

latihan soal 1
Interactive Video
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Maimun Maimun
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam reaksi kimia, bagaimana hubungan antara perbandingan laju reaksi dengan perbandingan koefisien stoikiometri zat-zat yang terlibat?
Perbandingan laju reaksi berbanding terbalik dengan perbandingan koefisien.
Perbandingan laju reaksi sama dengan perbandingan koefisien.
Perbandingan laju reaksi tidak berhubungan dengan perbandingan koefisien.
Perbandingan laju reaksi adalah kuadrat dari perbandingan koefisien.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amonia (NH3) dibakar dengan reaksi 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g). Jika laju reaksi amonia adalah 0,24 mol L⁻¹ det⁻¹, berapakah laju reaksi O2 dan laju pembentukan H2O secara berturut-turut?
0,3 mol L⁻¹ det⁻¹ dan 0,36 mol L⁻¹ det⁻¹
0,24 mol L⁻¹ det⁻¹ dan 0,3 mol L⁻¹ det⁻¹
0,36 mol L⁻¹ det⁻¹ dan 0,3 mol L⁻¹ det⁻¹
0,24 mol L⁻¹ det⁻¹ dan 0,36 mol L⁻¹ det⁻¹
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalsium karbonat (CaCO3) terurai menjadi CaO dan CO2. Jika 50 gram CaCO3 (Mr = 100) terurai seluruhnya dalam waktu 5 menit, berapakah kecepatan peruraiannya dalam mol/detik?
1,67 x 10⁻² mol/detik
1,67 x 10⁻³ mol/detik
5,0 x 10⁻³ mol/detik
5,0 x 10⁻² mol/detik
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam reaksi Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g), mula-mula terdapat 25 gram Zn. Setelah 5 menit, massa Zn yang tersisa adalah 18,5 gram. Berapakah massa Zn yang telah bereaksi?
6,5 gram
18,5 gram
25 gram
43,5 gram
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Apakah Anda menikmati pelajaran video tersebut?
Ya
Tidak
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa mol Zn yang bereaksi setelah 5 menit?
0.05 mol
0.1 mol
0.15 mol
0.2 mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa laju reaksi Zn dalam mol/detik?
3.3 x 10^-3 mol/detik
3.3 x 10^-4 mol/detik
6.5 x 10^-3 mol/detik
6.5 x 10^-4 mol/detik
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