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The heat of reaction for, C(10)H(8(s))+1...

The heat of reaction for, `C_(10)H_(8(s))+12O_(2(g)) rarr 10CO_(2(g))+4H_(2)O_((l))` at constant volume is `-1228.2 kcal` at `25^(@)C`. Calculate the heat of reaction at constant pressure at `25^(@)C`.

Text Solution

Verified by Experts

The correct Answer is:
`-1229.392kcal;`
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Heat of reaction for C_(6)H_(12)O_(6(s))+6O_(2(g)) rarr 6CO_(2(g))+6H_(2)O_(v) at constant pressure is -651 kcal at 17^(@)C . Calculate the heat of reaction at constant volume at 17^(@)C .

Heat of reaction for C_(6)H_(12)O_(6)(s) + 6O_(2)(g) to 6CO_(2)(g) + 6H_(2)O(v) at constant pressure is -651 kcal at 17^(@) C. Calculate the heat of reaction at constant volume at 17^(@) C.

Knowledge Check

  • The heat of reaction for C_(10)H_(8)(s)+12O_(2)(g)to 10CO_(2)(g)+4H_(2)O(l) at constant volume is -1228.2 kcal at 25^(@)C . The heat of reaction at constant pressure and same temperature is

    A
    `-1228.2` kcal
    B
    `-1229.3` kcal
    C
    `-1232.9` kcal
    D
    `-1242.6` kcal

  • The heat of reaction for C_(18) H_(8)(s) 12 O_(2) (g) rarr 10 CO_(2) (g) + 4 H_(2) O(I) at constand vlume is -1228.2 kcal at 25^(@) C. The heat of reaction at constant pressure and same temperature is

    A
    `-1228.2` kcal
    B
    `-1229.3 ` kcal
    C
    `-1232.9` kcal
    D
    `-1242.6` kcal

  • For the reaction, C_(3)H_(8(g)) +5O_(2(g)) rarr 3CO_(2(g)) + 4H_(2)O_((l)) at constant temperature, Delta H - Delta U is

    A
    + 3RT
    B
    `-RT`
    C
    `-3RT`
    D
    `+RT`

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