10分鐘小測:第35章 赫斯定律

10分鐘小測:第35章 赫斯定律

9th - 12th Grade

10 Qs

quiz-placeholder

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10分鐘小測:第35章 赫斯定律

10分鐘小測:第35章 赫斯定律

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

Created by

Chemistry Aristo

FREE Resource

10 questions

Show all answers

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?
A. N₂(g) + 2H₂(g) → N₂H₄(g)
B. CH₃CH₂CH₂CH₂CH₃(l) + 8O₂(g) → 5CO₂(g) + 6H₂O(l)
C. MgO(s) + H₂SO₄(aq) → MgSO₄(aq) + H₂O(l)
D. CH₃COOH(aq) + NH₃(aq) → CH₃COONH₄(aq)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

方程式表示環己烷的完全燃燒。

A. +127 kJ mol⁻¹
B. +3240 kJ mol⁻¹
C. –156.2 kJ mol⁻¹
D. –4599 kJ mol⁻¹

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. 2ab

C. ab

D. ba

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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)

A. +478.9 kJ mol⁻¹
B. −478.9 kJ mol⁻¹
C. +55.2 kJ mol⁻¹
D. −55.2 kJ mol⁻¹

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

考慮圖中的焓變循環。哪個關係正確?

A
B
C
D

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

A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)

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)

A. −947 kJ mol⁻¹
B. +361 kJ mol⁻¹
C. +511 kJ mol⁻¹
D. +947 kJ mol⁻¹

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