Question

what is joule thomson effect​

Answer 1

The change of temperature of a gas when it is allowed to expand without doing any external work. The gas becomes cooler if it was initially below a certain temperature (the inversion temperature ), or hotter if initially above it.

Answer 2

Ello user !!!!!!!!!!!!

Here is your answer,

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The change in temperature that accompanies expansion of a gas without production of work or transfer of heat.

The evolution or absorption of heat when electric current passes through a circuit composed of a single material that has a temperature difference along its length.

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