Adding avg and mps speed formulae for ideal gases (#10229)

* avg and mps speed formulae added

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* avg and mps speed formulae added

* fixed_spacing

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* spacing

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* ws

* added amicable numbers

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* added amicable numbers

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* spacing

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* removed

* changed name of file and added code improvements

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* issues fixed due to pi

* requested changes added

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>