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Entalpi penguapan air berdasarkan kedua persamaan berikut adalah.… H 2 ( g ) ​ + ½ O 2 ( g ) ​ → H 2 ​ O ( l ) ​ , ΔH = − 286 kJ H 2 ( g ) ​ + ½ O 2 ( g ) ​ → H 2 ​ O ( g ) ​ , ΔH = − 245 , 5 kJ

Entalpi penguapan air berdasarkan kedua persamaan berikut adalah.…

  1. 1,25 kJ 
     

  2. 6,02 kJ
     

  3. 31,5 kJ

  4. 40,5 kJ
     

  5. 62,3 kJ
        

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straight H subscript 2 straight O space subscript left parenthesis straight l right parenthesis end subscript space space space space space space space space space rightwards arrow space straight H subscript 2 space left parenthesis straight g right parenthesis end subscript space plus space ½ space straight O subscript 2 space left parenthesis straight g right parenthesis end subscript space space space space space ΔH space equals space 286 space kJ space straight H subscript 2 space left parenthesis straight g right parenthesis end subscript space plus space ½ space straight O subscript 2 space left parenthesis straight g right parenthesis end subscript space space space space space rightwards arrow space straight H subscript 2 straight O space subscript left parenthesis straight g right parenthesis end subscript space space space space space space space space ΔH space equals space minus 245 comma 5 space kJ space straight H subscript 2 straight O space subscript left parenthesis straight l right parenthesis end subscript space space space space space space space space space rightwards arrow space straight H subscript 2 straight O subscript space left parenthesis straight g right parenthesis end subscript space space space space space space space space space space space space space space space space space space space space space space ΔH space equals space 40 comma 5 space kJ

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