Iklan

Iklan

Pertanyaan

Diketahui data berikut. D C ≡ C ​ = 839 kJ mol − 1 D C − H ​ = 413 kJ mol − 1 D H − H ​ = 436 kJ mol − 1 D C − C ​ = 348 kJ mol − 1 Entalpi reaksi: C 2 ​ H 2 ​ ( g ) + 2 H 2 ​ ( g ) → C 2 ​ H 6 ​ ( g ) adalah ...

Diketahui data berikut.

  

Entalpi reaksi:  adalah ...

 

  1. -402 kJ mol-1space

  2. -289 kJ mol-1spacespace

  3. +289 kJ mol-1spacespace

  4. +402 kJ mol-1space

  5. +537 kJ mol-1spacespace

Iklan

A. Nurul

Master Teacher

Mahasiswa/Alumni UIN Syarif Hidayatullah Jakarta

Jawaban terverifikasi

Jawaban

jawaban benar adalah B.

jawaban benar adalah B. 

Iklan

Pembahasan

struktur reaksi : menentukan nilai entalpi reaksi : Jadi, jawaban benar adalah B.

struktur reaksi :

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space H space space space space H space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space I space space space space space I H bond C triple bond C bond H plus space 2 H bond H space rightwards arrow space space space H space minus sign C bond C bond H space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space I space space space space space I space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space H space space space space H    

menentukan nilai entalpi reaksi :

increment H equals sum energi space ikatan space reaktan minus sign sum energi space ikatan space produk increment H equals left square bracket left parenthesis 2 cross times italic D subscript C italic bond H end subscript right parenthesis plus left parenthesis italic D subscript C triple bond C end subscript right parenthesis plus left parenthesis 2 cross times italic D subscript H bond H end subscript right parenthesis right square bracket minus sign left square bracket left parenthesis 6 cross times italic D subscript C bond H end subscript right parenthesis plus left parenthesis italic D subscript C bond C end subscript italic right parenthesis right square bracket increment H equals left square bracket left parenthesis 2 cross times 413 right parenthesis plus left parenthesis 839 right parenthesis plus left parenthesis 2 cross times 436 right parenthesis right square bracket minus sign left square bracket left parenthesis 6 cross times 413 right parenthesis plus left parenthesis 348 right parenthesis right square bracket increment H equals left square bracket left parenthesis 826 right parenthesis plus left parenthesis 838 right parenthesis plus left parenthesis 872 right parenthesis right square bracket minus sign left square bracket left parenthesis 2478 right parenthesis plus left parenthesis 348 right parenthesis right square bracket increment H equals 2537 minus sign 2826 increment H equals minus sign 289 space kJ space mol to the power of negative sign 1 end exponent

Jadi, jawaban benar adalah B. 

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

5

Iklan

Iklan

Pertanyaan serupa

Diketahui reaksi berikut. H O I ∥ H − C − H + 2 O = O → C + 2 H − O − H I ∥ H O Diketahui perubahan entalpi sebesar -109 kJ serta energi ikatan C = O , H − O , dan O = O berturut-turut 243 kJ mo...

23

4.7

Jawaban terverifikasi

RUANGGURU HQ

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

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia