Question 4 – Ideal gas molecules - Edexcel Physics Questions

The molecules in solids, liquids, and gases exhibit distinct behaviors and microscopic structures.

Identify the state of matter corresponding to each of the following descriptions:

The molecules are closely packed in a highly ordered lattice, vibrating about fixed positions.
The molecules are in a disordered, closely packed arrangement and are free to slide past one another.
The intermolecular forces are negligible, allowing the molecules to move rapidly and fill any container.

Substance Y is a gas at room temperature.

At a temperature of $−160∘C-160^\circ\text{C}$ , Substance Y can exist simultaneously in thermodynamic equilibrium as a solid, a liquid, and a gas. This unique state is known as the triple point of Substance Y.

Copy and complete the table to determine the missing temperatures:

Condition	Temperature in $∘C^\circ\text{C}$	Temperature in kelvin
Maximum operating limit	...	318
Triple point of Substance Y	-160	...

State what happens to the average kinetic energy of the gas molecules as the temperature is increased from the triple point of Substance Y to the maximum operating limit.

State what happens to the actual volume of an individual molecule of Substance Y when the gas condenses to a liquid at the triple point.

The molecules in solids, liquids, and gases exhibit distinct behaviors and microscopic structures.

Identify the state of matter corresponding to each of the following descriptions:

The molecules are closely packed in a highly ordered lattice, vibrating about fixed positions.
The molecules are in a disordered, closely packed arrangement and are free to slide past one another.
The intermolecular forces are negligible, allowing the molecules to move rapidly and fill any container.

Substance Y is a gas at room temperature.

Copy and complete the table to determine the missing temperatures:

Condition	Temperature in $∘C^\circ\text{C}$	Temperature in kelvin
Maximum operating limit	...	318
Triple point of Substance Y	-160	...

State what happens to the average kinetic energy of the gas molecules as the temperature is increased from the triple point of Substance Y to the maximum operating limit.

State what happens to the actual volume of an individual molecule of Substance Y when the gas condenses to a liquid at the triple point.

Ideal gas molecules

Question 1

Ideal gas molecules

Question 1

Ideal gas molecules

Question 1

Ideal gas molecules Questions

Ideal gas molecules

Question 1

Ideal gas molecules Questions