Gases and the absolute scale of temperature: past paper questions
Real questions on gases and the absolute scale of temperature
The newest 20 of 33 written questions. Open one to see it on the real paper.
- 0625/31 · May/June 2026 · Q5c[2]
The temperature of the hot air above the flame is 120 °C. Determine the value of 120 °C in kelvin. temperature = K
See it on the paper → - 0625/32 · May/June 2026 · Q4b(i)[1]
State the term for the lowest possible temperature.
See it on the paper → - 0625/32 · May/June 2026 · Q4b(ii)[1]
State the value, in °C, of the lowest possible temperature. lowest possible temperature = °C
See it on the paper → - 0625/33 · May/June 2026 · Q4b(i)[1]
State the term for the lowest possible temperature.
See it on the paper → - 0625/33 · May/June 2026 · Q4b(ii)[1]
State the value, in °C, of the lowest possible temperature. lowest possible temperature = °C
See it on the paper → - 0625/42 · May/June 2026 · Q2b(ii)[1]
The temperature of the air at the balloon’s highest point above the Earth is 228 K. Determine, in °C, the temperature of the air at this height. temperature = °C
See it on the paper → - 0625/42 · May/June 2026 · Q11c(ii)[2]
A distant galaxy is 1.6 × 10 8 light-years away from the Earth. The current estimate for the Hubble constant is 2.2 × 10 –18 per second. Calculate the speed at which this galaxy moves away from the Earth. Give your answer in m / s. speed = m / s
See it on the paper → - 0625/32 · May/June 2025 · Q4b(i)[1]
State the value, in degrees Celsius, of the lowest possible temperature. lowest possible temperature = °C
See it on the paper → - 0625/32 · May/June 2025 · Q4b(ii)[1]
State the term used for the lowest possible temperature.
See it on the paper → - 0625/33 · May/June 2025 · Q4b(i)[1]
State the value, in degrees Celsius, of the lowest possible temperature. lowest possible temperature = °C
See it on the paper → - 0625/33 · May/June 2025 · Q4b(ii)[1]
State the term used for the lowest possible temperature.
See it on the paper → - 0625/32 · February/March 2025 · Q6d[1]
The water is heated until it is boiling. The air pressure in the room is standard atmospheric pressure. State the temperature at which the water boils. temperature = °C
See it on the paper → - 0625/33 · October/November 2024 · Q5a(i)[3]
Complete Table 5.1 by writing the correct temperature for each definition. Table 5.1 definition temperature / °C pure ice melting at standard atmospheric pressure the lowest possible temperature of matter pure water boiling at standard atmospheric pressure
See it on the paper → - 0625/33 · October/November 2024 · Q5a(ii)[2]
The temperature of air in a room is 15 °C. Calculate the temperature of the air in kelvin. temperature = K
See it on the paper → - 0625/32 · February/March 2024 · Q5b[3]
The temperature of the petrol gas inside the metal container increases. State and explain any change in the pressure of the petrol gas on the metal container.
See it on the paper → - 0625/42 · February/March 2024 · Q3b[3]
A gas cylinder contains helium gas at a pressure of 2.0 × 10 6 Pa. A volume of 0.026 m 3 of the compressed gas is released from the cylinder into balloons. Each balloon contains 0.015 m 3 of helium at atmospheric pressure (1.0 × 10 5 Pa). The temperature remains constant. Calculate the maximum number of balloons that c...
See it on the paper → - 0625/43 · October/November 2023 · Q4a(i)[1]
State the name of this lowest possible temperature.
See it on the paper → - 0625/43 · October/November 2023 · Q4a(ii)[2]
Nitrogen boils at 77 K. Calculate the boiling point of nitrogen on the Celsius scale. boiling point = °C
See it on the paper → - 0625/43 · October/November 2023 · Q4b[4]
The temperature of a fixed mass of gas at constant volume changes from 300 K to 400 K. State and explain, in terms of particles, the effect on the pressure of the gas. statement explanation
See it on the paper → - 0625/43 · October/November 2023 · Q4c[2]
A sample of gas is at a pressure of 120 kPa. The volume of the gas is doubled at constant temperature. Calculate the new pressure of the gas. pressure =
See it on the paper →
What examiners said
(i)(ii) Candidates generally lacked knowledge of this section of the kinetic particle model of matter. Common incorrect answers were, for (i): zero, and for (ii): freezing point or Kelvin.
— Examiner report, May/June 2025, 0625/32 Q4(b) (Cambridge)
(i)(ii) Candidates generally lacked knowledge of this section of the kinetic particle model of matter. Common incorrect answers were, for (i): zero, and for (ii): freezing point or Kelvin.
— Examiner report, May/June 2025, 0625/32 Q4(b) (Cambridge)
(i)(ii) Candidates generally lacked knowledge of this section of the kinetic particle model of matter. Common incorrect answers were, for (i): zero, and for (ii): freezing point or Kelvin.
— Examiner report, May/June 2025, 0625/33 Q4(b) (Cambridge)
Past papers, syllabus and examiner reports © UCLES (Cambridge University Press & Assessment). Questions are matched to topics from the official syllabus. AssessPro is independent and not endorsed by Cambridge.