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Use Of Amount Of Substance In Relation To Volumes Of Gases (chemistry Only) (ht Only) (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Use Of Amount Of Substance In Relation To Volumes Of Gases (chemistry Only) (ht Only)' from the broader topic Quantitative Chemistry. The test is geared towards the AQA exam board style syllabus.
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A student measures 600 cm3 of hydrogen at RTP produced from reacting magnesium with acid. How many molecules of hydrogen is this? (Use 24 dm3 = 24 000 cm3 per mole and Avogadro 6.02×10^23.)
A sealed bag contains 2.4 × 10^23 molecules of an ideal gas at RTP. What is the volume (dm3) of the gas?
A gas reaction at RTP gave 36.0 dm3 of product gas. If that product corresponds to 1.50 mol, what molar volume (dm3 mol-1) was used by the student?
A reaction produces 30.0 cm3 of a gas at RTP over 10.0 seconds. What is the rate in cm3 s-1 and in mol s-1?
When 6.00 dm3 of hydrogen gas (RTP) reacts with excess nitrogen to make ammonia, how many moles of hydrogen are used? (Use 24 dm3 per mole at RTP.)
A cylinder contains 2.00 mol of helium gas at RTP. What volume does it occupy (dm3)?
A student collects 15.0 cm3 of oxygen gas at RTP. What mass (in grams) of oxygen (O2) has been collected? (Ar O = 16)
A flask contains 0.750 mol of oxygen. If the gas is compressed isothermally to half its original volume at RTP, how many moles change?
1.20 g of hydrogen gas (H2) is collected at RTP (24 dm3 per mole). What volume does this hydrogen occupy? (Ar: H = 1)
If 0.0600 mol of gas at RTP occupies 1.44 dm3, what molar volume did the student effectively use?
A gas syringe contains 40.0 cm3 of carbon monoxide at RTP. How many moles of CO does this represent?