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Given C(s)+O(2(g))toCO(2(g)),DeltaH=-94....

Given `C_(s)+O_(2(g))toCO_(2(g)),DeltaH=-94.2K cal`
`H_(2(g))+½O_(2(g))toH_(2)O_((g)),Delta=-68.3K cal`
`CH_(4(g))+2O_(2(g))to2H_(2)O+CO_(2)=-210.8K cal`
what will be heat of formation of ` CH_(4)` in (Kcal) ?

A

`47.3` K.Cal

B

`20.0K. Cal`

C

`45.9 K.Cal`

D

`-47.3 K.Cal`

Text Solution

Verified by Experts

The correct Answer is:
B
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KUMAR PRAKASHAN-THERMODYNAMICS-Section - C Multiple Choice Questions (MCQs) (MCQs from Textual Exercise)
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  3. Given C(s)+O(2(g))toCO(2(g)),DeltaH=-94.2K cal H(2(g))+½O(2(g))toH(2...

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  4. Which of the following reaction is endothermic reaction ?

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  8. How many moles of water is produced during combustion of 8 gm of CH(4)...

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  9. Which of the following has maximum neutralization enthalpy ?

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  10. Which of the following gas has maximum heat of combustion?

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  12. For which of the following reaction Delta H ne Delta E ?

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  13. State the unit of molar entropy.

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  14. Work is not done during the expansion of ideal gas in vacuum. Why ?

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  15. S+(3)/(2) O(2) to SO(3) + y " kJ" SO(2) + (1)/(2) O(2) to SO(3) + 2x...

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  16. Calculate the enthalpy of formation of CO from the given information. ...

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  17. If Delta H gt Delta G for the given process, then ..........

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  18. If the system does not lose heat or does not receive heat, then the pr...

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  19. Value of Delta G is -ve for ice to water system at .......... temperat...

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  20. In which of the following reaction, entropy is decreasing ?

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