- #1

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HF

_{(L)}--> HF

_{(G)}

ΔH=7.53 [KJ/mol]

ΔS

_{sys}=0.0257[KJ/(mol*K)]

i used the equation

ΔH=-ΔS*T

>>T=-ΔH/ΔS

>>T=-0.0257/7.53

T=-292.996°K

surely this is meant to be positive ?

have i used the wrong equation?? which other equation should i have used?