Ontario Operator-in-Training (OIT) Practice Exam

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The volume of chlorine increases by how many times when it is depressurized into gas?

The correct answer is: 450

When chlorine is depressurized and converted from a liquid state to a gaseous state, it experiences a significant increase in volume due to the differences in density between the two phases. The conversion factor for liquid chlorine to gas is that the volume can increase approximately by 450 times under standard conditions. This substantial expansion occurs because gases occupy much more space than liquids at atmospheric pressure, allowing for the greater mobility and spacing of gas molecules compared to those in a liquid. Thus, the increase in volume reflects the physical characteristics of chlorine and its behavior under depressurization, aligning with established scientific principles regarding the behavior of gases versus liquids. As a result, the most accurate representation of this volume increase, based on typical calculations and data, is indeed 450 times.