Soal Sumatif Kimia Fase F

Quiz
•
Chemistry
•
11th Grade
•
Hard
Lusi Febrianti
Used 8+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Entalpi pembentukan AgNO3 = -23 kkal/mol. Pernyataan ini dapat ditulis sebagai ....
Ag+ + NO3- → AgNO3 ΔH = -23 kkal/mol
Ag + 1/2 N2 + 3/2 O2 → AgNO3 ΔH = -23 kkal
2Ag + N2 + 3 O2 → 2 AgNO3 ΔH = -23 kkal
Ag2O + N2O → 2 AgNO3 ΔH = +46 kkal
Ag2O + N2O → 2 AgNO3 ΔH = -23 kkal
2.
MULTIPLE CHOICE QUESTION
5 mins • 8 pts
Jika kalor jenis air adalah 4,18 J.g-1.oC maka untuk memanaskan 50 gram air dari suhu 25oC menjadi 75oC memerlukan kalor sebesar ....
8,250 kJ
9,725 kJ
10,450 kJ
11,725 kJ
12,45 kJ
3.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Pernyataan yang benar tentang reaksi endoterm di bawah ini adalah ....
Sistem melepaskan kalor
Entalpi produk lebih kecil daripada entalpi reaktan
Lingkungan mengalami kenaikan suhu
Entalpi sistem berkurang
Entalpi sistem bertambah
4.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Yang termasuk sistem tertutup adalah ....
menuangkan air panas ke dalam gelas
menuangkan air panas ke dalam wadah termos
menuangkan kopi ke dalam cangkir kemudian ditutup
menuangkan air dingin ke dalam baskom
menuangkan air dingin ke dalam ember
5.
MULTIPLE CHOICE QUESTION
10 mins • 8 pts
Data energi ikatan rata - rata :
C = C = 609 kJ/mol
C - Cl = 326 kJ/mol
C - H = 412 kJ/mol
C - C = 345 kJ/mol
H-Cl = 426 kJ/mol
Besarnya entalpi reaksi :
CH2=CH2 + HCl → CH3CH2Cl
adalah ....
-312 kJ/mol
-48 kJ/mol
48 kJ/mol
100 kJ/mol
312 kJ/mol
6.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Dilaboratorium larutan HCl direaksikan dengan larutan KOH dalam sebuah tabung reaksi. Sistem dalam percobaan tersebut yaitu ....
Laboratorium dan larutan HCl
Tabung reaksi dan larutan HCl
Tabung reaksi dan larutan KOH
Laboratorium dan larutan KOH
Larutan HCl dan larutan KOH
7.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Perhatikan reaksi berikut :
NO + O2 → NO2
Reaksi tersebut adalah reaksi ....
pembentukan NO2
Pembentukan NO
Pembakaran NO
Pembakaran NO2
Penguraian NO
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