What is 'adiabatic expansion' 🧑‍🔧

Welcome my friend! The purpose of this article is explain “What is 'adiabatic expansion'” by answering common doubts.

And the quick answer is…

Increase in volume without heat flow, in or out.

The ‘adiabatic expansion’ is an idealized process with no heat transfer.

In actual practice, the expansion of the substance is caused in a system very speedy.

This process is occurring quickly, so the exchange of the heat from the system to the surrounding is minimal.

Let’s start by reviewing a few questions people ask:

'adiabatic expansion'

What is the work done when volume changes in an adiabatic process...

By definition, in an adiabatic process, the heat exchanged dQ = 0. Substituting this in the first law and rearranging gives The second term is easy: the work done dW when a system changes its volume V by dV is PdV. How does pressure vary with volume change during adiabatic expansion and compression in an ideal gas?

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Note to self: Outline for article.