   Chapter 10, Problem 8PS

Chapter
Section
Textbook Problem

A 5.0-mL sample of CO2 gas is enclosed in a gastight syringe (Figure 10.2) at 22 °C. If the syringe is immersed in an ice bath (0 °C), what is the new gas volume, assuming that the pressure is held constant?

Interpretation Introduction

Interpretation:

The new volume of the gas sample in the syringe has to be found out from the given data.

Concept Introduction:

Charles’s law: States that volume is directly proportional to temperature when the gas is held at constant pressure and number of molecules.

VTV=constant×TV1T1=V2T2

Explanation

The new volume of the gas when the temperature changes from 22°Cto0°C is calculated as follows:

Given data:

V1=5mlT1=22°C=22+273=295KT2=0°C=0+273=

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