Lab equipment under pressure includes any closed container designed to hold gases or liquids at a pressure substantially higher or lower than the ambient pressure. Examples include glassware, ...

The air pressure increases because more air particles are being added to the inside of the tyre. Pressure is caused by gas or liquid particles ... This is an example of a hypothesis because ...

This step looks at the behaviour of a fixed quantity of gas under varying ... the outward pressure and is usually greater than normal atmospheric pressure outside the container. Examples of ...