May/June 2026 Paper 41

2026 · 10 questions · 45 parts · 100 marks

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1(a)1(b)(i)1(b)(ii)1(b)(iii)1(b)(iv)

–/10 mks

2(a)2(b)(i)2(b)(ii)2(c)2(d)(i)2(d)(ii)2(d)(iii)

–/13 mks

3(a)3(b)(i)3(b)(ii)3(c)

–/10 mks

4(a)(i)4(a)(ii)4(b)(i)4(b)(ii)

–/9 mks

–/8 mks

6(a)6(b)(i)6(b)(ii)6(c)(i)6(c)(ii)6(d)

–/12 mks

7(a)(i)7(a)(ii)7(b)

–/8 mks

8(a)8(b)(i)8(b)(ii)8(b)(iii)8(b)(iv)8(c)

–/13 mks

9(a)9(b)(i)9(b)(ii)

–/9 mks

10(a)10(b)(i)10(b)(ii)10(b)(iii)

–/8 mks

3(a)Temperature Internal Energy Heat CapacityEasy2 marks

State what is meant by the internal energy of a system.

Answer

0 words

3(b)(i)Gas Laws Kinetic TheoryEasy2 marks

An ideal gas containing

8.7 \times 1 0^{23}

molecules is at a temperature of

300 K

and a pressure of

2.0 \times 1 0^{5} Pa

. Show that the volume of the gas is

0.018 m^{3}

.

Draw with the mouse or a finger.

3(b)(ii)Gas Laws Kinetic TheoryMedium3 marks

Determine the internal energy of the gas. Explain your reasoning.

Explain your reasoning

0 words

3(c)Laws ThermodynamicsMedium3 marks

The gas in 3(b) undergoes a sequence of changes AB, BC and CA in its pressure

p

and volume

V

, as shown in Figure 3.1.

Figure 3.1, a graph of pressure $p$ (in $10^{5}$ Pa) against volume $V$ (in m$^{3}$) showing a cycle: point B at about (0.009, 4), a curve down to point A at about (0.018, 2) with an arrow pointing from A towards B, a horizontal line with an arrow from C at about (0.009, 2) to A, and a vertical line with an arrow from B down to C

Determine three conclusions that can be drawn from Figure 3.1 about the individual and overall effects of these changes on the energy of the gas. The conclusions may be qualitative or quantitative, and may refer to any of work done, transfer of thermal energy and change in internal energy.

Answer

0 words