A-LevelChemistryStates of matter9701/12 · Oct/Nov 2022 · Q151 Mark

Which graph represents the variation of pressure p and volume V of a sample of an ideal gas at constant temperature?

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Agraph with p on the y-axis and V on the x-axis, showing a straight line with negative slope.

Bgraph with p on the y-axis and V on the x-axis, showing a straight line with positive slope.

Cgraph with p on the y-axis and V on the x-axis, showing a curve with negative slope, concave down.

Dgraph with p on the y-axis and V on the x-axis, showing a curve with negative slope, concave up.

✓ Correct answer

D: graph with p on the y-axis and V on the x-axis, showing a curve with negative slope, concave up.

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 2, question 15.

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