Hukum Hess menyatakan kalor yang dibebaskan atau diperlukan pada suatu reaksi tidak bergantung pada jalannya reaksi tetapi....

Penentuan Perubahan Entalpi

Quiz
•
Others
•
11th Grade
•
Medium
Noni Dwi Tifani
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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