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Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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SULIZ UKI
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44 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bila laju penguraian N2O5 menjadi NO2 dan O2 pada suhu tertentu adalah 2,5 x 10-6 mol.L-1.det-1 dengan reaksi :
N2O5 ---> 2NO2 + 1/2 O2, maka laju pembentukan NO2 adalah ....
1,3 x 10-6 mol-1.L-1.det-1
2,5 x 10-6 mol-1.L-1.det-1
3,9 x 10-6 mol-1.L-1.det-1
5,0 x 10-6 mol-1.L-1.det-1
6,2 x 10-4 mol-1.L-1.det-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara pasangan pereaksi berikut, yang diharapkan bereaksi paling cepat adalah ....
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M pada suhu 30oC
20 ml HCl 0,1 M + 20 ml Na2S2O3 0,1M + 10 ml air pada suhu 30oC
20 ml HCl 0,1 M + 20 ml Na2S2O3 0,1M pada suhu 40oC
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M pada suhu 40oC
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M + 20 ml air pada suhu 40oC
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tabel diatas merupakan tabel data suhu dan kecepatan reaksi:
Berdasarkan tabel, kecepatan reaksi pada suhu 65oC adalah ....
0,0001
0,0003
0,0009
0,0027
0,0081
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Setiap Kenaikan suhu 20oC, laju reaksi menjadi 3 kali lebih cepat dari semula. Jika pada suhu 20oC laju reaksi berlangsung 9 menit, maka laju reaksi pada suhu 60oC adalah ....
1/9 menit
1/6 menit
1/3 menit
2/3 menit
3/6 menit
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data diatas merupakan data dari reaksi:
NO(g) + Br2(g) ---> 2NOBr(g),
Dari data tersebut, reaksi tersebut mempunyai rumus persamaan laju ....
V = k . [NO]2 . [Br2]
V = k . [NO] . [Br2]2
V = k [NO]1/2 . [Br2]
V = k [NO] . [Br2]
V = k [NO]1/2 . [Br2]1/3
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berdasarkan tabel dari reaksi NO2 dan Cl2 tersebut, maka orde reaksi adalah ...
0
1
2
3
4
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dari data hasil percobaan diatas, maka laju untuk :
BrO3- + 5 Br- + 6H+ ---> 3Br2 + 3H2O adalah ....
V = k . [BrO3-] . [H+]2
V = k . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]
V = k . [BrO3-] . [Br-]2 . .[H+]2
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