The standard enthalpy and entropy of a hypothetical reaction are both positive. Assuming these values are constant with temperature, which of the following statements describes the temperature dependence of the spontaneity of the reaction?
W) Spontaneous at all temperatures
X) Nonspontaneous at all temperatures
Y) Spontaneous at high temperatures but nonspontaneous at low temperatures
Z) Spontaneous at low temperatures but nonspontaneous at high temperatures
✔️Answer:Y) SPONTANEOUS AT HIGH TEMPERATURES BUT NONSPONTANEOUS AT LOW TEMPERATURES
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