A sample of pure nitrogen undergoes a phase transition from a liquid to a gas at its boiling point of −196 ∘C-196\,^\circ\text{C}−196∘C.
Which row in the table correctly compares the properties of the gaseous state to those of the liquid state?
| Density of gaseous nitrogen compared to liquid nitrogen | Average spacing of molecules in the gas compared to the liquid | Mass of an individual nitrogen molecule in the gas compared to the liquid | |
|---|---|---|---|
| Row A | Lower | Greater | Unchanged |
| Row B | Lower | Greater | Smaller |
| Row C | Higher | Smaller | Unchanged |
| Row D | Higher | Greater | Larger |
Row A
Row B
Row C
Row D
55 exam-style questions on Edexcel GCSE Physics 14.1 Density and states of matter, covering 14.1.1 Kinetic theory and states of matter, 14.1.2 Density, and 14.1.3 Density and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.