10分鐘小測:第35章 赫斯定律
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個反應的焓變必須透過間接方法來測定?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
方程式表示環己烷的完全燃燒。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知:
P₄(s) + 3O₂(g) → P₄O₆(s) ΔH = a kJ mol⁻¹
P₄(s) + 5O₂(g) → P₄O₁₀(s) ΔH = b kJ mol⁻¹
一摩爾的P₄O₆被氧氧化,生成P₄O₁₀,氧化的焓變是多少?
A. a + b
B. 2a − b
C. a − b
D. b − a
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知圖中的數據。四氟化硫的水解的標準焓變是多少?
SF₄(g) + 2H₂O(l) → SO₂(g) + 4HF(g)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中的焓變循環。哪個關係正確?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下方程式表示在催化轉化器內所發生的反應。
2NO(g) + 2CO(g) → N₂(g) + 2CO₂(g)
運用赫斯定律來計算以上反應的焓變時,需要下列哪些資料?
(1) 一氧化碳的燃燒焓變
(2) 一氧化氮的生成焓變
(3) 二氧化碳的生成焓變
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
兩個涉及氫的反應的焓變如下所示:
C(石墨) + 2H₂(g) → CH₄(g) ΔH₁ = −75 kJ mol⁻¹
H₂(g) → 2H(g) ΔH₂ = +436 kJ mol⁻¹
以下反應的焓變是多少?
CH₄(g) → C(石墨) + 4H(g)
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