Home
Class 12
CHEMISTRY
The heat evolved in the combustion of be...

The heat evolved in the combustion of benzene is given by
`C_(6)H_(6) (l) +7(1)/(2)O_(2)(g)rarr 3H_(2)O(l)+6CO_(2)(g), DeltaH =- 781.0 kcal mol^(-1)`
When `156g` of `C_(6)H_(6)` is burnt in a open container, the amount of heat energy released will be

A

150.2 kcal `"mol"^(-1)`

B

1562.0 kcal `"mol"^(-1)`

C

`6528.2 kJ"mol"^(-1)`

D

`2448.5 kJ "mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Similar Questions

Explore conceptually related problems

The heat evolved in the combustion of benzene is given by the equation C_(6)H_(6)(l)+7(1)/(2)O_(2)(g)to 6CO_(2)(g)+3H_(2)O(l) , Delta H =- 781 Kcal mol^(-1) Which of the following quantities of heat will be evolved when 39 g of benzene is burnt in an open container

C_(4)H_(10)+(13)/(2)O_(2)(g)rarr4CO_(2)(g)+5H_(2)O(l), DeltaH =- 2878 kJ DeltaH is the heat of……….of butane gas.

The heat evolved in combustion of benzene is given by the following equation : C_(6)H_(6)+15//2O_(2)to3H_(2)O+6CO_(2) : DeltaH=-3264.6 kJ Which of the following quantities of heat will be evolved when 39g of benzene are burnt in an open container ?

If C_(6)H_(12)O_(6)(s)+9O_(2)(g)rarr6CO_(2)(g)+6H_(2)O(g) , Delta H=-680 Kcal The weight of CO_(2)(g) produced when 170 Kcal of heat is evolved in the combustion of glucose is :-

For the reaction C_(6)H_(12)(l)+9O_(2)(g)to6H_(2)O(l)+6CO_(2)(g) , DeltaH=-936.9kcal Which of the following is true ?

According to equation, C_(6)H_(6)(l)+15//2 O_(2)(g)rarr 6CO_(2)(g)+3H_(2)O(l), Delta H= -3264.4 "KJ mol"^(-1) the energy evolved when 7.8 g benzene is burnt in air will be -

H_(2)O(l) rarr H_(2)O(s), DeltaH =- 6.01 kJ DeltaH is the heat of ……………….of water.

H_(2)O(g) rarr H_(2)O(l), DeltaH =- 40.7 kJ DeltaH is the heat of……………….of water.

H_(2)O(s) rarr H_(2)O(l), DeltaH = 6.01 kJ DeltaH is the heat of …………………of ice.

Calorific value of ethane, in k J/g if for the reaction 2C_(2)H_(6) + 7O_(2) rightarrow 4CO_(2) + 6 H_(2)O, Delta H = -745.6 kcal