What volume will 5.0 mol occupy at a pressure of 645 mmHg and a temperature of 290K?

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Elias is almost correct. he just got it backwards.the correct answer is that it demonstrates elastic potential energy transforming into kinetic energy.

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : ) 

Ibelieve it is b. proton.hope my answer has you : )