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2H O 600 cal 81,5 10 81,5 10 83,0 10 73,0 10 71,5 10 42,03 10 44,06 10 49,25 10 418,50 10 420,00 10 HomemC 1,0 cal / (g C) 1 cal 4,0 J 1mol H 1mol OH 1mol 2H O. 2 ( ) 1aq aq aq 2 ( ) 2aq aq aq HC KOH KC H O H HBr NaOH NaBr H O H 1 2H 0 e H 0 1 2H H 0 1 2H H 0 1 2H H 0 1 2H 0 e H 0 1mol 1(kJ mol ) 4 10(g)C H 125,7 2(g)CO 393,5 2 ( )H O 285,8 679,3 kJ. 26. 2CO nox 2. 2.877,3 kJ. H AEHC AEHC, 40 L 100%, AEHC 30,80 g / cm AEHC 96% 4% C 12 u ; O 16 u ; H 1u 1(kJ mol ) 1(kJ mol ) 1(kJ mol ) C C 348 H O 463 C H 413 O O 495 C O 799 C O 358 52,11 10 kJ 33,45 10 kJ 58,38 10 kJ 44,11 10 kJ 40,99 10 kJ ( H) (HCN) (NaOH), 12,9 kcal mol 113,3 kcal mol