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- Engineering
- If a gas is expanded at constant temperature Option: 1 the pressure decreases.Option: 2 <
If a gas is expanded at constant temperature
Option: 1
the pressure decreases.
Option: 2
the KE of the molecules remain the same.
Option: 3
the KE of the molecules decreases.
Option: 4
the number of molecules of the gas increases.
Answers (1)
Pressure is inverssely propartional to volume at constant temperature hence (a) is correct
Arerage
kinetic eneragy of a gas is discetly propartional to absolute temperature.
Hence (b) is correct.
Expansion at contant temperature, cannot change the numbers of molecules.Hence (d) is correct.
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