Hydrogen and oxygen react to form water.
2H2(g) + O2(g) <-> 2H2O(g)
triangle H=-483.6 kJ

The equilibrium constant for this reaction is 5.3 x 10^84 at 298 K. What is the equilibrium constant at 1500 K?
(R=8.31 J/mol x K)
a) 5.8 x 10 ^16
b) 9.1 x 10^31
c) 4.3 x 10^42
d) 1.1 x 10^84
e) 9.4 x 10^84