Home
Class 12
CHEMISTRY
The heat of combustion of liquid ethanol...

The heat of combustion of liquid ethanol is -327.0 kcal calculate the heat of formation of ethanol. Given that the heats of formation of `CO_(2)(g) and H_(2)O(l)` are -94.0 kcal and -68.4 kcal respectively.

A

`-212.4 kcal`

B

`+212.4 kcal`

C

`-249.2 kcal`

D

`+249.2 kcal`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the standard heat of formation of C_(10)H_(8) (naphthalene) if standard heat of combustion of nephathalene is -123.0 kcal at 298K and standard heats of formation of CO_(2)(g) and H_(2)O(l) are -94.0 kcal and -68.4 kcal respectively.

The heat of combustion of ethyl alcohol is -300 kcal. If the heats of formation of CO_(2)(g) and H_(2)O(l) are -9.3 and -68.5 kcal respectively, calculate the heat of formation of ehtyl alcohol.

The heat of formation of H_(2)O(l) is -68.0 kcal, the heat of formation of H_(2)O(g) can logically be

Calculate the enthalpy of hydrogenation of C_2 H_(4(g)) , given that the enthalpy of formation of ethane and ethylene as -30.2 kcal and +12.5 kcal respectively.

The heat of combustion of acetylene is 312 Kcal . If heat of formation of CO_(2) & H_(2)O are -94 & -68 Kcal respectively . Given that heat of atomisation of C& H are 150 & 50 Kcal respectively and C-H bond energy is 93 Kcal . Calculate (DeltaH_(C=C))/(6)

The value of Delta H for the combustion of C(s) is - 94.4 Kcal. The heat of formation of CO_(2)(g) is :-