Gases have various properties that we can observe with our senses, including the gas pressure, temperature T , mass, and the volume V that contains the gas. Careful, scientific observation has determined that these variables are related to one another and that the values of these properties determine the state of the gas. The relationship between temperature and volume, at a constant number of moles and pressure, is called Charles and Gay-Lussac's Law in honor of the two French scientists who first investigated this relationship. Charles did the original work, which was verified by Gay-Lussac. They observed that if the pressure is held constant, the volume V is equal to a constant times the temperature T :. For example, suppose we have a theoretical gas confined in a jar with a piston at the top.
The Combined Gas Law
Learn Gay-Lussac's Law tutorial, example, formula
Advertisement I deal gases initially have pressure Advertisement P and temperature T. The gas undergoes the isochoric process so that the final pressure becomes 4 times the initial pressure. What is the final temperature of the gas? Known :. Wanted: Final temperature T 2. Solution :. The final temperature becomes 4 times the initial temperature.
High School Chemistry : Using Gay-Lussac's Law
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Some real-life examples of Gay-Lussac's law are the rupture of a pressure cooker, an aerosol can, and a tyre. All these substances explode when expose to higher temperatures. The scientific reason behind the explosion is explained by Gay-Lussac's Law. Gay-Lussac's law is the law that says the pressure of gas increases with its temperature, or vice versa. Gay-Lussac published his experimental results in c.