
Hukum Hess & Energi Ikatan (TGT)

Quiz
•
Chemistry
•
11th Grade
•
Medium
jdguru yachh
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Hess menyatakan bahwa?
Perubahan entalpi reaksi bergantung pada jalur yang ditempuh
Perubahan entalpi reaksi tidak bergantung pada kondisi awal dan akhir
Perubahan entalpi total dari suatu reaksi adalah sama, apakah reaksi itu terjadi dalam satu tahap atau beberapa tahap
Perubahan entalpi adalah nol jika tidak ada perpindahan energi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika suatu reaksi berlangsung melalui dua atau lebih jalur, maka jumlah entalpi reaksinya adalah?
Perbedaan entalpi jalur pertama dan kedua
Jumlah entalpi dari semua tahap reaksi
Hanya entalpi jalur yang tercepat
Entalpi reaksi yang berlangsung pada suhu tertinggi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika ΔH1 = -150 kJ/mol dan ΔH2 = -50 kJ/mol, maka berapa ΔH total untuk reaksi gabungan?
-100 kJ/mol
100 kJ/mol
-200 kJ/mol
200 kJ/mol
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui dua reaksi berikut:
A → B (ΔH = -100 kJ/mol)
B → C (ΔH = -200 kJ/mol)
Hitung ΔH total untuk reaksi: A → C?
-100 kJ/mol
100 kJ/mol
-300 kJ/mol
300 kJ/mol
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui:
H2O2(l) → H2O(l) + ½ O2(g) ∆H = -98,0 kJ
2H2(g) + O2(g) → 2H2O(l) ∆H = -571,6 kJ
Tentukan ∆H reaksi H2(g) + O2(g) → H2O2(l) dengan menggunakan kedua reaksi tersebut!
218 kJ/mol
436 kJ/mol
-187,8 kJ
109 kJ/mol
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui persamaan termokimia
C(s) + ½ O2(g) → CO(g) ∆H = -111 kJ
CO(g) + ½ O2(g) → CO2(g) ∆H = -283 kJ
Tentukan perubahan entalpi standar pembentukan gas CO2!
- 872 kJ
- 498 kJ
-394 kJ
+394 kJ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan diagram berikut!
Berdasarkan diagram tersebut, hubungan antara ΔH1, ΔH2, dan ΔH3 yang benar adalah?
ΔH2 = ΔH1 - ΔH3
ΔH2= ΔH3 + ΔH1
ΔH3 = ΔH1 + ΔH2
ΔH3 = ΔH1 - ΔH2
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