
KUIS 3.6 DAN 3.7
Authored by Yesi Oktalia
Chemistry
11th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan persamaan reaksi berikut:
Zn (s) + H2SO4 (aq) ZnSO4 (aq) + H2 (g)
Data percobaan menunjukkan bahwa 2 gram serbuk seng lebih cepat habis bereaksi dengan 500 mL larutan H2SO4 2 M dari pada reaksi 2 gram butiran seng dengan 500 mL larutan H2SO4 1 M. Perbedaan laju reaksi tersebut disebabkan oleh….
Luas permukaan zat
Konsentrasi logam Zn
Konsentrasi larutan Zn dan konsentrasi larutan H2SO4
Konsentrasi larutan H2SO4 dan luas permukaan Zn
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kenaikan suhu akan mempercepat laju reaksi karena …
Energi kinetik partikel-partikel yang bereaksi semakin tinggi
Dalam reaksi kimia suhu berperan sebagai katalisator
Frekuensi tumbukan semakin tinggi
Kenaikan suhu akan menyebabkan konsentrasi pereaksi meningkat
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut faktor-faktor yang mempengaruhi laju reaksi, kecuali….
Luas permukaan bidang sentuh
Konsentrasi zat pereaksi
Suhu saat reaksi berlangsung
Penambahan katalis yang tepat
Jenis dan warna zat pereaksi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut adalah grafik tingkat energy dari reaksi:
A → B
Bagian yang menunjukkan Energi aktivasi reaksi tanpa menggunakan katalis adalah….
b-a
c
b-c
c-a
c-d
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energi minimum yang dibutuhkan agar suatu reaksi dapat berlangsung disebut.….
Energi Kinetik
Energi Potensial
Energi Kimia
Energi Aktivasi
Entalpi Reaksi
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Data hasil percobaan untuk reaksi A + B adalah sebagai berikut.
Berdasarkan data percobaan 1 dan 3 di atas, faktor yang mempengaruhi besarnya laju reaksi di atas adalah...
konsentrasi
katalis
perubahan suhu
luas permukaan
sifat zat
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari data hasil percobaan diatas, maka laju untuk :
BrO3- + 5 Br- + 6H+ ---> 3Br2 + 3H2O adalah ....
V = k . [BrO3-] . [H+]2
V = k . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]
V = k . [BrO3-] . [Br-]2 . .[H+]2
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