Physics problem Thermodynamic cycle

In summary, we are given a thermodynamic cycle involving an ideal gas with a temperature of 300K. The gas is expanded isobarically until its volume is tripled, then cooled isochorically back to its initial temperature. Using the equation A = p * deltaV = quantity of moles * R * deltaT, and assuming the quantity of moles is 1, we can calculate the work of the gas to be 2 * R * 300.
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Homework Statement



A mole of ideal gas with a temperature T1=300K is expanded isobarically until its volume is tripled .Then the gas gets colder isochorically until we reach the temperature we had in the beginning 300 K.Find the work of the gas.
Hint : We have a thermodynamic cycle .

Homework Equations



A=p* DeltaV=quantity of moles * R* deltaT

The Attempt at a Solution


Find A=P *3V1-V1=p*2v1=2*P*V1=2*quantity of moles*R*300...Is this correct? Show me ur solution
 
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Welcome to PF, Elaia06! :smile:

Yep. That looks correct to me.

Btw, your problem states that the quantity of moles is one.
And do you know a value for R?
 
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FAQ: Physics problem Thermodynamic cycle

1. What is a thermodynamic cycle?

A thermodynamic cycle is a series of processes that occur in a specific order and return a system to its original state. In other words, the system goes through a set of changes and ultimately ends up where it started.

2. What is the first law of thermodynamics?

The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another. This law is the basis for understanding how energy is conserved in a thermodynamic cycle.

3. What is the second law of thermodynamics?

The second law of thermodynamics states that the total entropy (disorder) of a closed system will always increase over time. This means that energy will always flow from areas of higher concentration to areas of lower concentration, leading to a decrease in useful energy.

4. How are thermodynamic cycles used in real life?

Thermodynamic cycles are used in many practical applications, such as power plants, refrigeration systems, and engines. These cycles allow for the efficient conversion of energy from one form to another, making them essential for everyday activities.

5. What are the main types of thermodynamic cycles?

The main types of thermodynamic cycles are the Carnot cycle, Otto cycle, Diesel cycle, and Brayton cycle. Each of these cycles has a specific set of processes and is used in different applications. Understanding the differences between these cycles is important for solving physics problems related to thermodynamic cycles.

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