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2. The reaction N2 (g)+3 F2 (g)2 NF3 (g), has AH° is -248.6 kJ mol and ArS° is -278.7J K mol. Calculate the temperature at wh
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Answer #1

\DeltaG0 = \Delta H0 - T\DeltaS0

if \Delta G0 negative reaction is spontaneous

\DeltaH0 =   T\DeltaS0  

T = \Delta H0 / \Delta S0

T = 248.6 / (278.7 / 1000) = 248.6 / 0.2728

T = 911 K

below 911 K reaction is spontaneous .

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