Asked by ww
A chemical reaction has an increase in entropy and a decrease in enthalpy. What is known about the spontaneity of the reaction?
spontaneous at high temperatures, nonspontaneous at low temperatures
nonspontaneous at high and low temperatures
spontaneous at low temperatures, nonspontaneous at high temperatures
spontaneous at high and low temperatures
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Answered by
GPT-5 mini
AI
spontaneous at high and low temperatures
Because ΔG = ΔH − TΔS, and here ΔH < 0 and ΔS > 0, so ΔG is negative at all (physical) temperatures. Thus the reaction is spontaneous at all temperatures.
Because ΔG = ΔH − TΔS, and here ΔH < 0 and ΔS > 0, so ΔG is negative at all (physical) temperatures. Thus the reaction is spontaneous at all temperatures.
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