Calculating gas volumes: 4.3.5 Use of amount of substance in relation to volumes of gases (chemistry only) (HT only): AQA Q&A: GCSE (9:1)
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12 Terms
the pressure inside will be the same each container
Two separate containers contain equal volumes of argon and carbon dioxide gas. Both containers are at the same temperature. What will be true about the two containers?
480 dm³
What is the volume occupied by 20 moles of propane gas at RTP?
7.68 dm³
What is the volume occupied by 0.32 moles of hydrogen gas at RTP?
4.8 dm³
What is the volume occupied by 4 grams of neon (Ar = 20)?
600 cm³
What is the volume occupied by 1.1 grams of carbon dioxide (Mr = 44)?
16.8
What is the mass in grams of 14.4 dm³ of nitrogen gas (Mr = 28)?
0.8
What is the mass in grams of 1200 cm³ methane gas (Mr = 16)?
4.8 dm³
What volume of carbon dioxide can be made from the decomposition of 20 grams of calcium carbonate? (Mr CaCO₃ = 100)?
CaCO₃ → CO₂ + CaO
2.4 dm³ (rtp, previously answer was 4.4 but i think its wrong)
What volume of oxygen can be made from the decomposition of 6.8 grams of hydrogen peroxide (Mr H₂O₂ = 34)?
2H₂O₂ → 2H₂O + O₂
10 dm³
What volume of oxygen would be needed to completely react with 2 dm³ of propane gas?
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
36 dm³
What volume of hydrogen would be needed to completely react with 14 grams of nitrogen?
N₂ + 3H₂ → 2NH₃
100 dm³
2 dm³ of oxygen is required to completely combust 1 dm³ of methane gas. If we approximate air to contain 20% oxygen, what volume of air would be needed to react with 10 dm³ methane?