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What is partial pressure?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 16Q Chapter 11

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 16Q

What is partial pressure?

Step-by-Step Solution:
Step 1 of 3

Solution 16Q

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.The total pressure of an ideal gas mixture is the sum of the partial pressures of each individual gas in the mixture.

It relies on the following isotherm relation:

Vx/Vtot =px /ptot =nx/ntot .

  • Vx is the partial volume of any individual gas component (X)
  • Vtot is the total volume of the gas mixture
  • px is the partial pressure of gas X
  • ptot is the total pressure of the gas mixture
  • nx is the amount of substance of gas (X)
  • ntot is the total amount of substance in gas mixture

The partial pressure of a gas is a measure of thermodynamic activity of the gas's molecules. Gases dissolve, diffuse, and react according to their partial pressures, and not according to their concentrations in gas mixtures or liquids.

This general property of gases is also true in chemical reactions of gases in biology. For example, the necessary amount of oxygen for human respiration, and the amount that is toxic, is set by the partial pressure of oxygen alone. This is true across a very wide range of different concentrations of oxygen present in various inhaled breathing gases or dissolved in blood.

Step 2 of 3

Chapter 11, Problem 16Q is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This full solution covers the following key subjects: partial, pressure. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. The answer to “?What is partial pressure?” is broken down into a number of easy to follow steps, and 4 words. Since the solution to 16Q from 11 chapter was answered, more than 400 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 16Q from chapter: 11 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM.

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