In the combustion of 1 mole of methane, 890 kJ of heat is released. How much heat is released when 4.48 liters of methane (at STP) is burned?
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890 kJ
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445 kJ
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178 kJ
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89 kJ
📝 Detailed explanation
n(CH₄) = 4.48 / 22.4 = 0.2 mol.
Heat = 0.2 * 890 kJ = 178 kJ.
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