
Penentuan Perubahan Entalpi
Quiz
•
Others
•
11th Grade
•
Medium
Noni Dwi Tifani
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Hess menyatakan kalor yang dibebaskan atau diperlukan pada suatu reaksi tidak bergantung pada jalannya reaksi tetapi....
Hanya bergantung pada keadaan akhir
Hanya bergangung pada keadaan awal
Bergantung pada keadaan awal dan akhir reaksi
Bergantung saat reaksi selesai
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hubungan yang benar dari diagram energi tersebut adalah
ΔH1 = ΔH2 + ΔH3
ΔH1 = ΔH2 - ΔH
ΔH2 = ΔH1 + ΔH3
ΔH2 = ΔH2 - ΔH1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui C2(g) + 1/2 O2(g)→ CO2 ΔHfo = - 393,5 Kj/mol
jika yang terbentuk adalah 2 mol gas CO2, berapa besar kalor yang dilepaskan?
+787 Kj
-787 Kj
-196,75 Kj
+196,75 Kj
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui data energi ikatan
C - H = 413 Kj/mol
Cl - Cl = 242 kj/mol
C - Cl = 328 Kj/mol
H - Cl = 431 Kj/mol
Hitunglah perubahan entalpi reaksi tersebut
-86 KJ
+86 KJ
-172 KJ
+172 KJ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2(g) + 3H2(g) → 2NH3(g) ΔH= -92 Kj
Berapa nilai perubahan entalpi pada penguraian 1 mol gas NH3 menjadi unsur-unsurnya adalah
+46 Kj/mol
-46 Kj/mol
+184 Kj/mol
+ 92 Kj/mol
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