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Know Your Thermo
Describe the reaction below:
PCl3(g) + Cl2(g) -> PCl5(g) ; Delta(Hf) = -87.9kJ/mol
A. spontaneous at all temperatures.
B. nonspontaneous at all temperatures.
C. ΔGrxn is less than 0 at only low temperatures.
D. spontaneous at only high temperatures.
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http://mcatquestionoftheday.com/chemistry/know-your-thermo/
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