Page 26 - E-LKPD kesetimbangan kimia

1. Perbandingan konsentrasi manakah yang menghasilkan nilai yang hampir tetap tetap?
Jawab: ............................................................................................................................
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2. Tulislah kembali reaksi yang terjadi!
Jawab: ............................................................................................................................
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3. Buatlah rumusan tetapan kesetimbangannnya!
Jawab: ............................................................................................................................
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4. Apabila diberikan reaksi kesetimbangan, a A + b B ⇋ c C + d D bagaimana rumusan
tetapan kesetimbangannya?
Jawab: ..........................................................................................................................
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Perhatikan gambar berikut!

Gambar II.2 Ilustrasi Jumlah Molekul H2, Br2 dan HBr pada Kesetimbangan.
5. Tulislah kembali persamaan reaksi yang terjadi! (setarakan)
Berapakah jumlah masing-masing molekul yang terlibat dalam reaksi kesetimbangan?
Jawab: ............................................................................................................................
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6. Tuliskanlah rumusan tetapan kesetimbangan (Kc) dari persamaan reaksi sesuai dengan
hukum aksi Massa!
Jawab: ..........................................................................................................................
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7. Reaksi H2 (g) + Br2 (g) ⇋ 2HBr(g) mempunyai tetapan kesetimbangan yang besar (Kc =
19
1, 9 × 10 ). Berdasarkan jumlah molekul pada saat kesetimbangan, apa arti nilai Kc
tersebut?
Jawab: ..........................................................................................................................
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8. Gambarlah grafik yang menunjukkan Kc > 1
Jawab: ..........................................................................................................................
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E-LKPD Berbasis Lesson Study For Learning Community 18