Question

If the reaction: H2 (g) 6 I2 (g) = 2HI (g) has a Kc = 54.8 at 450 degrees Celsius, then what is the free energy of the reaction? (The value of the gas constant, R, is 0.008314 kJ/L*mol).
A. -24.1 kJ/mol
B. -6.5 kJ/mol
C. -10.5 kJ/mol
D. -15.0 kJ/mol

Answer 1

@aaronq

Answer 2

delta G= -RT ln K
delat G= -0.008314 kJ/L*mol (450 + 273) ln 54.8 = ????

Answer 3

What is In?

Answer 4

@Cuanchi

Answer 5

ln is the natural logarithm, log to the base e

\(\sf log_e=ln\)

Answer 6

So the answer is -24.1 kJ/mol?

Answer 7

Thank you @Cuanchi and @aaronq :)

Answer 8

yup!

Answer 9

no probs!