Chapter 6.6, Problem 6.13P

Interpretation Introduction

Interpretation:

The number of moles of helium in the balloon has to be given.

Concept Introduction:

Avogadro’s Law:

At constant pressure and temperature, the number of moles in the gas and the volume of the gas are proportionally related.

  $\frac{\text{V}}{\text{n}}\text{=K}$

Where V is the volume of the gas.

n is the number of moles.

K is the constant.

The number of moles or the volume of the gases at constant temperature and pressure can be calculated using the relation,

  $\frac{{\text{V}}_{\text{1}}}{{\text{n}}_{\text{1}}}\text{=}\frac{{\text{V}}_{\text{2}}}{{\text{n}}_{\text{2}}}$

Where ${\text{V}}_{\text{1}}\text{\&}{\text{n}}_{\text{1}}$ are the volume and the number of moles of gases at initial state.

${\text{V}}_{\text{2}}\text{\&}{\text{n}}_{\text{2}}$ are the volume and the number of moles of gases at final state.