Practice IB Chemistry Topic S1.5 Ideal Gases with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for S1.5 Ideal Gases and mirrors Paper 1A, 1B, 2 style where relevant.
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A gas has a density of 1.25 at 298 K and 100 kPa. What is its molar mass?
Which change causes the greatest increase in pressure of a fixed mass of gas in a sealed container?
What is the effect of increasing temperature on the pressure of a fixed amount of gas in a sealed, constant-volume container?
Which change would cause a sample of gas to behave less ideally?
What happens to the volume of an ideal gas if the pressure is doubled at constant temperature?