
Concept explainers
Interpretation:
The reason due to which temperature and pressure is not considered while calculating relative gas volume needs to be explained.
Concept introduction:
Volume-volume relationships are used in the balanced chemical equations.

Answer to Problem 80A
It is not necessary to consider temperature and pressure when using a balanced equation to determine relative gas volume because Avogadro’s principle is used.
Explanation of Solution
According to Avogadro’s principle,
One mol of every substance occupies 22.4 L gas at STP.
So, volume of gas is fixed and there is no requirement of pressure and temperature.
Avogadro’s principle holds well in balanced chemical equation for gas volume relationships.
Therefore, it is not necessary to consider temperature and pressure.
Chapter 13 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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