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Data nilai energi ikatan rata-rata diketahui sebagai berikut. CH3​Br(g) + Br2​(g)  → CH2​Br2​(g) + HBr(g) Nilai entalpi reaksi di atas adalah......

Pertanyaan

Data nilai energi ikatan rata-rata diketahui sebagai berikut.

C H subscript 3 B r left parenthesis g right parenthesis space plus space B r subscript 2 left parenthesis g right parenthesis space space rightwards arrow space C H subscript 2 B r subscript 2 left parenthesis g right parenthesis space plus space H B r left parenthesis g right parenthesis

Nilai entalpi reaksi di atas adalah......

  1. plus 27 space k J space m o l to the power of negative 1 end exponent

  2. negative 27 space k J space m o l to the power of negative 1 end exponent

  3. plus 54 space k J space m o l to the power of negative 1 end exponent

  4. negative 54 space k J space m o l to the power of negative 1 end exponent

  5. plus 81 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 colon space C H subscript 3 B r left parenthesis g right parenthesis space plus space B r subscript 2 left parenthesis g right parenthesis space space rightwards arrow space C H subscript 2 B r subscript 2 left parenthesis g right parenthesis space plus space H B r left parenthesis g right parenthesis

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 equals sum increment H subscript r e a k tan end subscript – sum increment H subscript p r o d u k end subscript  space space space space space space equals space left parenthesis 3 left parenthesis C space – space H right parenthesis space plus space left parenthesis C space – space B r right parenthesis space plus space left parenthesis B r space – space B r right parenthesis right parenthesis space – space left parenthesis left parenthesis 2 space left parenthesis C space – space H right parenthesis space plus space left parenthesis 2 left parenthesis C space – space B r right parenthesis plus left parenthesis H space – space B r right parenthesis right parenthesis  space space space space space space equals space left parenthesis left parenthesis C space – space H right parenthesis space plus space left parenthesis B r space – space B r right parenthesis right parenthesis space – space left parenthesis left parenthesis C space – space B r right parenthesis space plus space left parenthesis H space – space B r right parenthesis right parenthesis  space space space space space space equals space 410 space plus space 193 space – space 267 space – space 36  space space space space space space equals negative 27 space k J divided by m o l

67

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Pertanyaan serupa

Nilai energi ikatan rata-rata untuk beberapa ikatan diberikan pada tabel berikut. Nilai entalpi reaksi berikut adalah.... CH3​Cl(g)+Cl2​(g)→CH2​Cl2​(g)+HCl(g)

515

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