One kilocalorie is equal to 4,186.8 joules. A particular reaction has a standard free energy change of −30.5 kJ/mol. What is the standard free energy change in units of kcal/mol? free energy question.
1 kilocalorie is equal to 4186.8 joules
A particular reaction has free energy change of -30KJ/mol
-30 KJ = -30 x 1000 J = -30000 J
Now 4186.8 J = 1 kcal
So -30000 J = (1 x -30000)/4186.8 Kcal = 7.165 kcal
Therefore, the standard free energy change is equal to 7.165 kcal/mol
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