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InterviewSolution
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Which of the following equations refers to standard enthalpy of reaction?A. `CH_(4) (g) + 2 O_(2) (g) rarr CO_(2) (g) + 2 H_(2) O (l)`B. `CH_(4) (g) + 2 O_(2) (g) rarr CO_(2) (g) + 2 H_(2) (g)`C. `CH_(4) (g) + 2 O_(2) (g) rarr CO_(2) (s) + 2 H_(2) O (l)`D. `CH_(4) (g) + 2 O_(2) (l) rarr CO_(2) (s) + 2 H_(2) O (l)` |
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Answer» Correct Answer - A The standar enthalpy of reaction `(Delta_(r) H^(@))` refers to the enthalpy change `(Delta H)` when the specified numbe of moles of reactants all at standard states are converted completely states. |
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