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tamaranim1 [39]
3 years ago
7

What is δg for the formation of solid uranium hexafluoride from uranium and fluorine at 25∘c when the partial pressure of f2 is

0.054 atm ? the standard free energy of formation of uf6(s) is -2068 kj/mol?
Chemistry
1 answer:
Sladkaya [172]3 years ago
3 0

The reaction is

U(s)+3F_{2} (g)-->UF_{6} (s)

the Q of reaction will be

Q = \frac{1}{(pF_{2})^{3}}

Q = \frac{1}{(0.054)^{3}  } = 6350.66

ΔG=ΔG^{0}+RTlnQ

Putting values

ΔG = -2068000 + (8.314)(298)lnQ

ΔG = -2068000 + (8.314)(298)ln(6350.66) = -2046305 J /mol = -2046.3 kJ / mol



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