Is the following process spontaneous? A) Yes, because ΔH 0. B) No, because ΔH 0. D) No, because ΔS

Question

Is the following process spontaneous? A) Yes, because ΔH > 0. B) No, because ΔH < 0. C) Yes, because ΔS > 0. D) No, because ΔS < 0. E) It's impossible to tell without knowing the temperature of the system.

Quizplus · Accepted Answer

The spontaneity of a process depends not only on changes in enthalpy and entropy, but also on the temperature of the system. Therefore, it's impossible to determine whether the process is spontaneous or not without knowing the temperature.

Is the Following Process Spontaneous