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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-AC-GA-0012 marksL1 FoundationCalculatorIdeal gas equation
Calculate the volume, in m³, occupied by 1.001.00 mol of an ideal gas at 100 000100\,000 Pa and 273273 K. (R=8.31R=8.31)

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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0051 markL1 FoundationCalculatorIdeal gas equation
An assumption of the kinetic theory for an ideal gas is that
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0101 markL1 FoundationCalculatorIdeal gas equation
To use pV=nRTpV=nRT with R=8.31R=8.31, temperature must be in
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0121 markL1 FoundationCalculatorLattices
Copper is a
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0023 marksL2 StandardCalculatorIdeal gas equation
A gas occupies 250 cm3250\ \text{cm}^3 at 120120 kPa and 25 ∘25\,^\circC. Calculate the number of moles. (R=8.31R=8.31)

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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0041 markL2 StandardCalculatorReal gases
Real gases behave most like ideal gases at
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0061 markL2 StandardCalculatorReal gases
Ammonia deviates more from ideal behaviour than helium because
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0071 markL2 StandardCalculatorLattices
Iodine is a
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0081 markL2 StandardCalculatorLattices
Silicon(IV) oxide has a high melting point because
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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0092 marksL2 StandardCalculatorIdeal gas equation
At constant volume, the temperature of a gas rises from 300300 K to 450450 K. If the initial pressure was 100100 kPa, what is the new pressure in kPa?

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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0033 marksL3 ExamCalculatorIdeal gas equation
0.3200.320 g of a gas occupies 200 cm3200\ \text{cm}^3 at 101101 kPa and 300300 K. Calculate its MrM_r. (R=8.31R=8.31)

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Salam Academy Original Practice · Proposed mark scheme
SA-AC-GA-0111 markL3 ExamCalculatorReal gases
At very high pressure, pV/nRTpV/nRT for a gas becomes greater than 1 because
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Salam Academy Original Practice · Proposed mark scheme