energy
c. electron configuration and ionic charge
d. energy and heat of reaction
11. Spontaneous reactions .
a. are always exothermic
b. always take place at a rapid rate
c. always result in increased disorder of the system
d. always release free energy
12. Oxidation is .
a. a loss of oxygen
c. a loss of electrons
b. a gain of electrons
d. a gain of hydrogen

Added by Laura J.

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