Concept explainers
Interpretation: The combined gas law needs to be explained. The condition when it is applied needs to be determined.
Concept Introduction: The combined gas law is combination of three
Explanation of Solution
The three gas laws are explained as follows:
Boyle’s law:
This law explains the change in pressure of the gas with volume of the container at constant temperature. As volume of the container decreases, pressure tends to increase.
This is mathematically represented as follows:
Here, P1 is initial pressure, P2 is final pressure, V1 is initial volume and V2 is final volume.
Charles’s law:
At constant pressure, volume and temperature of the gas are directly proportional to each other.
This is mathematically represented as follows:
Here, V1 is initial volume, V2 is final volume, T1 is initial temperature and T2 is final temperature.
Gay-Lussac’s law:
At constant volume, pressure and temperature of the gas are directly proportional to each other.
This is mathematically represented as follows:
Here, T1 is initial volume, T2 is final volume, P1 is initial pressure and P2 is final pressure.
When the three gases are combined, the combined gas law will be:
Here, P1, V1, T1, P2, V2 and T2 is initial pressure, initial volume, initial temperature, final pressure, final volume and final temperature respectively.
Chapter U3 Solutions
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