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1st Law of Thermodynamics - Isothermal (constant temperature) Process The figures show the PV (pressure versus volume) graphs of constant-temperature, or isothermal processes, The area under the curve equals the work. For the isothermal process, Work W = nRT ln(Vf/Vi) If volume V increases (Vf > Vi) in a process, work W is positive. If volume V decreases (Vf < Vi) in a process, work W is negative. From the ideal gas law, PV = nRT, in an isothermal process, temperature Ti = Tf, so PiVi = PfVf Work can also be written as Work W = PiVi ln(Vf/Vi) = PfVf ln(Vf/Vi) In the figures, pressure PA = 3.80 x 10^6 Pa. pressure PB = 1.90 x 10^6 Pa. Volume VA = 0.0016 m³. Don't use scientific notations in your answers. What is the volume VB ? Keep 4 decimal places. Enter a number m³ If the ideal gas has 2.2 moles, what is its temperature in Kelvin? Enter a number K Calculate the work done from A to B. Include a proper sign. Keep 2 decimal places. This work is done By the ideal gas to the outside (Wout) Enter a number J Calculate the work done from B to A. Include a proper sign. Keep 2 decimal places. This work is done ON the ideal gas (Win) by the outside. Enter a number J Calculate the ideal gas's change in internal energy from B to A. Include a proper sign. Keep 2 decimal places Enter a number J Calculate the heat from B to A. Include a proper sign. Keep 2 decimal places Enter a number J

          1st Law of Thermodynamics - Isothermal (constant temperature) Process

The figures show the PV (pressure versus volume) graphs of constant-temperature, or isothermal processes, The area under the curve equals the work. For the isothermal process,
Work W = nRT ln(Vf/Vi)

If volume V increases (Vf > Vi) in a process, work W is positive. If volume V decreases (Vf < Vi) in a process, work W is negative.
From the ideal gas law, PV = nRT, in an isothermal process, temperature Ti = Tf, so PiVi = PfVf
Work can also be written as
Work W = PiVi ln(Vf/Vi) = PfVf ln(Vf/Vi)

In the figures, pressure PA = 3.80 x 10^6 Pa. pressure PB = 1.90 x 10^6 Pa. Volume VA = 0.0016 m³.

Don't use scientific notations in your answers.

What is the volume VB ? Keep 4 decimal places.
Enter a number m³

If the ideal gas has 2.2 moles, what is its temperature in Kelvin?
Enter a number K

Calculate the work done from A to B. Include a proper sign. Keep 2 decimal places. This work is done By the ideal gas to the outside (Wout)
Enter a number J

Calculate the work done from B to A. Include a proper sign. Keep 2 decimal places. This work is done ON the ideal gas (Win) by the outside.
Enter a number J

Calculate the ideal gas's change in internal energy from B to A. Include a proper sign. Keep 2 decimal places
Enter a number J

Calculate the heat from B to A. Include a proper sign. Keep 2 decimal places
Enter a number J

1st Law of Thermodynamics - Isothermal (constant temperature) Process

The figures show the PV (pressure versus volume) graphs of constant-temperature, or isothermal processes, The area under the curve equals the work. For the isothermal process,
Work W = nRT ln(Vf/Vi)

If volume V increases (Vf > Vi) in a process, work W is positive. If volume V decreases (Vf < Vi) in a process, work W is negative.
From the ideal gas law, PV = nRT, in an isothermal process, temperature Ti = Tf, so PiVi = PfVf
Work can also be written as
Work W = PiVi ln(Vf/Vi) = PfVf ln(Vf/Vi)

In the figures, pressure PA = 3.80 x 10^6 Pa. pressure PB = 1.90 x 10^6 Pa. Volume VA = 0.0016 m³.

Don't use scientific notations in your answers.

What is the volume VB ? Keep 4 decimal places.
Enter a number m³

If the ideal gas has 2.2 moles, what is its temperature in Kelvin?
Enter a number K

Calculate the work done from A to B. Include a proper sign. Keep 2 decimal places. This work is done By the ideal gas to the outside (Wout)
Enter a number J

Calculate the work done from B to A. Include a proper sign. Keep 2 decimal places. This work is done ON the ideal gas (Win) by the outside.
Enter a number J

Calculate the ideal gas's change in internal energy from B to A. Include a proper sign. Keep 2 decimal places
Enter a number J

Calculate the heat from B to A. Include a proper sign. Keep 2 decimal places
Enter a number J

Added by Elizabeth H.

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