2.1.3a The absolute scale of temperature

Complete the following sentences about the kinetic model of matter.

(i) In a gas, the motion of the particles is rapid and ___________.

(ii) Compared to a solid, the attractive forces between the particles in a gas are extremely ___________.

(iii) A gas exerts a pressure on the container walls because the moving gas particles ___________ with the walls.

(iv) If the temperature of a gas in a sealed container of fixed volume increases, the pressure exerted by the gas ___________.

[4]

(i) State the temperature, in kelvin ( $K\text{K}$ ), of the lowest possible temperature (absolute zero).

(ii) State this lowest possible temperature in degrees Celsius ( $∘C^{\circ}\text{C}$ ).

[2]

Complete the following sentences about the kinetic model of matter.

(i) In a gas, the motion of the particles is rapid and ___________.

(ii) Compared to a solid, the attractive forces between the particles in a gas are extremely ___________.

(iii) A gas exerts a pressure on the container walls because the moving gas particles ___________ with the walls.

(iv) If the temperature of a gas in a sealed container of fixed volume increases, the pressure exerted by the gas ___________.

(i) State the temperature, in kelvin ( $K\text{K}$ ), of the lowest possible temperature (absolute zero).

(ii) State this lowest possible temperature in degrees Celsius ( $∘C^{\circ}\text{C}$ ).

[2]

2.1.3a The absolute scale of temperature Questions