If a gas sample is confined in a capillary column of radius 0.75 mm and has a he

Question

If a gas sample is confined in a capillary column of radius 0.75 mm and has a height of 5.4 mm what is its volume? (Be sure you give the units.) Refer to the formula you used to find the volume. What is the proportionality constant that relates the height (or length), and the volume of a column? We usually do gas law calculations using the volume of the gas measured in liters. Change the above volume to the volume in liters. It will be useful to use the conversion factor that one cubic centimeter (1 cm^3) = 1 mL. Do not be surprised that this is a very small volume.

Explanation / Answer

a) Volume of column V =pi*(0.75*10^-3)^2*5.4*10^-3 =9.54258769*10^-9 m^3 =9.54*10^-3cm^3

b) Proportionality constant =pi

c) V= 9.54*10^-3 mL

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