   # Ideal gas particles are assumed to be volumeless and to neither attract nor repel each other. Why are these assumptions crucial to the validity of Dalton’s law of partial pressures? ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 8, Problem 36Q
Textbook Problem
55 views

## Ideal gas particles are assumed to be volumeless and to neither attract nor repel each other. Why are these assumptions crucial to the validity of Dalton’s law of partial pressures?

Interpretation Introduction

Interpretation: The assumptions that are crucial to the validity of Dalton’s law of partial pressure have to be explained.

Concept Introduction:

Ideal gas law is applicable to those gases which obey Boyle’s law and Charles’s law. The ideal gas equation can be obtained by combining the equations of Boyle’s law and Charles’s law.

At constant temperature, (Boyle’s law)

1V

At constant volume, (Charles’s law)

PαT

By combining the above equations,

TVPVαTPV=RT

Where R= proportionality constant called as gas constant.

The general equation for ideal gas law is written as,

PV=nRT

Where n= number of moles

Dalton’s law of partial pressure states that the total partial pressure is equal to the individual partial pressure. The expression for Dalton’s law of partial pressure is given by

Ptot=P1+P2+P3......Pn

Where n represent the partial pressure of n component

### Explanation of Solution

Explanation

Explain the assumptions that is crucial to the validity of Dalton’s law of partial pressure

Dalton’s law of partial pressure states that the total partial pressure is equal to the individual partial pressure. The expression for Dalton’s law of partial pressure is given by

Ptot=P1+P2+P3......Pn

Where n represent the partial pressure of n component

Dalton’s l

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