Properties of Matter - N5 Physics

What is the specific heat capacity of a material?

• The energy needed to change 1 kg of a solid to a liquid.

• The energy needed to change the temperature of 1 kg by 1℃.

• The energy needed to change 1 kg of a liquid to a gas.

• The temperature change of 1 kg.

What is the unit of specific heat capacity?

• J kg^-1

• ° C

• K

• J kg^-1 °C^-1

What is the latent heat of fusion?

• The energy needed to change 1 kg of a substance from a liquid to a gas.

• The energy needed to changed 1 kg of a substance from solid to a liquid.

• The energy needed to change 1 kg of a liquid to a solid.

• The energy needed to change the temperature of 1 kg of a substance by 1 °C.

What is the unit of latent heat?

• °C

• J kg ^-1

• K

• J kg^-1 °C^-1

What is the latent heat of vaporisation?

• The energy required to change the temperature of 1 kg by 1 °C.

• The energy required to change 1 kg from a solid to liquid.

• The energy required to change 1 kg from a liquid to solid.

• The energy required to change 1 kg from a liquid to a gas.

Pressure is defined as

• The force per unit area.

• The force per unit time.

• The force per unit temperature.

• The force per unit volume.

Absolute zero occurs at

• 0 °C

• 0 K

• • 273 K

• -273 °C

The pressure of a fixed mass of gas is 6·0 x 10⁵ Pa.
The temperature of the gas is 27 ºC and the volume of the gas is 2·5 m³.
The temperature of the gas increases to 54 ºC and the volume of the gas increases
to 5·0 m³.
What is the new pressure of the gas?

• 2·8 x 10⁵ Pa

• 3·3 x 10⁵ Pa

• 6·0 x 10⁵ Pa

• 1·1 x 10⁶ Pa

• 1·3 x 10⁶ Pa

A student is investigating the relationship between the volume and the kelvin temperature
of a fixed mass of gas at constant pressure.
Which graph shows this relationship?

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A liquid is heated from 17 ºC to 50ºC. The temperature rise in kelvin is

• 33 K

• 67 K

• 306 K

• 340 K

• 579 K