
考考你:第35章 赫斯定律

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Chemistry Aristo
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鋁熱反應通常應用於焊接路軌。一個典型鋁熱反應的方程式是:
2Al(s) + Fe₂O₃(s) → Al₂O₃(s) + 2Fe(l)
求出上述反應的標準焓變時,哪些數據是必需的?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中的焓變循環。哪個關係正確?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。以下反應的標準焓變是多少?
C₁₂H₂₂O₁₁(s) + 12O₂(g) → 12CO₂(g) + 11H₂O(l)
B. −3804.3 kJ mol⁻¹
C. −5639.7 kJ mol⁻¹
D. −10 091.9 kJ mol⁻¹
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。以下反應的標準焓變是多少?
2C₃H₄(g) + 4H₂(g) → 2C₃H₈(g)
A. −2x − 4y + 2z
B. −2x + 4y − 2z
C. −2x + 4y + 2z
D. −2x − 4y − 2z
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。
B. −510.7 kJ mol⁻¹
C. −1850.3 kJ mol⁻¹
D. −3565.1 kJ mol⁻¹
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。以下反應的標準焓變是多少?
4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)
A. −1269.2 kJ mol⁻¹
C. −902.0 kJ mol⁻¹
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。圖中反應的標準焓變是多少?
B. −239.0 kJ mol⁻¹
D. −1691.2 kJ mol⁻¹
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中所示的數據。以下反應的標準焓變是多少?
2Na₂O₂(s) → 2Na₂O(s) + O₂(g)
A
B
C
D
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