KESETIMBANGAN KIMIA
Quiz
•
Science
•
3rd Grade
•
Practice Problem
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Medium
Yuyun Apriani
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
1. Analisislah data berikut!
4NH3(g) +5O2(g) ⇌ 4NO(g) + 6H2O(l) ∆H = - 904 KJ
Kearah mana kesetimbangan akan bergeser jika mula-mula konsentrasi oksigen ditambah kemudian suhu didinginkan dan volume reaktan dikurangi…
Kanan, kanan, kiri
Kiri, kiri, kanan
Kanan, kanan, kanan
Kanan, kiri, kanan
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
2. Dalam suatu reaksi kesetimbangan yang dapat dilihat dibawah ini, agar kesetimbangan bergeser kearah kanan tanpa menaikkan suhu dan tanpa memperbesar tekanan yang dimiliki, maka langkah yang tepat untuk dilakukan sesuai analisis adalah.…
A(s) + 2B(aq) + 3C(aq) ⇌ D(aq) + 2E(g) ∆H = +X KJ
Menambah konsentrasi E dan mengurangi volume produk
Menambah konsentrasi B
Menambah konsentrasi B dan mengurangi volume reaktan
Menambah konsentrasi D dan mengurangi volume reaktan
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
3.Jika pada reaksi pembentukan SO3 terjadi pergeseran kesetimbangan kearah produk, maka untuk mengembalikan arah kesetimbangan ke kiri, hal yang dapat dilakukan adalah…
2SO2 (g)+O2 (g) --> 2SO3 (g)
Memperbesar volume
Memperbesar tekanan
Memperbesar konsentrasi oksigen
Memperkecil konsentrasi SO3
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
4.Dalam suatu percobaan reaksi pembentukan gas nitrogen monoksida dengan bentuk sebagai berikut:
N2(g) + O2(g) ⇌ 2NO(g) ∆H = +180 KJ
Tindakan yang diperlukan untuk meningkatkan produk yang dihasilkan adalah dengan…
Memperbesar volume
Memperbesar tekanan
Memperkecil tekanan
Menaikkan suhu
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
5.Pada reaksi kesetimbangan berikut:
2N2O5 (g) ⇌ 4NO2 (s) + O2(g) ∆H = -A kj
Kesetimbangan akan bergeser ke kanan, jika…
Suhu dinaikkan
Volume dikurangi
Volume ditambah
Konsentrasi NO2 diperbesar
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
6. Berdasarkan rumus kesetimbangan di bawah ini:
Kc = [𝐶𝑂2]
[𝑂2]
Simpulkanlah bentuk persamaan reaksi yang benar sesuai dengan hukum tetapan kesetimbangan adalah…
C(s) + O2(g) ⇌CO2(g)
C(g) + O2(g)⇌ CO2(g)
C(aq) + O2(g)⇌CO2(g)
CO(s) + O2(g)⇌CO2(g)
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
7.Rumus nilai K dari persamaan reaksi berikut:
Cu2+(aq) + Zn(s) ⇌ Zn2+(aq) + Cu(s) adalah…
Kc = [𝑍𝑛2+]2
[𝐶𝑢2+]2
Kc = [𝑍𝑛2+]
[𝐶𝑢2+]
Kc = [𝐶𝑢] [𝑍𝑛2+] 2
[𝐶𝑢2+]2[𝑍𝑛]
Kc = [𝐶𝑢][𝑍𝑛2+]
[𝐶𝑢2+][𝑍𝑛]
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