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7.2 - Mole and Gas Volumes Part 2

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✅EvaluateQuestion 1 of 21

What is the molar volume of a gas at room temperature and pressure (r.t.p.)?

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✅EvaluateQuestion 2 of 21

At standard temperature and pressure (s.t.p.), one mole of gas occupies:

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✅EvaluateQuestion 3 of 21

Which of the following gases will occupy the same volume under the same conditions of temperature and pressure?

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✅EvaluateQuestion 4 of 21

What is the formula for finding the number of moles from a gas volume at r.t.p.?

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✅EvaluateQuestion 5 of 21

The term ‘molar volume’ refers to:

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✅EvaluateQuestion 6 of 21

1 mole of oxygen gas contains how many molecules?

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✅EvaluateQuestion 7 of 21

What is the number of moles in 48 dm³ of oxygen gas at r.t.p.?

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✅EvaluateQuestion 8 of 21

What volume is occupied by 0.5 mol of carbon dioxide gas at r.t.p.?

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✅EvaluateQuestion 9 of 21

Which of the following pairs of conditions gives the smallest gas volume?

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✅EvaluateQuestion 10 of 21

Which law states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules?

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✅EvaluateQuestion 11 of 21

Calculate the volume of 3 moles of hydrogen gas at r.t.p.

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✅EvaluateQuestion 12 of 21

0.25 mol of nitrogen gas occupies what volume at r.t.p.?

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✅EvaluateQuestion 13 of 21

How many moles are in 12 dm³ of oxygen gas at s.t.p.?

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✅EvaluateQuestion 14 of 21

A student collects 240 cm³ of hydrogen gas at r.t.p. How many moles is this?

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✅EvaluateQuestion 15 of 21

A reaction produces 0.4 mol of oxygen gas. What volume of gas is formed at s.t.p.?

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✅EvaluateQuestion 16 of 21

If 2 mol of calcium carbonate decompose completely, what volume of CO₂ gas is produced at r.t.p.? (CaCO₃ → CaO + CO₂)

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✅EvaluateQuestion 17 of 21

A reaction yields 6.02 × 10²³ molecules of hydrogen gas. What volume of gas is this at r.t.p.?

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✅EvaluateQuestion 18 of 21

What is the mass of 22.4 dm³ of oxygen gas at s.t.p.? (O₂ = 32 g/mol)

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✅EvaluateQuestion 19 of 21

What volume of hydrogen gas at r.t.p. will react with 24 dm³ of oxygen to form water? (2H₂ + O₂ → 2H₂O)

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✅EvaluateQuestion 20 of 21

If 0.25 mol of hydrogen gas occupies 6 dm³, what volume will 1 mol occupy at the same conditions?

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✅EvaluateQuestion 21 of 21

A 0.1 mol sample of ammonia gas occupies 2.4 dm³. What would 1 mol occupy at the same conditions?

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✅EvaluateQuestion 1 of 21

What is the molar volume of a gas at room temperature and pressure (r.t.p.)?

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