According to Charles's Law, how does the volume of a gas relate to its absolute temperature at constant pressure?

Charles's Law describes the relationship between the volume of a gas and its absolute temperature when pressure is held constant. According to this law, the volume of a gas increases as its absolute temperature increases. This directly proportional relationship means that if the temperature rises, the gas particles move more vigorously, causing the gas to occupy a larger volume. Conversely, if the temperature decreases, the volume also decreases.

This concept is crucial in understanding gas behavior in various applications, particularly in aviation and emergency medical services where gases are often involved in different conditions. Recognizing that volume and temperature are directly proportional under constant pressure helps predict how gases will respond when conditions change, which is essential knowledge for flight paramedics.