The heat of combustion of methane is 880 kJ. The amount of heat liberated when 2 g of methane is completely burnt in air is

Question

The heat of combustion of methane is 880 kJ. The amount of heat liberated when 2 g of methane is completely burnt in air is (A) 440 kJ (B) 220 kJ (C) 110 kJ (D) 55 kJ

Tardigrade Admin · Accepted Answer

underset16 g 2 gCH4 + 2O2 arrow underset16 gCO2 + 2 H2 O , Δ H = - 880 kJ

Q. The heat of combustion of methane is 880 kJ. The amount of heat liberated when 2 g of methane is completely burnt in air is

440 kJ

220 kJ

110 kJ

55 kJ

$16 g 2 g C H_{4} + 2 O_{2} \to 16 g C O_{2} + 2 H_{2} O, Δ H = - 880 k J$

Q. The heat of combustion of methane is 880 kJ. The amount of heat liberated when 2 g of methane is completely burnt in air is

440 kJ

220 kJ

110 kJ

55 kJ

16g2gCH4​​+2O2​→16gCO2​+2H2​O​,ΔH=−880kJ

$16 g 2 g C H_{4} + 2 O_{2} \to 16 g C O_{2} + 2 H_{2} O, Δ H = - 880 k J$