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Calculate (a) Delta G^0 and (b) the equi...

Calculate (a) `Delta G^0` and (b) the equilibrium constant for the formation of `NO_2` from NO and `O_2` at 298 K
`NO_(g)+1 / 2 O_2 (g) hArr NO_2(g)`
where `Delta G_f^0 (NO_2)`=52.0 k J / mol
`Delta G_f^0(NO)`=87.0 k J / mol
`Delta G_f^0(O_2)`=0 k J / mol

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