(II) A scuba tank is filled with air to a gauge pressure of204 atm when the air temperature is 29°C. A diver then jumpsinto the ocean and, after a short time on the ocean surface,checks the tank’s gauge pressure and finds that it is only191 atm. Assuming the diver has inhaled a negligible amountof air from the tank, what is the temperature of the oceanwater?
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.
(II) A scuba tank is filled with air to a gauge pressure of
204 atm when the air temperature is 29°C. A diver then jumps
into the ocean and, after a short time on the ocean surface,
checks the tank’s gauge pressure and finds that it is only
191 atm. Assuming the diver has inhaled a negligible amount
of air from the tank, what is the temperature of the ocean
water?
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