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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

When 6.0 g of graphite reacts with dihydrogen to give methane gas, 37.4 kJ of heat is liberated. What is standard enthalpy of formation of ? [MHTCET 2022]

Answer: (A)

Solution

6.0 g carbon is 0.5 mol and releases 37.4 kJ, so 1 mol (12 g) releases kJ, i.e. $Δ_f H° =

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Question ID VK-064800