The Standard enthalpy of formation of gaseous `H_(2)O` at 298K is `-242 mol^(-1)` . Calculate `DeltaH^(@)"at"373K` given the following values of the molar feat capacities at constant pressure . Molar heat capcity of `H_(2)O(g)=33.5JK^(-1)mol^(-1)` molar heat capacity of `H_(2)(g)=28.8JK^(-1)mol^(-1)` Molar heat capacity of `O_(2)(g)=29.4 JK^(-1)mol^(-1)` {Assume that the heat capacities are independent of temperature.}A. `508KJ mol^(-1)`B. `-242KJ mol^(-1)`C. `-242.75 KJ mol^(-1)`D. none of these

The Standard enthalpy of formation of gaseous `H_(2)O` at 298K is `-24

1.	The Standard enthalpy of formation of gaseous `H_(2)O` at 298K is `-242 mol^(-1)` . Calculate `DeltaH^(@)"at"373K` given the following values of the molar feat capacities at constant pressure . Molar heat capcity of `H_(2)O(g)=33.5JK^(-1)mol^(-1)` molar heat capacity of `H_(2)(g)=28.8JK^(-1)mol^(-1)` Molar heat capacity of `O_(2)(g)=29.4 JK^(-1)mol^(-1)` {Assume that the heat capacities are independent of temperature.}A. `508KJ mol^(-1)`B. `-242KJ mol^(-1)`C. `-242.75 KJ mol^(-1)`D. none of these
Answer» Correct Answer - c

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