Quantitative ChemistryHigh Exam FrequencyAQA
Gas Volume
Topic 19: Gas Volume
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1Introduction2Diagram3How It Works4Worked Example5Definitions6Key Facts7Misconceptions8Memory Aid9Exam Focus10Exam Tips11Summary
The Universal Gas Constant
Gas Volume at RTP
How It Works: Why 1 Mole of Any Gas = 24 dm³
Worked Examples
Key Definitions
Key Facts to Memorise
Common Misconceptions
Memory Aids
Exam Focus
Exam Tips for Gas Volumes
Topic Summary: Gas Volumes
Sample Flashcards
How do you convert cm³ to dm³?
Divide by 1000
1 dm³ = 1000 cm³
Example: 2400 cm³ = 2.4 dm³
What is the molar gas volume at RTP?
24 dm³/mol (or 24,000 cm³/mol)
One mole of ANY gas occupies 24 dm³ at room temperature and pressure
Sample Questions
What is the molar gas volume at RTP (room temperature and pressure)?
Explain why the molar gas volume of 24 dm³/mol is only valid at RTP.
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