Uji Pemahaman Laju Reaksi
Quiz
•
Chemistry
•
11th Grade
•
Easy
lis cholisoh
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa saja faktor yang mempengaruhi laju reaksi?
Waktu reaksi, jenis reaksi, warna reaktan
Kekuatan ikatan, jumlah produk, pH
Kualitas reaktan, suhu lingkungan, volume reaksi
Konsentrasi reaktan, suhu, tekanan, luas permukaan, dan katalis.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jelaskan teori tumbukan dalam konteks laju reaksi!
Teori tumbukan menyatakan bahwa laju reaksi tergantung pada frekuensi dan energi tumbukan antara partikel reaktan.
Laju reaksi hanya bergantung pada suhu dan tekanan.
Teori tumbukan tidak mempengaruhi laju reaksi.
Frekuensi tumbukan tidak berhubungan dengan energi partikel.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bagaimana katalis mempengaruhi laju reaksi?
Katalis tidak mempengaruhi laju reaksi sama sekali.
Katalis hanya berfungsi pada suhu tinggi.
Katalis meningkatkan laju reaksi dengan menurunkan energi aktivasi.
Katalis memperlambat laju reaksi dengan meningkatkan energi aktivasi.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa yang dimaksud dengan reaksi orde satu?
Reaksi kimia yang tidak dipengaruhi oleh konsentrasi reaktan.
Reaksi kimia di mana laju reaksi berbanding lurus dengan konsentrasi satu reaktan.
Reaksi yang laju reaksinya berbanding terbalik dengan konsentrasi reaktan.
Reaksi yang melibatkan lebih dari satu reaktan dengan laju tetap.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikan contoh reaksi orde dua!
2 H2 + O2 -> 2 H2O
2 Na + Cl2 -> 2 NaCl
C + O2 -> CO2
H2 + Cl2 -> 2 HCl
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tuliskan persamaan laju reaksi untuk reaksi orde satu!
v = k[A]
v = k[A]^0.5
v = k[A]^2
v = k[A][B]
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa yang terjadi pada laju reaksi jika suhu meningkat?
Laju reaksi menurun.
Laju reaksi meningkat.
Laju reaksi tidak terpengaruh.
Laju reaksi tetap sama.
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