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Define Entropy of Ideal Gas?
A vessel of volume V1 contains N molecules of an ideal gas held at temperature T and pressure P1. The energy of a molecule may be written in the form
Where ?k denotes the energy levels corresponding to the internal states of the molecules of the gas.
a) Calculate the free energy F. Explicitly display the dependence on the volume V1.
At this time consider another vessel, as well at temperature ?? containing the same number of molecules of the identical gas held at pressure P2.
b) Give an phrase for the total entropy of the two gases in terms of P1, P2, ??, N.
c) The vessels are then connected to allow the gases to mix without doing work. Calculate explicitly the change in entropy of the system. Ensure whether your answer makes sense by considering the special case V1=V2 (P1 =P2).
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Explain electric potential at a point due to a point charge. Write its SI unit. Derive an expression for the electric potential at a point outside a charged sphere.
Defects of Vision Long Sightened When a person can see far objects clearly but cannot see near object clearly then this defect of vision is called as long sightedness.
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Used normally, a 150-watt, 120 volt light bulb requires how many amps of current? Ans: Used generally, a 150-watt, 120 volt light bulb needs 1.25 amps.
Using an Optical Bench This applet permits users to simulate standard optic elements that is lens, mirror, dielectrics, sources, apertures and observe the ways in which light r
a column of water contains fine metal particles of radius 2*E(-8) m, which are in thermal equillibrium at 298 K. if there are 1000 particles per unit volume at a given height,how m
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Which of the following particles has more electrons than neutrons: (1) C (2) F- (3)O -2 (4)Al +3 Ans: O -2
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