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Heat of combustion of CH4(g) is -890 kJ/mole. What is the value of Δc H of 8 gm of methane? -

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Question

Heat of combustion of CH4(g) is -890 kJ/mole. What is the value of Δc H of 8gm of methane?

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Solution

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

Δc H of CH4(g) = -445 kJ for 8g 

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Thermochemistry
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