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प्रश्न
What is a PV diagram?
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उत्तर
PV diagram is a graph between pressure P and volume V of the system. The P-V diagram is used to calculate the amount of work done by the gas during expansion or on the gas during compression.
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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 ______.
Define the internal energy of the system.
Give the sign convention for Q and W.
Define the quasi-static process.
Give the expression for work done by the gas.
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)
A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 Bar from an initial volume of 2.5L to a final volume of 4.5L The change in internal energy, ΔU of the gas will be ______.
