At What Temperatures Will a Reaction Be Spontaneous If Δ_rH°

question 3

Multiple Choice

At what temperatures will a reaction be spontaneous if Δ_rH° = +117 kJ and Δ_rS° = -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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