   Chapter 13.10, Problem 1CT ### 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
59 views

# at if STP was defined as normal room temperature ( 22 ° C ) and 1 atm ? How would this affect the molar volume of an ideal gas? Include an explanation and a number.

Interpretation Introduction

Interpretation:

The effect of change of temperature of STP from 00C to 220C on molar volume of an ideal gas should be determined.

Concept Introduction:

STP has a full form of Standard Temperature and Pressure that is a set of standard conditions which helps in comparing properties of gases with each other. The normal value of STP contains pressure value as 1atm (0.986atm) and temperature value as 273K ( 00C ).

Molar volume is the volume of gas at 1 mole at STP.

Explanation

The properties of gases are volume, pressure, temperature and amount that is not represented by Avogadro’s law. Avogadro’s law states that the equal volumes of gases at the equal temperature and pressure values contain equal numbers of molecules. So, to cover all properties of an ideal gas, the ideal gas law is formed where n as an amount of gas is added into Avogadro’s law.

PVnT= constant

Here, n is number of moles, P is pressure, V is volume, T is temperature.

PVnT= RPV=nRT

The equation with R as an ideal gas constant is known as Ideal gas equation, where value of R is derived from units of pressure and volume. The universal value for an ideal gas constant is 0.08206 L atm/mol K.

The values of other parameters in above equation,

P = 1 atm

V = 22.4 L

R = 0

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