A sample of gas is sealed inside a rigid steel container. The container is heated. The volume of the container does not change.
Statement 1: the gas particles move faster on average
Statement 2: the average distance between the gas particles increases
Statement 3: the gas particles hit the walls of the container more often
Which statements are correct?
1 only
1 and 2 only
1 and 3 only
1, 2 and 3
84 exam-style questions on Edexcel GCSE Chemistry 3.1 States of matter, covering 3.1.1 The three states of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.