
Initial Assessment - Equilibrium Concepts
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Suci Febriyanti
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam minuman soda, terdapat reaksi kesetimbangan seperti pada gambar berikut. Mengapa ketika botol soda dibuka, gelembung CO₂ segera muncul banyak?
Tekanan menurun, kesetimbangan bergeser ke arah gas
Tekanan menurun, kesetimbangan bergeser ke arah cairan
Tekanan meningkat, kesetimbangan bergeser ke arah gas
Tekanan meningkat, kesetimbangan bergeser ke arah cairan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Minuman soda yang disajikan dingin terasa lebih segar karena…
Kelarutan CO₂ dalam air meningkat pada suhu rendah
Kelarutan CO₂ dalam air menurun pada suhu rendah
Suhu rendah mempercepat pelepasan CO₂
Suhu rendah membuat kesetimbangan bergeser ke arah gas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika ke dalam segelas minuman bersoda ditambahkan perasan jeruk nipis, gelembung CO₂ akan lebih banyak karena…
Penambahan asam menurunkan konsentrasi H⁺ sehingga kesetimbangan bergeser ke gas
Penambahan asam meningkatkan konsentrasi H⁺ sehingga kesetimbangan menghasilkan lebih banyak CO₂
Penambahan asam tidak mempengaruhi kesetimbangan
Penambahan asam membuat CO₂ larut lebih banyak
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan berikut yang benar tentang kesetimbangan dinamis adalah…
Tidak ada reaksi yang berlangsung setelah kesetimbangan tercapai
Laju reaksi maju lebih besar dari laju reaksi balik
Laju reaksi maju sama dengan laju reaksi balik
Konsentrasi reaktan selalu meningkat setelah kesetimbangan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika minuman bersoda dibiarkan terbuka pada suhu ruang, lama-kelamaan rasanya menjadi hambar. Hal ini terjadi karena…
Kesetimbangan bergeser ke arah gas, CO₂ keluar dari larutan
Kesetimbangan bergeser ke arah cair, CO₂ masuk ke larutan
Tekanan bertambah sehingga CO₂ keluar dari larutan
Suhu turun sehingga CO₂ keluar dari larutan
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