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Heats of combustion diamond carbon and garphite carbon are respectively -395.4 KJ mol^(-1) and -393.5 KJ mol^(-1). Calculate the heat of transition of dimand carbon into garphite carbon. |
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Answer» Solution :`C_(("diamond"))+O_(2)(G) to O_(2)(g) ,DeltaH=-395.4KJ....(1)` `C_(("GRAPHITE"))+ O_(2)(g) to O_(2)(g) ,DeltaH=-395.4KJ....(2)` EQUATION (1)-euation (2), GIVES `C_(("diamond"))toC_(("graphite")),DeltaH=-1.9KJ` The heat TRANSITION of diamond carbon into graphite carbone =-1.9KJ. |
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