Pergeseran Kesetimbangan

Quiz
•
Chemistry
•
12th Grade
•
Hard
hening purnamawati
Used 13+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada persamaan reaksi kesetimbangan
2HBr (g) <--> H2 (g) + Br2 (g) ∆H = + 72 kJ
Kesetimbangan akan bergeser ke gas HBr jika . . . .
suhu dinaikkan
ditambahkan gas H2
ditambahkan katalis
tekanan dinaikkan
volume diperkecil
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Diketahui reaksi kesetimbangan:
2NO2 (g) <--> 2NO(g) + O2 (g) ∆H = -62,3 kJ
Cokelat Tidak Berwarna
Jika suhu diturunkan, kesetimbangan akan bergeser kearah …..
Kiri, warna larutan cokelat bertambah
Kanan, warna cokelat bertambah
Kanan, warna cokelat berkurang
Kiri, warna cokelat berkurang
Kanan, warna cokelat tetap
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Perubahan tekanan tidak menyebabkan pergeseran system kesetimbangan pada reaksi ….
2SO3(g) < --> 2SO2(g) + O2 (g)
N2 (g) + O2 (g) < --> 2NO (g)
N2 (g) + 3H2 (g) <--> 2NH3 (g)
PCl5 (g) <--> PCl3 (g) + Cl2 (g)
N2O4 (g) <--> 2NO2(g)
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Suatu reaksi kesetimbangan sebagai berikut.
CO (g) + 3H2 (g) < --> CH4 (g) + H2O (g)
Jika pada suhu tetap volume system diperbesar, maka ... .
CO berkurang
H2 bertambah
CH4 bertambah
CH4 dan H2O bertambah
CO dan CH4 berkurang
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reaksi yang terjadi pada proses pembuatan asam sulfat :
2SO2 (g) + O2 (g) <--> SO3 (g) ∆H = -191 kJ
Pada tahap ini digunakan suhu sampai 450oC dan tekanan 2-3 atm dengan katalis V2O5. Fungsi katalis V2O5 adalah…..
Menggeser kesetimbangan kearah pereaksi
Menambah jumlah hasil reaksi
Mempercepat tercapainya kesetimbangan
Menurunkan entalpi pembentukan
Meningkatkan energy pengaktifan reaksi
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