Problem: When barium hydroxide is dissolved in water, the temperature of the solution increases. Which of the following statements regarding this dissolution process is TRUE? (a) The reaction is spontaneous at all temperatures. (b) The reaction is driven only by entropy. (c) The reaction is driven only by enthalpy. (d) The reaction is spontaneous only at low temperatures. (e) The reaction is spontaneous only at high temperatures.

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When barium hydroxide is dissolved in water, the temperature of the solution increases. Which of the following statements regarding this dissolution process is TRUE?

(a) The reaction is spontaneous at all temperatures.

(b) The reaction is driven only by entropy.

(c) The reaction is driven only by enthalpy.

(d) The reaction is spontaneous only at low temperatures.

(e) The reaction is spontaneous only at high temperatures.

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