A beach ball has a volume of 0.100 m3• The pressure of the air in the ball is one atmo sphere and the temperature is 27° C. When a diver pulls it 20 meters under water, its volume is 0.032 m3• What is the temperature of the water at this depth?
Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.
P-V Diagram
A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.
A beach ball has a volume of 0.100 m3• The pressure of the air in the ball is one atmo sphere and the temperature is 27° C. When a diver pulls it 20 meters under water, its volume is 0.032 m3• What is the temperature of the water at this depth?
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