Chapter 8, Problem 8.80AQAP

Interpretation Introduction

Interpretation:

The final pressure exerted by a fire extinguisher at the given temperature and under conditions of constant volume and number of moles needs to be calculated.

Concept introduction:

► Pressure, volume, temperature and number of moles of a gas are related through a thermodynamic equation of state called the ideal gas equation.

► Pressure and volume are directly proportional to temperature and number of moles (or molecules) of a gas

Given:

$\begin{array}{l}{\text{Initial Temperature (T}}_{\text{1}}\text{) = 25}{}^0\text{C}\text{ = 25 + 273 = 298 K}\\ {\text{Initial pressure (P}}_{\text{1}}\text{) = 10 atm}\\ {\text{Final Temperature (T}}_{\text{2}})=7\text{5}{}^0\text{C}\text{ = 75 + 273 = 348 K}\end{array}$