Home
Class 11
CHEMISTRY
When 14 grams of ethene is completely bu...

When 14 grams of ethene is completely burnt in oxygen, the heat evolved is 705 kJ. What is the heat of combustion (in `kJ mol^(-1)`) of ethene ?

A

1410

B

2820

C

`-1410`

D

`-2820`

Text Solution

Verified by Experts

The correct Answer is:
C
`14gmrarr705`
`28gmrarr?`
Promotional Banner

Similar Questions

Explore conceptually related problems

When 10 grams of methane is completely burnt in oxygen, the heat evolved is 560 kJ. What is the heat of combustion (in kJ mol^(-1) ) of methane?

When 6g carbon is burnt in a sufficient amount of oxygen, the heat evolved is x KJ. The heat of combustion of carbons is

The combustion of benzene (l) gives CO_(2)(g) and H_(2)O(l) . Given that heat of combustion of benzene at constant volume is –3263.9 kJ mol^(–1) at 25^(@)C , heat of combustion (in kJ mol^(–1) ) of benzene at constant pressure will be (R = 8.314 JK–1 mol–1)