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2.1.2a Particle structure and motion in solids, liquids and gases

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Question 57

An investigator has a container of liquid water at room temperature.

a.

Describe the arrangement, separation and motion of the particles in a liquid.

[3]
b.

The investigator heats the liquid. State the effect, if any, of heating on the kinetic energy of the particles in the liquid.

[1]
c.

State the name of the temperature at which the particles have their minimum possible kinetic energy.

[1]
d.

State the value of this temperature in degrees Celsius, including the unit.

[1]
e.

The container is designed to minimize heat loss by thermal radiation from its surface.

State two features of a surface that make it a poor emitter of thermal radiation.

[2]
Markscheme

2.1.2a Particle structure and motion in solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.1.2a Particle structure and motion in solids, liquids and gases

151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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