
Ôn HK2
Authored by hà Nguyễn
Chemistry
9th - 12th Grade
Used 2+ times

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47 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Xác định biến thiên enthalpy của phản ứng sau ở điều kiện chuẩn: CH4(g)+2O2(g)to→CO2(g)+2H2O(g) biết nhiệt tạo thành ΔfH0298của CH4(g) là -74,9 kJ/mol, của CO2(g) là - 393,5 kJ/mol, của H2O(l) là -285,8 kJ/mol.
- 74,9 kJ;
- 965,1 kJ;
- 890,2 kJ;
1040 kJ.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tính biến thiên enthalpy chuẩn của phản ứng: C3H6(g)+H2(g)→C3H8(g) Biết Eb (H-H) = 436 kJ/mol, Eb (C-H) = 418 kJ/mol, Eb (C-C) = 346 kJ/mol, Eb (C=C) = 612 kJ/mol.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Công thức nào sau đây đúng?
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Công thức tính biến thiên enthalpy của phản ứng theo năng lượng liên kết đúng là?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Phát biểu nào sau đây sai?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nhiệt tạo thành chuẩn của khí oxygen trong phản ứng hóa học là?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Biến thiên enthalpy của các phản ứng phụ thuộc vào yếu tố nào?
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