Cork test tubes of liquids when not being heated or cooled. A pure substance is an element or compound. The freezing point is the temperature at which a liquid is in equilibrium with its solid. The boiling point is the temperature at which a liquid is in equilibrium with its vapor. The absolute error is the difference between the literature and the experimental value of the temperature.
Experimental readings tend to be low for the freezing temperatures.
Go to Top TG Disposal Cyclohexane and Butyl alcohol should be collected in containers in the hood for proper disposal. Take two sealed bottles of tert-butanol. Place one in a refrigerator. Wait until it freezes. Remove it from the refrigerator, and set it alongside the liquid.