How Do Isothermal and Isochronic Processes Compare in Thermodynamics?

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SUMMARY

This discussion clarifies the differences between isothermal and isochoric processes in thermodynamics. An isothermal process involves heat exchange equal to the work done, while an isochoric process (correctly termed from the initial confusion with "isochronic") maintains constant volume with a direct correlation between internal energy decrease and heat exchange. Specifically, during an isothermal process, if 5J of heat is removed from an ideal gas, the work done is also 5J. In an isochoric process, a decrease in internal energy of 50J corresponds to a heat exchange of 50J.

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Dx
Hello again,

Last question for a while kinda confused between these two. Let's say i have these two processes, the internal energy of a system is removed(isothermal) and decreases by 50J(both of them).

Now for isothermal Q=W which would tell me that work equals 50J, correct and isochronic would also have a heat exchange of 50J, right?

Can you help me?
Dx :wink:

ps. let's use these questions for a better example if i have confused you.

1) During an isothermal process, 5J of heat is removed from the ideal gas. what is the work done in the process. its 5J, right

2) In a isochronic process, the internal energy of a system decreases by 50J, ok. what's the heat exchange? 50J, right
 
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What is "isochronic"?

Did you mean "isochoric" (constant-volume process)
 
LMAO!

Hiya! Tom,
Yes i mean isocoric. Sounds like a new type of chronic/mary jane cig huh.
Your right Isochoric.
Thanks!
Dx :wink:
 
Originally posted by Dx
Now for isothermal Q=W which would tell me that work equals 50J, correct and isochronic would also have a heat exchange of 50J, right?

Yes.

1) During an isothermal process, 5J of heat is removed from the ideal gas. what is the work done in the process. its 5J, right

Right again.

2) In a isochronic process, the internal energy of a system decreases by 50J, ok. what's the heat exchange? 50J, right [/B]

And three's a charm.

Try the following website. It's really great.

http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html

In the bubble map, click on "Heat and Thermodynamics". In the new menu, you will see, among other things, "Isothermal" and "Constant Volume" (aka "Isochronic" LOL).
 

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