ch20-p068 - 68. A metric ton is 1000 kg, so that the heat...

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68. A metric ton is 1000 kg, so that the heat generated by burning 380 metric tons during one hour is () 6 380000 kg 28 MJ kg =10.6 10 MJ. × The work done in one hour is ( ) 6 = 750 MJ s 3600 s = 2.7 10 MJ
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