Propane burns as C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(l)…

ChemistryHardHigh School (11–12)Chemical Thermodynamics › Enthalpy and Hess's Law Chemical Thermodynamics › Systems, Work, Heat and the First Law A-Level AP IB JEE Main

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Propane burns as $\text{C}_3\text{H}_8\text{(g)} + 5\text{O}_2\text{(g)} \rightarrow 3\text{CO}_2\text{(g)} + 4\text{H}_2\text{O(l)}$ at $340\ \text{K}$ . Taking $R = 8.3\ \text{J K}^{-1}\text{mol}^{-1}$ , what is $\Delta H - \Delta U$ ?

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