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which molecule below should have the lowest molecular speed on average at the same t and p? - SF6 - Cl2 - H2 -C2H4

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter1: Gases And The Zeroth Law Of Thermodynamics

Section: Chapter Questions

Problem 1.76E

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Concept explainers

Repulsive and Total Interactions Between Molecules

Intermolecular forces are the repulsive or attractive interaction between the molecules. Due to the coulomb’s law, there will be a coulomb force that exists between two or more charged species. If the charge of both molecules is positive or negative, then that will lead to repulsive forces. When they have opposite charges, then the force is attractive.

Question

which molecule below should have the lowest molecular speed on average at the same t and p?

- SF₆

- Cl₂

- H₂

-C₂H₄

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