Guidelines

Which process has more work done isothermal or adiabatic?

Which process has more work done isothermal or adiabatic?

Both start from the same point A, but the isothermal process does more work than the adiabatic because heat transfer into the gas takes place to keep its temperature constant. This keeps the pressure higher all along the isothermal path than along the adiabatic path, producing more work.

In which process work done is maximum isothermal or isobaric?

In an isothermal process all heat is converted into work while in an isobaric process heat is converted into work as well as internal energy. However, the PV-graph shows that the maximum work is done in an isobaric process.

In which process was the amount of work done by the gas greater?

One source says that, in the case of expansion of gases, work done in isothermal processes is greater than work done in isobaric processes.

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Which process has more work done?

adiabatic process
The work done in adiabatic process is maximum. This is because the rate of pressure increase is faster in the adiabatic process as all the energy of the work done on the system increases its internal energy.

Why work done in adiabatic process is less than isothermal?

It takes heat from surrounding and the temperature remains constant throughout the cycle . The second container is insulated (No heat can be added/removed) in a adiabatic expansion. This will do less work than isothermal , because it solely depends on its internal energy to do work .

Which process does more work than the constant temperature expansion and adiabatic expansion?

The adiabatic work may be less negative, but as previously stated, the amount of work depends only on its magnitude. Conclusion: The magnitude of the work for the isothermal process for both expansion and compression is greater than the magnitude of the work for the adiabatic process.

Why work is maximum in isothermal process?

If the external pressure becomes equal to the pressure of the gas, there will be no change in the volume and thus ΔV = 0. The work done is also zero. Therefore work done in an isothermal reversible expansion of an ideal gas is maximum work.

Is work done in an isobaric process?

An isobaric process occurs at constant pressure. Since the pressure is constant, the force exerted is constant and the work done is given as PΔV. An isobaric expansion of a gas requires heat transfer to keep the pressure constant.

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What is work done by gas?

For a gas, work is the product of the pressure p and the volume V during a change of volume. On a graph of pressure versus volume, the work is the area under the curve that describes how the state is changed from State 1 to State 2.

When the work is done on the gases which of the following?

5. When the work is done on the gases, which of the following effect is observed on the turning moment diagram? Explanation: When the work is done on the gases, the pressure inside the cylinder decreases and has a value lower than the atmospheric pressure, as a result a negative loop is formed. 6.

During which thermal expansion greater work is done?

isothermal expansion
The amount of work done in the isothermal expansion is greater than work done in the adiabatic system for same final volume.

Which work done is maximum?

This means that when the force is applied on a body and the displacement of the body takes place in the direction of the force applied then work done is maximum. So when theta=0°, work done is maximum.

What is the difference between isothermal work and adiabatic work?

The adiabatic work may be less negative, but as previously stated, the amount of work depends only on its magnitude. Bottom line: The magnitude of the work for the isothermal process for both expansion and compression is greater than the magnitude of the work for the adiabatic process.

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What is the difference between isothermal and adiabatic expansion and compression?

Bottom line: The magnitude of the work for the isothermal process for both expansion and compression is greater than the magnitude of the work for the adiabatic process. Although the adiabatic compression work is less negative than the isothermal compression work, the amount of work depends only on its magnitude.

Why is the work done by isobaric process is greater?

When the initial pressure and volume are the same, and the gas expands to the same final volume in both cases, then work done by isobaric process is greater. Work done is area under the p-v diagram. So, area for isobaric is greater, as you can see.

What is the work done by gases in the adiabatic process?

Work performed by gases in the adiabatic process is less than work by gas in the isothermal process. Shaded area = work done by the gas during expansion process (increase in gas volume). The shaded area in the adiabatic process is less than the shaded area of the isothermal process.