
OrdeBaru
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
FIRMAN KARTIKO
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
-1
0
1
2
3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada reaksi : α + β -> γ diperoleh data berikut
Berdasarkan data itu maka pseudo orde yang benar adalah?
Vt = K’[A]^2
Vt = K’[A]^2[B]
Vt = K’[B]
Vt = K’[ γ]
Vt = K[A]^2[B]
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Untuk reaksi C + O2 -> CO2
Jika konsentrasi C dinaikkan dua kali dan konsentrasi O tetap, Kecepatan reaksi 2 kali lebih besar, jika konsentrasi C dan O dinaikkan dua kali kecepatan reaksi menjadi 8 kali lebih besar. persamaan kecepatan pada waktu tertentu reaksi tersebut adalah?
Vt = K[C]^2
Vt = K[C][O2]^2
Vt = K[C][O2]^3
Vt = K’[C][O2]^2
Vt = K[C]^2[CO2]
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
SbCl3 + KIO3 + HCI → SbCl5 + ICl + H2O + KCl
Jika pada awal reaksi HCl 100 gram dengan mr = 36,5 dan ada SbCl3 mr = 228,119 dengan massa yang sama dengan HCl dan volume larutan = 1 liter dengan kecepatan awal = 51,83955 M/s. Prediksikan laju reaksi pada saat HCl terurai 10%!
15,7267 M/s
17,287 M/s
28,265 M/s
51,83955 M/s
72,8338 M/s
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui hidrolisis ester
CH3COOCH2CH3 + H2O -> CH3COOH + CH3CH2OH (Sudah Setara)
Maka orde reaksi terhadap ester adalah?
0
1
1/2
3/2
3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada temperatur 23 Derajat Reamur, laju reaksi C + O2 -> CO2 diplotkan dalam range grafik berikut biru = O2 merah = C. maka berdasarkan grafik tersebut persamaan laju reaksi =?
Vt = k[O]^2[C]
Vt = k[O][C]^2
Vt = k[O]^3
Vt = k[O][C]^3
Vt = -k[CO]
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui reaksi zat paduan logam dengan Halogen menghasilkan aluminium triflourida dan oksigen
Al2O3 + 3F2 -> 2ALF3 + O2. Dari suatu percobaan sebagai berikut.
Maka grafik yang mengambarkan orde reaksi (range) terhadap F2 adalah
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