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Heat is supplied to the gas, but its internal energy does not increase. What is the process involved?
- a)Isochoric process
- b)Isobaric process
- c)Isothermal process
- d)none of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Heat is supplied to the gas, but its internal energy does not increase...
From the first law of thermodynamics dq=du+dw,so clearly for the isothermal expansion or compression of a real gas where u=f(T) from the first law du=0 which means that the entire heat supplied is converted into work but from the second law of thermodynamics we find that in no,process can the entire heat supplied can be converted into work hence in reality some fraction of heat supplied is always used to increase the internal energy of the system.
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Heat is supplied to the gas, but its internal energy does not increase...
Isothermal Process
An isothermal process is involved when heat is supplied to a gas but its internal energy does not increase. This means that the temperature of the gas remains constant during the process.
Explanation:
During an isothermal process, the gas is kept in contact with a heat reservoir or a constant temperature source. As heat is supplied to the gas, it expands and does work on its surroundings. However, since the temperature is constant, the internal energy of the gas remains the same.
This is because the internal energy of a gas is directly proportional to its temperature. If the temperature remains constant, the internal energy also remains constant.
Examples:
An example of an isothermal process is the expansion of a gas in a piston-cylinder system that is in contact with a constant temperature reservoir. Another example is the boiling of water at a constant temperature of 100°C.
Significance:
Isothermal processes are important in thermodynamics because they allow us to calculate the work done by or on a gas, as well as the heat transfer involved in the process. They are also used in many industrial processes, such as refrigeration and air conditioning.
An isothermal process is involved when heat is supplied to a gas but its internal energy does not increase. This means that the temperature of the gas remains constant during the process.
Explanation:
During an isothermal process, the gas is kept in contact with a heat reservoir or a constant temperature source. As heat is supplied to the gas, it expands and does work on its surroundings. However, since the temperature is constant, the internal energy of the gas remains the same.
This is because the internal energy of a gas is directly proportional to its temperature. If the temperature remains constant, the internal energy also remains constant.
Examples:
An example of an isothermal process is the expansion of a gas in a piston-cylinder system that is in contact with a constant temperature reservoir. Another example is the boiling of water at a constant temperature of 100°C.
Significance:
Isothermal processes are important in thermodynamics because they allow us to calculate the work done by or on a gas, as well as the heat transfer involved in the process. They are also used in many industrial processes, such as refrigeration and air conditioning.
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Heat is supplied to the gas, but its internal energy does not increase...
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Heat is supplied to the gas, but its internal energy does not increase. What is the process involved?a)Isochoric processb)Isobaric processc)Isothermal processd)none of theseCorrect answer is option 'C'. Can you explain this answer?
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