Which defines the average kinetic energy of a system's particles?
2 answers:
<h2>Answer:Temperature</h2>
Explanation:
Average kinetic energy of a system of particles is given by .
where,
is the number of degrees of freedom of the particles.
is the boltzmann constant.
is the temperature.
For general gases,
For a given degrees of freedom,average kinetic energy is directly proportional to temperature.
So,the average kinetic energy depends on temperature.
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<u>Answer:</u> The final volume of the gas comes out to be 4 L.
<u>Explanation:</u>
To calculate the volume with changing pressure, we use the equation given by Boyle's law.
This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.
Mathematically,
(At constant temperature and number of moles)
The equation given by this law is:
where,
are initial pressure and volume.
are final pressure and volume.
We are given:
Putting values in above equation, we get:
Hence, the final volume of the gas will be 4 L.