Kesetimbangan Kimia

Quiz
•
Chemistry, Science
•
University
•
Medium
Yuni Krisnandi Rere
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu reaksi kesetimbangan:
2 CO(g) + O2(g) ⇄ 2 CO2(g) ΔH = –x kJ/mol
Agar kesetimbangan bergeser ke kanan, hal-hal di bawah ini perlu dilakukan, kecuali … .
pada suhu tetap, konsentrasi gas CO ditambah
pada suhu tetap, volume diturunkan
pada suhu tetap, tekanan sistem diturunkan
pada suhu tetap, konsentrasi gas oksigen ditambah
suhu diturunkan
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini faktor-faktor yang mempengaruhi pergeseran kesetimbangan,kecuali … .
konsentrasi
katalisator
suhu
tekanan
volume
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam ruang tertutup terdapat reaksi kesetimbangan:
H2(g) + Cl2(g) ⇄ 2 HCl(g) ΔH = –92 kJ/mol
Jika suhu dinaikkan, maka kesetimbangan akan bergeser ke arah … .
kiri, harga K bertambah
kiri, harga K berkurang
kiri, harga K tetap
kanan, harga K bertambah
kanan, harga K tetap
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada reaksi kesetimbangan:
CO(g) + 3 H2(g) ⇄ CH4(g) + H2O(g)
tetapan kesetimbangan untuk reaksi tersebut adalah … .
K = [CO][H2] / [CH4][H2O]
K =[CO][H2]3 / [CH4][H2O]
K = [CO][H2O] / [H2]3[CH4]
K = [CH4][H2O] / [CO][H2]3
K = [CH4][3H2] / [H2O][CO]
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
reaksi irreversible adalah reaksi
suatu reaksi yang hanya bisa bereaksi satu arah
suatu reaksi yang bereaksi bolak-balik
suatu reaksi yang bereaksi dua arah
reaksi kesetimbangan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu reaksi mencapai keadaan setimbang jika ….
jumlah mol reaktan dan mol produk sama
reaksi telah berhenti
massa reaktan sama dengan massa produk
salah satu reaktan telah habis bereaksi
Laju reaksi ke kanan sama dengan laju reaksi ke kiri
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila pada kesetimbangan dilakukan aksi, maka sistem akan mengadakan reaksi dengan mengurangi pengaruh aksi tersebut. Pernyataan tersebut dikemukakan oleh ….
Fritz Haber
Wilhelm Ostwald
Lavoisier
Carl Bosch
Henri Louis Le Catelier
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