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Nilai energi ikatan rata-rata untuk beberapa ikatan diberikan pada tabel berikut. Nilai entalpi reaksi berikut adalah.... CH 3 ​ CI ( g ) + CI 2 ​ ( g ) → CH 2 ​ CI 2 ​ ( g ) + HCI ( g )

Nilai energi ikatan rata-rata untuk beberapa ikatan diberikan pada tabel berikut.

Nilai entalpi reaksi berikut adalah....

  1. negative sign 109 space kJ space mol to the power of negative sign 1 end exponent

  2. plus 109 space space mol to the power of negative sign 1 end exponent

  3. negative sign 218 space kJ space mol to the power of negative sign 1 end exponent

  4. plus 218 space kJ space mol to the power of negative sign 1 end exponent

  5. negative sign 323 space kJ space mol to the power of negative sign 1 end exponent

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S. Lubis

Master Teacher

Mahasiswa/Alumni Universitas Sumatera Utara

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C H subscript 3 C I open parentheses g close parentheses space plus space C I subscript 2 open parentheses g close parentheses yields C H subscript 2 C I subscript 2 open parentheses g close parentheses space plus space H C I open parentheses g close parentheses

increment H space space space space space space space space space space space space equals space space sum increment H subscript r e a k tan end subscript space – space sum increment H subscript p r o d u k end subscript  space space space space space space space space space space space space space space space space space space space equals space left parenthesis left parenthesis 3 left parenthesis C space – space H right parenthesis space plus space left parenthesis C space – space C l right parenthesis space plus left parenthesis C l space – space C l right parenthesis space right parenthesis space – space left parenthesis left parenthesis 2 space left parenthesis C space – space H right parenthesis space plus space left parenthesis left parenthesis 2 space left parenthesis C space – space C l right parenthesis right parenthesis space plus space left parenthesis H space – space C l right parenthesis right parenthesis  space space space space space space space space space space space space space space space space space space space equals space left parenthesis C space – space H right parenthesis space plus space left parenthesis C l space – space C l right parenthesis space – space left parenthesis C space – space C l right parenthesis space – space space left parenthesis H space – space C l right parenthesis  space space space space space space space space space space space space space space space space space space space equals space space 410 space plus space 243 space – space 330 space – space 432  space space space space space space space space space space space space space space space space space space space equals space space minus 109 k J divided by m o l

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