PH LAJU REAKSI
Quiz
•
Chemistry
•
11th Grade
•
Hard
Melaniati Melaniati
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Laju reaksi A + B → AB dapat dinyatakan sebagai …
A. penambahan konsentrasi A tiap satuan waktu
B. penambahan konsentrasi B tiap satuan waktu
C. penambahan konsentrasi AB tiap satuan waktu
D penambahan konsentrasi A dan B tiap satuan waktu
E. penambahan konsentrasi A, B dan AB tiap satuan waktu
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu reaksi kimia yang berlangsung pada suhu 30°C memerlukan waktu 40 detik. Setiap kenaikan suhu 10°C, reaksi akan lebih cepat dua kali dari semula. berapakah waktu yang diperlukan jika suhu dinaikkan menjadi 50°C…
A. 30 detik
B. 20 detik
C 15 detik
D 10 detik
E. 5 detik
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu reaksi berlangsung dua kali lebih cepat setiap suhunya dinaikkan 10°C. Jika laju reaksi pada saat suhu 20°C adalah x M/detik, tentukan laju reaksi pada saat suhu dinaikkan menjadi 60°C.
A. 2x
B. 4x
C. 8x
D. 16x
E. 32x
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Uap bensin lebih mudah terbakar daripada bensin cair. Perbedaan tersebut disebabkan karena faktor ….
a. entalpi
b. katalisator
c. suhu
d. luas permukaan
e. konsentrasi
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Laju reaksi meningkat dua kali pada setiap kenaikan suhu sebesar 10° Jika pada suhu 30°C reaksi berlangsung selama 48 menit, berapakah lama reaksi yang berlangsung pada suhu 60°C…
a. 4 menit
b. 5 menit
c. 6 menit
d. 7 menit
e. 8 menit
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
a. 1
b. 2
c. 3
d. 4
e. 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Laju reaksi: 2A + 2B → 3C + D pada setiap saat dapat dinyatakan sebagai …
a. bertambahnya konsentrasi A setiap satuan waktu
b. bertambahnya konsentrasi B setiap satuan waktu
c. bertambahnya konsentrasi C setiap satuan waktu
d. bertambahnya konsentrasi A dan B setiap satuan waktu
e. bertambahnya konsentrasi B dan C setiap satuan waktu
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