Laju reaksi 2
Quiz
•
Chemistry
•
11th Grade
•
Medium
alifiah azanayyah
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peran katalis dalam pengaruh cepatnya laju reaksi adalah...
Mengubah temperatur reaksi
Membentuk jenis reaksi eksoterm
Memperendah energi aktivasi yang diperlukan
Memperbanyak volume reaksi
Mengecilkan konsentrasi dan jumlah zat pereaksi
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Reaksi akan berlangsung 3 kali lebih cepat dari semula setiap kenaikan 20°C. Jika pada
suhu 30°C suatu reaksi berlangsung 3 menit, maka pada suhu 70°C reaksi akan
berlangsung selama...
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3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Laju reaksi pembentukan gas H2 pada suhu tersebut adalah .... mL/detik
(tulis cara di kertas lembar!)
0,7
1,4
1,8
2,0
0,8
4.
OPEN ENDED QUESTION
1 min • 1 pt
Berdasarkan hasil percobaan diperoleh data sebagai berikut. Tentukan Harga tetapan
k!
(tulis cara di kertas lembar!)
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5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
v = ... M/s
(tulis cara di kertas lembar)
2 x 10-6
3 x 10-6
2,5 x 10-6
3,5 x 10-6
4 x 10-6
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Di antara ketiga faktor berikut, mana sajakah faktor yang mempengaruhi laju reaksi dibawah ini adalah
luas permukaan
volume zat
katalis
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Perhatikan pernyataan berikut.
“Semakin besar energi aktivasi, semakin cepat reaksi yang berlangsung”.
Apakah pernyataan tersebut benar? Jelaskan beserta alasannya.
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