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One mole of carbon undergoes incomplete ...

One mole of carbon undergoes incomplete combustion to produce carbon monoxide, Calculate `(Delta H - Delta U)` for the formation of CO at 298 K. Given R = 8.314 `JK^(-1) mol^(-1)`.

Text Solution

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1238.786 J `mol^(-1)`
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(Delta H - Delta U) for the formation of carbon monoxide (CO) from its elements at 298K is (R = 8.314 K^(-1)mol^(-1))

The internal energy change (in J) when 90 g of water undergoes complete evaporation at 100^(@)C is ______ . (Given : Delta H_("vap") for water at 373 K = 41 kJ/ mol , R = 8.314 JK^(-1) mol^(-1) )

Knowledge Check

  • (DeltaH - DeltaU) for the formation of carbon monoxide (CO) from its elements at 298 K is (R = 8.314 JK^(-1) mol^(-1))

    A
    `-1238.78 J mol^(-1)`
    B
    `1238.78 mol^(-1)`
    C
    `-2477.57 J mol^(-1)`
    D
    `2477.57 J mol^(-1)`

  • (DeltaH-DeltaU) for the formation of carbon monoxide (CO) from its elements at 298 K is : (R=8.314 JK^(-1)mol^(-1) )

    A
    1238.78 J `mol^(-1)`
    B
    `-2477.57 J mol^(-1)`
    C
    2477.57 J `mol^(-1)`
    D
    `-1238.78 mol^(-1)`

  • (DeltaH-DeltaU) for the formation of carbon monoxide (CO) from its elements at 298 K is - (R=8.314JK^(-1)mol^(-1))

    A
    `1238.78Jmol^(-1)`
    B
    `-2477.57Jmol^(-1)`
    C
    `2477.57Jmol^(-1)`
    D
    `-1238.78Jmol^(-1)`

    • Similar Questions

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    (DeltaH-DeltaU) for the formation of carbon monoxide (CO) from its elements at 298 K is (R=8.314kJ^(-1)" "mol^(-1))

    The difference between Delta H and Delta U for the combustion of methane at 27^(@)C will be (in J mol^(-1) )

    Calculate the difference between heat of combustion of carbon monoxide gas at constant pressure and at constant volume at 27°C? (R = 2 cal K^(-1) mol^(-1) )

    The heat of combustion of carbon and monoxide are -394 and -285 KJ mol^(-1) respectively. The heat of formation of CO in KJ mol^(-1) is :-

    If the heat of combustion of carbon monoxide at constant volume and at 17^(@)C is - 283.3 kJ , then its heat of combustion at constant pressure (R=8.314 J degree ^(-1) mol^(-1)

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