Data nilai energi ikatan rata-rata diketahui sebagai berikut. Jika entalpi reaksi CH2​=CH2​(g)+HCI(g)→CH3​CH2​CI(g) adalah −48 kJ mol−1, energi ikatan rata-rata C-CI adalah...

Pertanyaan

Data nilai energi ikatan rata-rata diketahui sebagai berikut.

Jika entalpi reaksi

C H subscript 2 double bond C H subscript 2 open parentheses g close parentheses and H C I open parentheses g close parentheses yields C H subscript 3 C H subscript 2 C I open parentheses g close parentheses

adalah negative 48 space k J space m o l to the power of negative 1 end exponent, energi ikatan rata-rata C-CI adalah...

  1. 278 space k J space m o l to the power of negative 1 end exponent

  2. 326 space k J space m o l to the power of negative 1 end exponent

  3. 756 space k J space m o l to the power of negative 1 end exponent

  4. 824 space k J space m o l to the power of negative 1 end exponent

  5. 1648 space k J space m o l to the power of negative 1 end exponent

S. Lubis

Master Teacher

Mahasiswa/Alumni Universitas Sumatera Utara

Jawaban terverifikasi

Pembahasan

P e r s a m a a n space r e a k s i space colon space space C H subscript 2 space equals space C H subscript 2 left parenthesis g right parenthesis end subscript space plus space H C l subscript left parenthesis g right parenthesis end subscript space rightwards arrow space C H subscript 3 C H subscript 2 C l subscript left parenthesis g right parenthesis end subscript

K a r e n a space m e n g g u n a k a n space d a t a space e n e r g i space i k a tan space r a t a space – space r a t a comma space m a k a  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 4 left parenthesis C space – space H right parenthesis space plus space left parenthesis C space equals space C right parenthesis space plus left parenthesis H space – space C l right parenthesis space right parenthesis space – space left parenthesis left parenthesis 5 space left parenthesis C space – space H right parenthesis space plus space left parenthesis left parenthesis C space – space C right parenthesis plus left parenthesis C 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 left parenthesis C equals C right parenthesis space plus space left parenthesis H space – space C l right parenthesis space – space left parenthesis C space – space H right parenthesis space – space left parenthesis C space – space C right parenthesis space – space space left parenthesis C space – space C l right parenthesis  space space space space space space minus 48 space space space space space equals space space 609 space plus space 426 space – space 412 space – space 345 space minus space space left parenthesis C space – space C l right parenthesis space  left parenthesis C space – space C l space right parenthesis space space space equals space 326 space k J divided by m o l

263

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Gas metanol dapat terbentuk melalui reaksi reduksi gas formaldehid (HCHO) oleh gas hidrogen menurut reaksi berikut.   HCHO(g)+H2​(g)→CH3​OH(g)    Jika diketahui entalpi reaksi reduksi tersebut adala...

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