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The Gay-Lussac’s law was founded by "Joseph Louis Gay-Lussac" in 1802. He was a French man, a chemist and a physicist, and a professor by profession. He derived the law of expansion of gases when heated and was also involved in the upgradation of various tools like barometer and thermometer. His other discoveries were on the reactivity of gases especially in the formation of CO2 and H2O.
Do you know? – As an honor to his contributions, Gay-Lussac’s name was inscribed on the Eiffel Tower, which is one of the 8 wonders of the world.
Gay Lussac’s law defines the relationship between the pressure and temperature of a gas. As per this law, “The pressure of a given gas is proportional to its temperature, at a constant volume.”
This law is mathematically represented as:
We now know that this law states that the pressure of a given gas is directly proportional to its temperature: i, e. P ~ T or PT = k, where k is constant (which is the volume of the gas).
This law can be derived from Charles law and Boyle’s law as below:Initially P × T = k
The pressure of gases here is measured using a unit called atm. An atmosphere (atm) is a measuring unit for pressure depending on the average atmospheric pressure at the sea level. Altitude and temperature are few of the various conditions on which the actual atmospheric pressure depends on.
Kelvin (denoted with symbol K) is a standard international unit in the measurement of thermodynamic temperature. Kelvin is defined as a fractional value of 1/273.16 of the thermodynamic temperature of the triple point of water temperature, or in other words, the triple point of water temperature is 273.16 K.
Some of the situations in our day to day life where we encounter this law knowingly or unknowingly are:
Some of the applications of Gay-Lussac’s law include the following:
Gay Lussac law is a key criterion for understanding the physics of gases. It is an important concept in many important subjects such as meteorology and organic chemistry. Hence, it is mandatory that one has ample practice about the calculations involved.
CalculatorHut’s free online Gay-Lussac’s calculator lets you calculate the various unknown parameters of Gay-Lussac’s law. You can calculate results easily in any unit of temperature and pressure. If you are preparing for exams or need help for Chemistry assignments, CalculatorHut’s Gay-Lussac calculator would be of immense help. When you are solving problems based on this concept, this online Gay-Lussac’s calculator for free also helps you to verify whether the results that you got are correct or not. With CalculatorHut’s free online chemistry calculators, chemistry is no tougher. Sounds cool, what say?
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