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प्रश्न
Define the internal energy of the system.
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उत्तर
The internal energy of a thermodynamic system is the sum of kinetic and potential energies of all the molecules of the system with respect to the center of mass of the system.
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संबंधित प्रश्न
The change in internal energy in a reaction when 2kJ of heat is released by the system and 6 kJ of work is done on the system will be ______.
Are internal energy and heat energy the same? Explain.
Did joule converted mechanical energy to heat energy? Explain.
Give the sign convention for Q and W.
Define the quasi-static process.
What is a PV diagram?
Explain Joule’s Experiment of the mechanical equivalent of heat.
Derive the expression for the work done in a volume change in a thermodynamic system.
When a system absorbs 8 kJ of heat and does 2.2 kJ of work on surrounding, calculate the internal energy change.
An ideal gas expands against a constant external pressure of 2.0 atmosphere from 20 litre to 40 litre and absorbs 10 kJ of heat from the surrounding. What is the change in the internal energy of the system?
(Given: 1 atm-litre = 101.3 J)
