SAT KIMIA XI 2023
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Nurul Lailiy
Used 2+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa pentane ( C5H12) memiliki isomer sebanyak . . . .
2
3
4
5
6
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatika reaksi :
2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) ∆H = -3048 kJ
Kalor yang dihasilkan dari pembakaran 15 gram etana (C2H6) adalah . . . .( Ar C = 12 dan H = 1)
-1,524 kJ
+1524 kJ
-3084 kJ
-6168 kJ
+6168
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatikan diagram entalpi reaksi berikut:
Besarnya perubahan entalpi ∆H1 adalah . . . .
+325 kJ
-325 kJ
+285,5 kJ
-571 kJ
+571 kJ
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Berikut ini merupakan data energi ikatan rata-rata.
H−H = 436 kJ/mol
Cl−Cl = 242 kJ/mol
H−Cl = 431 kJ/mol
Kalor yang diperlukan untuk membentuk 18,25 gram HCl dari unsur-unsurnya adalah . . . .
-736 kJ
-184 kJ
+184 kJ
-46 kJ
+46 kJ
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Jika diketahui:
2NO(g) + O2(g) → N2O4(g) ∆H = a kJ
NO(g) + O2(g) → NO2(g) ∆H = b kJ
Besarnya entalpi untuk reaksi:
2NO2 (g) → N2O4(g) adalah . . . .
(a + b) kJ
(2a + b) kJ
(a + 2b) kJ
(a - 2b) kJ
(-a + 2b) kJ
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Laju reaksi dari persamaan:
2H2S(g) + 3O2(g) → 2SO2(g) + 2H2O(g)
Pernyataan yang tidak tepat adalah . . . .
Laju bertambahnya konsentrasi SO2 tiap satuan waktu
Laju bertambahnya konsentrasi H2O tiap satuan waktu
Laju bertambahnya konsentrasi O2 tiap satuan waktu
Laju berkurangnya konsentrasi O2 tiap satuan waktu
Laju berkurangnya konsentrasi H2S tiap satuan waktu
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatikan laju reaksi dari persamaan berikut.
2NO(g) + Br2(g) → 2NOBr(g)
4
3
2
1
0
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