The percent difference between the ideal and real gas is the percent difference between the ideal and real gas is blank.. this difference is considered significant, and is best explained because argon atoms have relatively this difference is considered significant, and is best explained because argon atoms have relatively blank.. if the volume of the container were increased to 2.00 l, you would expect the percent difference between the ideal and real gas to if the volume of the container were increased to 2.00 \rml, you would expect the percent difference between the ideal and real gas to blank..