
Kesetimbangan
Authored by Sriyanti Gustamar
Chemistry
11th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu zat mengalami penguraian dengan laju 0,8m/menit. Jika reaksi tersebut berlangsung Selama 10 menit konsentrasi awal zat tersebut Adalah ....
9
8
7
6
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitunglah PH larutan berikut! H2 504 0202m → 2H+ + SO4
1-log 4
2-log 6
-2-log 4
2-log 4
2-log 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu zat mengalami penguraian dengan laju0,8m/menit. Jika reaksi tersebut berlangsung Selama 8 menit konsentrasi awal zat tersebut Adalah ....
4,3
10
4,6
5
6,4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sebanyak 22,2 gram CaCl2 di larutan ke dalam 4 liter air . molaritas CaCl2 tersebut adalah ........ ( Ar=ca=40,Arcl=35,5)
0,05
0,10
0,16
3
0,8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui AH°C = -393,5 kJ mol¹, berapa kaloryang terjadi pada pembakaran 1 kg arang, jika dianggap bahwa arang mengandung 48% karbon dan A, C = 12?
16.000kJ
15.740 kJ
14.500kJ
12.980kJ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalor yang dihasilkan pada pembakaran 4,48 Liter gas karbon standar sesuai reaksi sbb adalah....
C(g) + O2(g) → CO2(g) ∆H = -394 kJ/mol
-60,4 kl
70,5 kl
-60,8 kl
-78,8 kl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui Reaksi :
H2(g) +Br2(g) → 2Hbr(g) = -72kJ
Untuk menguraikan 11,2 L gas HBr (STP) menjadi gas H2 dan gas Br₂ diperlukan kalor sebesar....
18 kJ
25 kJ
30 kJ
20 kJ
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