Whether the volume of the balloon increases or decreases if air in an elastic balloon cools from 2 5 ο C to 20 ο C is to be predicted. Concept introduction: Charles reveals the temperature effect on the volume of a gas. According to the Charles law, the volume of gas shows direct relation with the temperature in Kelvin at a constant pressure. Mathematically, it is expressed, as shown below. V α T V = k T Here, k is the proportionality constant.

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Chapter 10, Problem 4CE

Interpretation Introduction

Interpretation:

Whether the volume of the balloon increases or decreases if air in an elastic balloon cools from 25 οC to 20 οC is to be predicted.

Concept introduction:

Charles reveals the temperature effect on the volume of a gas. According to the Charles law, the volume of gas shows direct relation with the temperature in Kelvin at a constant pressure. Mathematically, it is expressed, as shown below.

VαTV=kT

Here, k is the proportionality constant.

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