
Hukum Hess Quiz

Quiz
•
Chemistry
•
Professional Development
•
Hard
Jarwati Jarwati
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Hess menyatakan bahwa kalor reaksi hanya bergantung pada keadaan awal dan keadaan akhir, tidak peduli pada lintasan atau reaksi mana. Hukum Hess dapat dinyatakan dalam bentuk apa?
Diagram siklus
Diagram garis lurus
Diagram batang
Diagram lingkaran
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa nilai entalpi reaksi jika Delta H2 dikurangi Delta H3, dengan kondisi awal grafit 22 dan akhirnya C?
Delta H1
Delta H3
Delta H2
Delta H4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menentukan nilai entalpi berdasarkan hukum Hess?
Dari perhitungan matematis rumit
Melalui suatu percobaan
Dari kalor reaksi-reaksi lain yang berhubungan yang sudah diketahui nilai entalpinya
Dari pengamatan langsung reaksi kimia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui data 3 persamaan reaksi yang sudah memiliki nilai entalpinya. Bagaimana menentukan entalpi reaksi dari C2 H4 + F2 menjadi CF4 dan HF?
Mengalikan nilai entalpi reaksi dengan 2
Mengurangi nilai entalpi reaksi dengan 2
Membagi nilai entalpi reaksi dengan 2
Menjumlahkan nilai entalpi reaksi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi pada nilai entalpi jika persamaan reaksi di balik?
Nilainya berlawanan
Nilainya menjadi nol
Nilainya tetap sama
Nilainya berlipat ganda
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa nilai Delta H jika persamaan reaksi C2 H4 gas + F2 gas menjadi CF4 gas + 2HF gas memiliki nilai entalpi -2486,3 kJ?
-2486,3 kJ
-1243,15 kJ
-3729,45 kJ
-4965,8 kJ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi pada nilai entalpi jika koefisien reaksi dikalikan?
Nilainya tetap
Nilainya berlipat ganda
Nilainya menjadi nol
Nilainya berlawanan
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