At What Temperatures Will a Reaction Be Spontaneous If $\Delta$ _rH ^$\circ$

question 47

Multiple Choice

At what temperatures will a reaction be spontaneous if $\Delta$ _rH ^$\circ$ = +117 kJ and $\Delta$ _rS ^$\circ$ = -35 J/K?

• A) All temperatures below 94.1 K
• B) Temperatures between 12.7 K and 135 K
• C) All temperatures above 94.1 K
• D) The reaction will be spontaneous at any temperature.
• E) The reaction will never be spontaneous.

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