1.

What would be the standard internal energy change for the reaction,OF_2(g) + H_2O (g) to O_2(g) + 2HF(g) at 298 K? The standard enthalpies of formation of OF_2 (g), H_2O(g), HF(g) are +20, +250 and -270 kJ "mol"^(-1)

Answer»

`352 XX 10^2 KJ`
`410 xx 10^5 kJ`
`3.12 xx 10^2 kJ`
`5.26 xx 10^4 kJ`

SOLUTION :`3.12 xx 10^2 kJ`


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