## Isothermal processes

$w=-P\Delta V$
and
$w=-\int_{V_{1}}^{V_{2}}PdV=-nRTln\frac{V_{2}}{V_{1}}$

Sophia_Kiessling_2L
Posts: 61
Joined: Fri Sep 28, 2018 12:26 am

### Isothermal processes

What does isothermal expansion exactly mean? And just wanting to make sure I'm correct but for isothermal expansion the equation S=nRln(v1/v2) is used, right?

Noh_Jasmine_1J
Posts: 71
Joined: Fri Sep 28, 2018 12:15 am

### Re: Isothermal processes

isothermal means that the temperature stays the same and I believe that is the right equation to use when solving those types of problems

Posts: 63
Joined: Fri Sep 28, 2018 12:19 am

### Re: Isothermal processes

Isothermal expansion is where temperature stays the same and air is expanded, since heat is lost during work, heat is added.

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