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The standard enthalpy of formation of CO...

The standard enthalpy of formation of CO is -110 kJ and of `CO_2` is -394 kJ. The heat of combustion when one mole of graphite burns is

A

`-110` KJ

B

`-284` KJ

C

`-394` KJ

D

`-504` KJ

Text Solution

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The correct Answer is:
C
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. According to equation, C(6)H(6)(l)+15//2 O(2)(g)rarr 6CO(2)(g)+3H(2)O(...

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  2. Heat of combustion of CH(4), C(2)H(6), C(2)H(4) and C(2)H(2) gases are...

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  3. The standard enthalpy of formation of CO is -110 kJ and of CO2 is -394...

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  4. If enthalpies of formation of C(2)H(4)(g),CO(2)(g) and H(2)O(l) at 25^...

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  5. The heat of combustion of carbon and monoxide are -394 and -285 KJ mol...

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  6. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

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  7. Find out the heat evolved in combustion if 112 litre (at 1 atm, 273 K)...

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  8. A person requires 2870 kcal of energy to lead normal daily life. If he...

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  9. On complete combustion of 2 gm methane 26575 cals of heat is generated...

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  10. X gm of ethanal was subjected to combustion in a bomb calorimeter and ...

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  11. The following are heats of reactions : (A) DeltaH(f)^(@) of H(2)O(l)...

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  12. The enthalpy combustion of a substance

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  13. The value of Delta H for the combustion of C(s) is - 94.4 Kcal. The he...

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  14. In the combustion of 0.4 g. of CH(4) 0.25 Kcal. Of heat is liberated. ...

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  15. If C(6)H(12)O(6)(s) +6O(2)(g) to 6CO(2)(g)+6H(2)O (l), triangleH=680 K...

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  16. Which of the following equations corresponds to the enthalpy of combus...

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  17. Heat of formation of CO2 is 94.0 K.cal. What would be thequantity of h...

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  18. The amount of heat liberated when one mole of NH(4)OH reacts with one ...

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  19. If H^(+)+OH^(-)to H(2)O(l)+13.7 Kcal, then the value of heat of neutra...

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  20. The heat of neutralisation of a strong dibasic acid in dilute solution...

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