Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

A glass bottle that has been sealed contains air. The air temperature is $21\,^{\circ}\text{C}$.
(a)[2]

Calculate the temperature of the air in kelvin.

(b)[4]

State and explain what happens to the pressure inside the bottle. Use your ideas about gas particles.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Convert to kelvin: 273 + 21” …

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