Roboguru

Asam asetat dapat terbentuk dari reaksi antara met...

Asam asetat dapat terbentuk dari reaksi antara metanol dengan CO sesuai reaksi:

begin mathsize 14px style CH subscript 3 OH left parenthesis straight g right parenthesis space plus space CO left parenthesis straight g right parenthesis space rightwards arrow space CH subscript 3 COOH left parenthesis straight g right parenthesis space space space increment straight H equals short dash 22 kJ end style

Jika energi ikatan rata-rata untuk C-C, C-O, C=O, C-H, O-H berturut-turut adalah 347, 358, 745, 413, dan 467 begin mathsize 14px style kJ space mol to the power of negative 1 end exponent end style, maka energi ikatan rata-rata C ≡ O adalah .... begin mathsize 14px style kJ space mol to the power of negative 1 end exponent end style.

  1. 347

  2. 614

  3. 945

  4. 1070

  5. 1092

Jawaban:

Reaksi dalam bentuk lengan

begin mathsize 14px style Jika space diketahui space energi space ikatan comma  ΔH equals left parenthesis jumlah space energi space ikat space reaktan right parenthesis space – space left parenthesis jumlah space energi space ikat space produk right parenthesis  – 22 equals open square brackets 3 space left parenthesis straight C – straight H right parenthesis plus left parenthesis straight C – straight O right parenthesis plus left parenthesis straight C identical to straight O right parenthesis plus left parenthesis straight O – straight H right parenthesis close square brackets – open square brackets 3 space left parenthesis straight C – straight H right parenthesis plus left parenthesis straight C – straight O right parenthesis plus left parenthesis straight C equals straight O right parenthesis plus left parenthesis straight O – straight H right parenthesis plus left parenthesis straight C – straight C right parenthesis close square brackets  space space space space space space space equals left parenthesis straight C identical to straight O right parenthesis – open square brackets left parenthesis straight C equals straight O right parenthesis space plus space left parenthesis straight C – straight C right parenthesis right parenthesis close square brackets  – 22 equals left parenthesis straight C identical to straight O right parenthesis – open square brackets left parenthesis 745 right parenthesis space plus space left parenthesis 347 right parenthesis right parenthesis close square brackets  straight C identical to straight O equals 1070 – 22 space  space space space space space space space space space equals plus 1070 space kJ divided by mol end style

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved