Question

Heat of combustion of CH_4(g) is -890 kJ/mole. What is the value of Δ_c H of 8gm of methane?

Answer 1

For CH_4(g), Δ_c H per mole = -890 kJ for 16g (Molar mass of CH₄)

Δ_c H of CH_4(g) = -445 kJ for 8g