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Molecular Physics | Thermodynamics
One mole of oxygen at STP is adiabatically compressed to 5 atm. Calculate the final
temperature. Also, calculate the work done on the gas. Take g = 1.4 and
R = 8.31 J mol−1 K−1.
temperature. Also, calculate the work done on the gas. Take g = 1.4 and
R = 8.31 J mol−1 K−1.
Molecular Physics | Thermodynamics
THE FRACTIONAL CHANGE IN INTERNAL ENERGY WHEN A GAS IS COOLED FROM 927°C TO 27°C IS :
1. 0.25
2. 0.75
3. 1
4. 0.67
1. 0.25
2. 0.75
3. 1
4. 0.67
Molecular Physics | Thermodynamics
N MOLES OF A MONOATOMIC GAS IS CARRIED AROUND THE REVERSIBLE RECTANGULAR CYCLE ABCDA AS SHOWN IN THE DIAGRAM. THE TEMPERATURE AT A IS To . THE THERMODYNAMIC EFFICIENCY OF THE CYCLE IS :
1. 15 %
2. 20 %
3. 25 %
4. 50 %
1. 15 %
2. 20 %
3. 25 %
4. 50 %
Molecular Physics | Thermodynamics
Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
Molecular Physics | Thermodynamics
Two identical Helium balloons a and b tied to a weight of 5g by threads float in equilibrium as shown in figure .find the charge on each balloon assuming that they carry equal charge.
Molecular Physics | Thermodynamics
Compute the fermi energy and the corresponding fermi temperature of alluminium (trivalent metal) using the following data:
Mal=0.02698Kg and sigma=2670Kg-3
Mal=0.02698Kg and sigma=2670Kg-3
Molecular Physics | Thermodynamics
At what temperature will the root-mean-square speed of oxygen molecules have the value of 640 m/s? 1 kilomole of oxygen has a mass of 32kg.
Molecular Physics | Thermodynamics
Which of the following does NOT determine the amount of internal energy an object has?
temperature
amount of material
type of material
shape of the object
temperature
amount of material
type of material
shape of the object
Molecular Physics | Thermodynamics
The statement "Heat lost by hot object is equal to heat gained by cold object" another way of expressing the law of conservation of --
Molecular Physics | Thermodynamics
An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. How much work is done during the cycle?
