Entalpi reaksi

Quiz
•
Chemistry
•
11th Grade
•
Hard
NAURA SHAFARINA
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Pembakaran 100 mL bensin melepaskan kalor sebesar 275 kJ. ΔH untuk pembakaran 1 liter adalah
A. -275 kJ
B. -2750 kJ
C. +275 kJ
D. +2750 kJ
2.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Diketahui kalor jenis air 1 kal g-30C-1 . Jumlah kalor yang diperlukan untuk menaikkan suhu 50 g air dari 20°C menjadi 60°C adalah..
A. 1 kkal
B. 2 kkal
C. 10 kkal
D. 20 kkal
3.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Perhatikan persamaan reaksi berikut:
2H₂(g) + O₂(g) → 2H₂O(l)
Perubahan materi yang terjadi pada reaksi di atas adalah...
A. Terjadi pertambahan massa
B. Terjadi pengurangan massa
C. Massa tetap
D. Tidak dapat ditentukan
4.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Faktor-faktor yang dapat mempengaruhi laju reaksi adalah..
A. Konsentrasi pereaksi
B. Suhu
C. Luas Permukaan
D. Semua jawaban benar
5.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Suatu reaksi kesetimbangan dinamis ditandai dengan..
A. Reaksi berhenti total
B. Laju reaksi ke kanan lebih cepat dari laju reaksi ke kiri
C. Laju reaksi ke kiri lebih cepat dari laju reaksi ke kanan
D. Konsentrasi pereaksi selalu lebih besar dari konsentrasi produk
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