Advertisements
Advertisements
प्रश्न
Define one calorie.
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
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.
Can we measure the temperature of the object by touching it?
Give the expression for work done by the gas.
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.
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 ______.
When a system absorbs 8 kJ of heat and does 2.2 kJ of work on surrounding, calculate the internal energy change.
The value of Δ U is ______ when 2 kJ of heat is released and 6 kJ of work is done on the system.
