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Molecular Physics | Thermodynamics
Find the change in internal energy of a system, if the system expels a net thermal energy of 2.5 × 104J from the environment, then the system does a work of 17 × 103 J on the environment. Explain your steps during solution.
Molecular Physics | Thermodynamics
A carnot's engine is operated between two reservoirs at temperatures of 500 K and 400 K. If engine receives 2000 calories of heat from the source in each cycle then calculate (a) amount of heat rejected to sink in each cycle (b) work done by engine in each cycle in terms of joule
Molecular Physics | Thermodynamics
A heat engine working between two temperatures could theoretically convert one-eighth of the heat supplied to the work. If the lowered temperature is reduced by 95°C , the theoretical efficiency would be doubled. Find the source and sink temperature
Molecular Physics | Thermodynamics
A carnot engine has its source at 120°C and its sink is maintained at a constant temperature by means of ice at 0°C. If it is working at the rate of 175 watts, how much ice will melt in two minutes?
Molecular Physics | Thermodynamics
An inventor claims to have developed an engine working between 660k and 300k capable of having efficiency of 52%. Comment of his claim
Molecular Physics | Thermodynamics
The equilibrium internuclear distance of molecule CO is 113.53micrometer.calculate energy of molecule for j=1; C=12; O=16
Molecular Physics | Thermodynamics
Obtain the Boltzmann relation between
entropy and thermodynamic probability.
Discuss its significance.
entropy and thermodynamic probability.
Discuss its significance.
Molecular Physics | Thermodynamics
The mean free path of the molecules of
a gas at 27°C is 6.0 x 10-8 m. Calculate
the pressure exerted by the gas.
The radius of the molecule is 1.8 A.
Take kB= 1.38x 10-23J K -1.
Molecular Physics | Thermodynamics
State the third law of thermodynamics and show that the heat capacities of a substance converge as T - 0 .
Molecular Physics | Thermodynamics
Define the term adiabatic lapse rate. obtain an expression for adiabatic lapse rate for the earth atmosphere.
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#339914 on Dec 2023
#339914 on Dec 2023