What happens to liquid propane when heat is added to it?

When heat is added to liquid propane, it expands. This occurs because the added heat energy increases the kinetic energy of the propane molecules, causing them to move more rapidly. As the molecules gain energy, they begin to push apart from each other, which results in a physical expansion of the liquid.

This principle of expansion in response to heat is fundamental in understanding the behavior of gases and liquids. In the case of propane, as it heats, it can also start to transition from a liquid state to a gaseous state, but the key focus here is on the immediate result of expansion due to the increase in temperature.

Understanding this expansion is crucial in handling propane safely, as it can have significant implications for containment and pressure management in propane systems.