UH Laju Reaksi
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
A B
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
0,02
0,03
0,04
0,2
0,4
2.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
4 mol N2 dan 2 mol O2 direaksikan ke dalam wadah 2 L dan mengikuti persamaan berikut.
2N2 + O2 → 2N2O
Jika persamaan laju reaksinya V = 0,1[N2][O2], besarnya laju reaksi saat konsentrasi N2O yang terbentuk adalah 0,8 mol adalah
0,006 M/s
0,008 M/s
0,04 M/s
0,05 M/s
0,08 M/s
3.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Laju reaksi A + B → AB dapat dinyatakan sebagai …
penambahan konsentrasi A tiap satuan waktu
penambahan konsentrasi B tiap satuan waktu
penambahan konsentrasi AB tiap satuan waktu
penambahan konsentrasi A dan B tiap satuan waktu
penambahan konsentrasi A, B dan AB tiap satuan waktu
5.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Jika pada reaksi 1/2N2 + 3/2H2 → NH3, kecepatan reaksi berdasarkan N2 dinyatakan sebagai VN2 dan berdasarkan H2 dinyatakan sebagai VH2 maka persamaan yang tepat adalah…
VN2 = VH2
VN2 = ½ VH2
VN2 = 1/3 VH2
VN2 = 3/2 VH2
VN2 = 3 VH2
6.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Laju suatu reaksi menjadi dua kali lebih cepat pada setiap kenaikan suhu 15 o Bila pada suhu 10°C reaksi berlangsung dengan laju reaksi 2 x 10-3 mol L-1 s-1, berapa laju reaksi yang terjadi pada suhu 55°C…
1,6 x 10-2 mol L‾¹ s‾¹
1,6 x 10-3 mol L‾¹ s‾¹
1,6 x 10-4 mol L‾¹ s‾¹
1,7 x 10-3 mol L‾¹ s‾¹
1,7 x 10-4 mol L-1 s-1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah lamanya reaksi pada temperatur 75°C, jika diketahui lamanya reaksi pada 45°C adalah 54 sekon dan setiap kenaikan temperatur 10°C laju reaksi menjadi 3 kali laju reaksi semula…
2 sekon
3 sekon
4 sekon
5 sekon
6 sekon
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