Evaluasi Pembelajaran 2
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Hasnawati Nanna
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi orde tiga mempunyai satuan tetapan laju reaksi….
a. detik-1
b. mol-1 dm-3 detik-1
c. mol-2 dm6 detik-1
d. mol2 dm-6 detik-1
e. mol-3 dm9 detik-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kedalam ruang 2 liter direaksikan a mol gas A dan b mol gas B dengan persamaan reaksi:
2A(g) + 3B(g) → C(g)
Setelah reaksi berlangsung selama 10 detik, terbentuk gas C sebanyak m mol. Laju reaksi rata-rata dalam 10 detik tersebut adalah…. mol L-1 detik -1
a. m/20
b. b/20
c. a/20
d. (a-2m)
e. (b- 3m)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari reaksi:
2Fe+3(aq) + 3S-2(aq) → S(s) + 2FeS(s) diperoleh data eksperimen pada suhu tetap:
Dari data tersebut, orde reaksi totalnya adalah....
a. 3
b. 4
c. 5
d. 6
e. 7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari percobaan pengukuran laju reaksi diperoleh data sebagai berikut:
Dari data tersebut dapat disimpulkan bahwa orde reaksi totalnya adalah….
a. 0
b. 1
c. 2
d. 3
e. 4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam suatu bejana terjadi reaksi yang dinyatakan dengan persamaan:
2A (g) + B(g) → 2 NOBr(g)
Rumus laju reaksinya adalah….
a. v = k 〔NO〕 〔Br2〕
b. v = k 〔NO〕2 〔Br2〕2
c. v = k 〔NO〕2 〔Br2〕
d. v = k 〔NO〕2
e. v = k 〔NO2〕 〔Br2〕2
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