
kesetimbangan kimia

Quiz
•
Chemistry
•
11th Grade
•
Medium
SULIZ UKI
Used 4+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ciri-ciri terjadinya kesetimbangan adalah.......
1. reaksinya bolak balik
2. sistem terbuka
3. bersifat dinamis
4. laju ke kiri = laju ke kanan
Pernyataan yang benar adalah.....
1 dan 2
1 dan 3
2 dan 3
1,2 dan 3
1,3 dan 4
2.
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
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui beberapa reaksi:
1) H2(g) + I2(g) ⇄ 2 HI(g)
2) N2(g) + 3 H2(g) ⇄2 NH3(g)
3) PCl3(g) + Cl2(g) ⇄ PCl5(g)
4) N2O4(g) ⇄ 2 NO2(g)
5) 2 SO2(g) + O2(g) ⇄ 2 SO3(g)
Dari reaksi-reaksi di atas, jika pada suhu tetap dan tekanan diperbesar, maka produknya akan bertambah terjadi pada reaksi … .
1, 3, dan 4
2, 4, dan 5
2, 3, dan 4
2, 3, dan 5
1, 2, dan 5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui beberapa reaksi:
1) H2(g) + I2(g) ⇄ 2 HI(g)
2) N2(g) + 3 H2(g) ⇄2 NH3(g)
3) PCl3(g) + Cl2(g) ⇄ PCl5(g)
4) N2O4(g) ⇄ 2 NO2(g)
5) 2 SO2(g) + O2(g) ⇄ 2 SO3(g)
Dari reaksi-reaksi di atas, jika pada suhu tetap dan tekanan diperbesar, maka produknya akan bertambah terjadi pada reaksi … .
1, 3, dan 4
2, 4, dan 5
2, 3, dan 4
2, 3, dan 5
1, 2, dan 5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dalam volume 5 liter terdapat 4,0 mol asam iodida, 0,5 mol yodium dan o,5 mol hidrogen dalam suatu kesetimbangan. Maka tetapan kesetimbangan untuk reaksi pembentukan asam iodida dari iodium dan hidrogen adalah … .
50
54
56
60
64
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tetapan kesetimbangan untuk reaksi:
CaCO3(s) ⇄ CaO(s) + CO2(g)
adalah …
K = [CO2 ][CaO] / [CaCO3]
K =[CO2]2 [CaO]2 / [CaCO3 ]3
K = [CaCO3] / [CO2 ][CaO]
K =[CaCO3 ]2 / [CO2 ]2 [CaO]2
K = [CO2]
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui reaksi kesetimbangan:
2 CO(g) + O2(g) ⇄ 2 CO2(g)
Dalam ruang 2 liter direaksikan 5 mol CO dan 5 mol O2. Jika pada saat setimbang terdapat 4 mol gas CO2, maka besarnya Kc adalah … .
0,09
1,067
9
10,67
90
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