Question
Download Solution PDFWhich of the following is true with regard to Gay Lussac's law?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 2) i.e. At constant volume, the pressure of a fixed amount of gas varies directly with temperature.
- In 1809, Joseph Louis Gay- Lussac gave the Gay-Lussac's law or the pressure law also known as Amontons' Law.
- According to this law, at constant volume, the pressure of a fixed amount of gas varies directly with temperature.
- Mathematically it can be represented as P/T = Constant, where P = Pressure and T = Temperature.
Note:
- At constant temperature, the pressure of a fixed amount (i.e., number of moles n) of gas varies inversely with its volume. This is known as Boyle’s law.
- We can write it as PV = k (where k is a constant) or P = k / V.
- At constant pressure, the volume of a fixed mass of gas is directly proportional to its absolute temperature. This is known as Charles's law.
- We can write it as V/T = k (where k is a constant) or V = kT.
Last updated on Jul 9, 2025
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