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The enthalpy of combustion of methane, …

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The enthalpy of combustion of methane, graphite and dihydrogen at 298 K are, _890.3KJ mol-1 _393.5 KJ mol-1, and _285.8 KJ mol-1 respectively. Enthalpy of formation of CH4 (g) will be

    • Posted by Abdul Warish 1 year, 11 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Shanika Sharma 1 year, 10 months ago

    Ch4+2o2=co2+2h2o 🔺h1=-890.3 kj/mol C+o2=co2. 🔺=-393.5kj/mol 2h2+o2=2h2o 🔺=2×-285.8kj/mol =[-393.5+2(-285.8)-(-890.3)]kj/mol =-74.8KJ/MOL

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