1.

The value of Delta H^(@) for the reaction Cu^(+) (g) + I^(-) (g) to Cu(g) is -446 kJ mol^(-1) . If the ionization energy of Cu (g) is 745 kJ mol^(-1) and the electron affinity of I(g) is -295 kJ mol^(-1) , then the value of Delta H^(@) for the formation of one mole of Cu I (g) and Cu(g) and I(g) is -

Answer»

`-446` kJ
450 kJ
594 kJ
4 kJ

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