Charles's law
Charles's Law (pronounced: charlziz law) is a gas law that describes how gases tend to expand when heated. It is also known as the law of volumes. The law was first published by French natural philosopher Joseph Louis Gay-Lussac in 1802, but it was later attributed to British scientist Jacques Charles, who had formulated a similar law independently.
Etymology
The term "Charles's Law" is named after Jacques Charles, a French inventor, scientist and mathematician. He is most known for his work in the field of gas dynamics. The law was first formulated by Charles in the 1780s but was published by Joseph Louis Gay-Lussac.
Definition
Charles's Law states that the volume of a given mass of an ideal gas is directly proportional to its temperature on an absolute scale, provided its pressure remains constant. This can be written as:
V ∝ T (at constant pressure)
where:
- V is the volume of the gas,
- T is the temperature of the gas (measured in Kelvin).
Related Terms
- Ideal Gas Law: An equation of state for a gas, which also considers the amount of gas present.
- Boyle's Law: Another gas law, which states that the pressure and volume of a gas have an inverse relationship when temperature is held constant.
- Gay-Lussac's Law: A gas law that states that the pressure of an ideal gas is directly proportional to its absolute temperature, provided its volume remains constant.
See Also
References
- Charles's Law. (n.d.). In Encyclopædia Britannica. Retrieved from https://www.britannica.com/science/Charless-law
- Charles's Law. (n.d.). In Wikipedia. Retrieved from https://en.wikipedia.org/wiki/Charles%27s_law
External links
- Medical encyclopedia article on Charles's law
- Wikipedia's article - Charles's law
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