Why does an increase in volume of a given amount of gas at constant temperature cause a decrease in pressure? O There are more molecules. There are fewer molecules. Molecules are moving so fast. O Molecules are striking at a larger area with the same force.

Why does an increase in volume of a given amount of gas at constant temperature cause a decrease in pressure? O There are more molecules. There are fewer molecules. Molecules are moving so fast. O Molecules are striking at a larger area with the same force.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 8OQ

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Concept explainers

Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.

Question

Why does an increase in volume of a given amount of gas at constant temperature cause a decrease in pressure?
O There are more molecules.
There are fewer molecules.
Molecules are moving so fast.
O Molecules are striking at a larger area with the same force.

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