   Chapter 15, Problem 9CR ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
1 views

# m>9. What do we mean specifically by an ideal gas? Explain why the ideal gas law (PV = nRT) is actually a combination of Boyle’s. Charles’s, and Avogadro’s gas laws. What is the numerical value and what are the specific units of the universal gas constant, R? Why is close attention to units especially important when doing ideal gas law calculations?

Interpretation Introduction

Interpretation:

The meaning of an ideal gas is to be stated. The reason as to why the ideal gas law PV=nRT is actually a combination of Boyle’s, Charles’s, and Avogadro’s gas laws is to be explained. The numerical value and the specific units of the universal gas constant, R are to be stated. The reason as to why the close attention to units is important when ideal gas law calculations are done is to be stated.

Concept Introduction:

An ideal gas equation is derived from the combination of Charles’s law, Boyle’s law and Avogadro law.

The general expression for an ideal gas is shown below.

PV=nRT

The expression exhibits that an ideal gas law relies on the temperature, pressure, volume and moles of gas.

Explanation

The gases which obey gas laws under low pressure and high temperature are known as ideal gases. They consist of perfectly elastic collisions.

The ideal gas law is derived from Boyle’s law, Charles’s law and Avogadro’s gas law.

The expression for Boyle’s law is shown below.

P1VAtconstantT

Where,

• P is the pressure of a gas.
• V is the volume of a gasT is temperature of a gas.

The expression for Charles’s law is shown below.

VTAtcontantP

Where,

• V is the volume of gas.
• T is the temperature of gas

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