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The value of Delta H for the reaction ...

The value of `Delta H` for the reaction
`2 N_(2)(g) + O_(2) (g) rarr 2N_(2) O (g)`
at `298 K` is `164 kJ`. Calculate `Delta U` for the reaction.
Strategy : In this process, 3 mol of gas change to 2 mol of gas at constant temperature and pressure. Assuming ideal gas behavior, we can use. First `Delta_(n_(g))` and the obtain a value of `Delta U` by converting the value of `Delta H` from `164 kJ` to `164000 J` and expressing `R` in units of `J mol^(-1) K^(-1)`

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