Chapter 6.7, Problem 3QQ

Interpretation Introduction

Interpretation:

In the chemical reaction, $C{H}_4+2O_2\stackrel{}{\to }C{O}_2+2H_{2}O$, the number of moles of $C{O}_2$ that is formed has to be chosen from the given option, at the same time of $2.0moles$ of $H_{2}O$ being formed

Concept Introduction:

The coefficients that are present in a balanced chemical equation is like subscripts in the chemical formula.  These coefficients can be interpreted in two levels.  One is a microscopic level and another is macroscopic level.

Microscopic level:

The coefficients that are present in a balanced chemical equation gives numerical relationship between the formula units consumed or produced when a chemical reaction takes place.

Macroscopic level:

In a balanced chemical equation, the coefficients give information about the fixed molar ratios among the substance that is consumed or produced when a chemical reaction takes place.