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Standard XII

Chemistry

Liquids in Liquids

31. Enthalpy ...

Question

31. Enthalpy of CH4+1/2O2 gives CH3OH is negative. If enthalpy of combustion of methane and CH3OH are xand y respectively,then which relation is correct

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Similar questions

Q. Enthalpy of

C H_{4} + \frac{1}{2} O_{2} \to C H_{3} O H

is negative. If enthalpy of combustion of

C H_{4}

and

C H_{3} O H

are x and y respectively then which relation is correct ?

Q. Enthalpy of the reaction :

C H_{4} + \frac{1}{2} O_{2} ⟶ C H_{3} O H

is negative. If enthalpy of combustion of

C H_{4}

and

C H_{3} O H

are

x

and

y

respectively, which relation is correct?

Enthalpy of combustion of $C H_{4}, C_{2} H_{6}$ and $C_{3} H_{8}$ are -210.8, -368.4 and -526.2 k cal $m o l^{- 1}$ respectively. Enthalpy of combustion of hexane can be predicted as ?

Q. The enthalpy of combustion of methane graphite and dihydrogen at

298 K

are

- 890.3

m o l^{- 1}

and

- 285.8

m o l^{- 1}

respectively. Enthalpy of formation of

C H_{4} (g)

will be:

Q. The enthalpy of combustion of methane, graphite and dihydrogen at

298 K

are

- 890.3

k J {m o l}^{- 1}, - 393.5

k J {m o l}^{- 1}, - 285.8

k J {m o l}^{- 1}

respectively. Enthalpy of formation of

{C H}_{4 (g)}

will be:

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