# A 2.8 L balloon is warmed over a toaster, and its temperature rises from 25°C to 45°C . What is its final volume?

### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

Chapter
Section

### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 11, Problem 48E
Textbook Problem
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## A 2.8 L balloon is warmed over a toaster, and its temperature rises from 25°C to 45°C . What is its final volume?

Interpretation Introduction

Interpretation:

The final volume of the balloon due to given rise in temperature, is to be calculated.

Concept Introduction:

According to the Charles’ law, the volume of an ideal gas at a constant pressure is in direct proportionality with the absolute temperature.

VT

V1T1=V2T2

Here, V1 is the initial volume of the ideal gas, V2 is the final volume, T1 is the initial temperature and T2 is the final temperature of the ideal gas.

### Explanation of Solution

The final volume is calculated as follows:

According to Charles’ law at a constant pressure,

V1T1=V2T2

The conversion of temperature from degree Celsius to Kelvin is as follows:

Convert degree Celsius to Kelvin by adding 273 as a conversion factor.

K=273+°C

Substitute the values:

T1=25+273T1=298 K

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