Ulangan Harian Keseimbangan
Quiz
•
Chemistry
•
11th Grade
•
Hard
Besse Firanita Astari
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini adalah ciri-ciri terjadinya reaksi kesetimbangan, kecuali … .
terjadi dalam ruang tertutup
laju reaksi ke kiri sama dengan laju reaksi ke kanan
reaksinya tidak dapat balik
tidak terjadi perubahan makroskopis
2.
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, volume diturunkan
pada suhu tetap, tekanan sistem diturunkan
pada suhu tetap, konsentrasi gas oksigen ditambah
suhu diturunkan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi : CaCO3 (s) ==== CaO(s) + CO2(g) , maka rumus kesetimbangannya adalah ….
Kc = [CaO][CO2]
Kc = [CaO] / [CaCO3]
Kc = [CO2]
Kc = [CO2] -1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam bejana dengan volume 2 L terdapat kesetimbangan: (persamaan reaksi di gambar)
Pada saat setimbang terdapat 2 mol N2, 4 mol H2, dan 8 mol NH3. Maka tetapan kesetimbangan reaksi tersebut adalah ….
2
4
6
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
berdasarkan beberapa reaksi tersebut, reaksi yang termasuk kesetimbangan homogen adalah....
1, 2, 3
1, 2, 4
1, 2, 5
2, 3, 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
0,3 am
7,38 atm
0,74
0.7 atm
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dalam ruang 1 liter terdapat reaksi kesetimbangan:
2 HI(g) ⇄ H2(g) + I2(g)
Bila mula-mula terdapat 0,4 mol HI, dan diperoleh 0,1 mol gas hidrogen pada saat setimbang, maka besarnya derajat disosiasi HI adalah … .
0,50
0,60
0,75
0,80
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