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प्रश्न
Define one calorie.
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उत्तर
One calorie is defined as the amount of heat energy needed to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere.
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संबंधित प्रश्न
The work done in vacuum when 300 m mole of an ideal gas expands until its volume is increased by 2.3 dm3 at 1 bar pressure is ______ mole.
An ideal gas is taken from (Pi, Vi) to (Pf, Vf) in three different ways. Identify the process in which the work done on the gas the most.
Define the internal energy of the system.
Are internal energy and heat energy the same? Explain.
Did joule converted mechanical energy to heat energy? Explain.
Define the quasi-static process.
Give the expression for work done by the gas.
Derive the expression for the work done in a volume change in a thermodynamic system.
An ideal gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 bar from an initial volume of 2.50 dm3 to a final volume of 4.50 dm3. The change in internal energy (∆U) of the gas will be ______.
Calculate the change in internal energy of a gas if a gas is compressed adiabatically from 25 dm³ to 15 dm³ at constant external pressure of 4 bar.
