test

Quiz
•
Chemistry
•
University
•
Hard
Indria Arifiani
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Diketahui reaksi :
C(s) + CO2(g) ⇄ 2CO(g)
Persamaan tetapan kesetimbangan (Kc) untuk reaksi tersebut dapat ditulis ….
𝐾𝑐 = [CO]/[C][CO2]
𝐾𝑐 = [CO]/[CO2]
𝐾𝑐 = [CO2]/[CO]
𝐾𝑐 = [CO]3/[C][CO2]
𝐾𝑐 = [CO]3/[CO2]
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Persamaan tetapan kesetimbangan yang benar untuk reaksi 4𝐻𝐶𝑙(𝑔) + 𝑂2(𝑔) ⇄ 2𝐻2𝑂(𝑔) + 2𝐶𝑙2(𝑔) dituliskan ….
𝐾𝑐 = [H2O][CI2]/[HCI][O2]
𝐾𝑐 = [HCI][O2]/[H2O][CI2]
𝐾𝑐 = [H2O]2[CI2]2/[HCI]4[O2]
𝐾𝑐 = [HCI]4[O2]/[H2O]2[CI2]
𝐾𝑐 = [CI2]/[O2]
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Perhatikan persamaan reaksi berikut !
𝐹𝑒3𝑂4(𝑠) + 4𝐶𝑂(𝑔) ⇄ 𝐹𝑒(𝑠) + 4𝐶𝑂2(𝑔)
Apabila reaksi tersebut dalam kondisi setara maka persamaan tetapan kesetimbangan tekanannya dapat dituliskan ….
𝐾P = (PFe)(PCO2)/(PFe3O4)(PCO)
𝐾P = (PCO2)/(PCO)
𝐾P = (PFe)3(PCO2)4/(PFe3O4)(PCO)4
𝐾P = (PCO2)4/(PCO)4
𝐾P = (PCO)4/(PCO2)4
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Diketahui reaksi: 𝐻2(𝑔) + 𝑆(𝑠) ⇄ 𝐻2𝑆(𝑔) Ke dalam wadah 1 liter dimasukkan 0,1 mol 𝐻2 dan 0,1 mol 𝑆 mencapai setimbang. Jika 𝐾𝑐 = 3 maka mol 𝐻2𝑆 terbentuk adalah ….
0,025
0,05
0,075
0,10
0,15
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Sebanyak 4 mol gas N2O4 dipanaskan dalam suatu ruangan sehingga 50% terdisosiasi membentuk gas NO2 dengan reaksi sebagai berikut: N2O4(g) ⇄ 2NO2(g) Jika diketahui tekanan total campuran adalah 5,5 atm maka harga Kp pada suhu itu adalah ….
2
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