For N₂(g) + 3H₂(g) → 2NH₃(g) at 550 K, what is Δ H - Δ U? Take R = 8.3 J K⁻¹mol⁻¹.

ChemistryMediumHigh School (11–12)Chemical Thermodynamics › Enthalpy and Hess's Law

For $\text{N}_2\text{(g)} + 3\text{H}_2\text{(g)} \rightarrow 2\text{NH}_3\text{(g)}$ at $550\ \text{K}$ , what is $\Delta H - \Delta U$ ? Take $R = 8.3\ \text{J K}^{-1}\text{mol}^{-1}$ .

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