Question

Which gas sample has the greatest pressure? Assume they are all at the same temperature. Explain.

Name: Problem 123, Chapter 11: Introductory Chemistry Essentials
Uploaded: 2020-09-02T01:01:01-08:00
Duration: 1 min 9 s
Channel: Madeline Currie
Description: Which gas sample has the greatest pressure? Assume they are all at the same temperature. Explain.

   Which gas sample has the greatest pressure? Assume they are all at the same temperature. Explain.

Introductory Chemistry Essentials

Tro, Nivaldo J. 5th Edition

Chapter 11, Problem 123

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Solved by Expert Madeline Currie

09/02/2020

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We need to compare the pressures of different gas samples. Show more…

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Which gas sample has the greatest pressure? Assume they are all at the same temperature. Explain.

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Key Concepts

Molecular Collisions and Pressure

Pressure in a gas arises from the collisions of its molecules with the walls of its container. At a constant temperature, if one gas sample has more molecules (or a higher mole density) than another, it will experience more collisions per unit time, resulting in a greater pressure.

Ideal Gas Law

The Ideal Gas Law (PV = nRT) is a fundamental equation that relates pressure, volume, temperature, and the amount of gas present. It shows how, at constant temperature, the pressure of a gas is directly proportional to the number of moles (n) of the gas, meaning that more gas particles per unit volume lead to higher pressure.

Temperature Constancy

When comparing gas samples at the same temperature, any differences in pressure must be due to other factors such as the number of moles of gas or the volume available to the gas. Since temperature is constant, it does not contribute to pressure differences in this context.

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