Advertisements
Advertisements
प्रश्न
Define one calorie.
Advertisements
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.
APPEARS IN
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.
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 ______.
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.
What is a PV diagram?
Derive the expression for the work done in a volume change in a thermodynamic system.
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 ______.
The value of Δ U is ______ when 2 kJ of heat is released and 6 kJ of work is done on the system.
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.
