
考考你:第38章 常温常壓 (r.t.p.) 下氣體的摩爾體積
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關摩爾體積的陳述正確?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在常温常壓下,600 cm³的Cl₂所含分子的摩爾數是多少?
(在常温常壓下,氣體的摩爾體積 = 24 dm³ mol⁻¹)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在常温常壓下,下列哪些體積的氣體所含原子的摩爾數與0.5 mol的N₂O所含的相同?
(在常温常壓下,氣體的摩爾體積 = 24 dm³ mol⁻¹)
(1) 24 dm³的Ne
(2) 6000 cm³的N₂O₄
(3) 7200 cm³的CH₄
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把0.1 g的碳酸鈣加入過量稀氫氯酸時,所生成氣體的體積會是多少(在常温常壓下量度)?
(相對原子質量:C = 12.0、O = 16.0、Ca = 40.1;在常温常壓下,氣體的摩爾體積 = 24 dm³ mol⁻¹)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下反應:
C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(l)
下列哪些有關這反應的陳述正確?
(1) 1 mol的C₃H₈(g)需要5 mol的O₂(g)來完全燃燒。
(2) 100 cm³的C₃H₈(g)需要500 cm³的O₂(g)來完全燃燒。
(3) 300 cm³的C₃H₈(g)進行完全燃燒時會生成900 cm³的CO₂(g)。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20 cm³的X₂(g)與50 cm³的O₂(g)反應只產生20 cm³的Y(g)。假設所有氣體的體積都是在相同的温度及壓強下量度,Y的分子式是甚麼?
A. XO
B. X₂O
C. X₂O₅
D. X₅O₂
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把由50 cm³的乙烷和80 cm³的丙烷組成的混合物在過量的氧中燃燒,所生成二氧化碳的總體積是多少(在常温常壓下量度)?
(提示:所涉及反應的各化學方程式提供如下:)
2C₂H₆(g) + 7O₂(g) → 4CO₂(g) + 6H₂O(l)
C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(l)
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