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

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

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 ?

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 a certain amount of ethylene was combusted, 5644 kJ heat was evolved. If heat of combustion of ethylene is 1411 kJ , the volume of O_(2) (at NTP ) the entered into the reaction is:

When a certain amount of ethylene was combusted, 6226 kJ heat was evolved. If heat of combustion of ethylene is 1411 kJ, the volume of O_(2) (at STP) that entered into the reaction is :

When a certain amount of ethylene was combusted, 6226 kJ heat was evolved. If heat of combustion of ethylene is 1411 kJ, the volume of O_(2) (at STP) that entered into the reaction is :

When a certain amount of ethylene was combusted, 5644 kJ heat was evolved. If heat of combustion of ethylene is 1411 kJ , the volume of O_(2) (at NTP ) the entered into the reaction is:

When a certain amount of ethylene was burnt 622 kJ heat was evolved. If heat of combustion of ethylene is 1411 kJ, the volume of O_(2) (at NTP) that entered into the reaction is