Laju Reaksi
Quiz
•
Chemistry
•
11th - 12th Grade
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Faktor-faktor di bawah ini yang tidak mempengaruhi laju reaksi adalah...
suhu
luas permukaan
volume
konsentrasi pereaksi
katalisator
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi : 2NO(g) + Br2(g) --> 2NOBr(g) mempunyai rumus laju reaksi:
v=k[NO]2[Br2]
Reaksi di atas adalah reaksi orde...
0
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
persamaan laju suatu reaksi dirumuskan v=k[NO]2[Br2]. Jika konsentrasi NO dinaikkan 2 kali, maka laju reaksi menjadi... semula.
4 kali
8 kali
10 kali
16 kali
20 kali
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang siswa SMA melakukan percobaan dengan mereaksikan pita magnesium dan larutan HCl, produk yang dihasilkan adalah larutan MgCl2 dan gas H2. Produk yang dihasilkan akan semakin cepat terbentuk apabila pita magnesium dalam bentuk...
bongkahan
serbuk halus
lempengan
butiran sebesar pasir
butiran sebesar kerikil
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi :
pA(g) + qB(g) --> rC(g) + sD(g)
v=k[A]x[B]y
mempunyai rumus laju reaksi , maka orde reaksi di atas adalah...
x
y
xy
x-y
x+y
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Penambahan katalisator akan mempercepat laju reaksi. Hal itu disebabkan oleh...
energi kinetik pereaksi berkurang
energi kinetik pereaksi bertambah
energi aktivasi berkurang
energi aktivasi bertambah
konsentrasi zat bertambah
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energi minimum yang digunakan untuk memulai reaksi disebut...
energi pereaksi
energi produk reaksi
energi aktivasi
energi kimia
energi katalisasi
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