Respuesta :
Answer:
The correct answer is the amount of gas or number of moles of gas.
Explanation:
Boyle s law:
Boyle's law describes that at constant temperature and amount of gas, the pressure and volume of gas are inversely proportional to each other.
Charles's law:
It described that at constant pressure and number of moles of gas, the temperature and volume of gas are directly proportional to each other.
Gay-Lussac's law:
According to this law at constant volume and amount of gas, the temperature and pressure are directly proportional.
Hence according to above described 3 laws, the moles or mount of gas remains constant.
For Boyle's law, the quantity held constant is the temperature
For Charles's law, the quantity held constant is the pressure
For Gay-Lussac's law, the quantity held constant is the volume
Gas laws
From the question, we are to determine which quantity is held constant for each law.
To determine which quantity is held constant, we will state each of the laws.
- Boyle's law states that the volume of a fixed mass of gas is inversely proportional to the pressure, provided that the temperature remains constant.
Thus, for Boyle's law, the quantity held constant is the temperature.
- Charles's law states that the volume of a fixed mass of gas is directly proportional to the temperature (in Kelvin), provided that the pressure remains constant.
Thus, for Charles's law, the quantity held constant is the pressure.
- Gay-Lussac's law states that the pressure of a given mass of gas varies directly with the absolute temperature of the gas, provided that the volume remains constant.
Thus, for Gay-Lussac's law, the quantity held constant is the volume.
Hence,
For Boyle's law, the quantity held constant is the temperature
For Charles's law, the quantity held constant is the pressure
For Gay-Lussac's law, the quantity held constant is the volume
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