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2.1 Kinetic particle model of matter

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Question 25

The volume of a gas is measured at different absolute temperatures.

The volume V V\,V and the absolute temperature T T\,T of the gas are found to be related by the equation:

VT=constant \frac{V}{T} = \text{constant} TV​=constant

Which quantities are kept constant and which quantities change as the volume of the gas changes?

A

Density: constant; Mass: constant; Pressure: changed

B

Density: constant; Mass: changed; Pressure: constant

C

Density: changed; Mass: constant; Pressure: constant

D

Density: changed; Mass: changed; Pressure: constant

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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