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15. 4.8g of C(diamond) on complete combination evolves 1584 kJ of heat. The standard heat of formation gaseous carbon is 725kJ/mole. The energy required for the process (1)C(graphite)---->C(gas) (2)C(diamond)--->C(gas) are (A)725, 727 (B)727, 725 (C)725, 723 (D)none of these

Answer» 15. 4.8g of C(diamond) on complete combination evolves 1584 kJ of heat. The standard heat of formation gaseous carbon is 725kJ/mole. The energy required for the process (1)C(graphite)---->C(gas) (2)C(diamond)--->C(gas) are (A)725, 727 (B)727, 725 (C)725, 723 (D)none of these


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