Tuesday, May 10, 2011

"5.9 I can describe the trend in boiling point and viscosity of the main fractions"




a. What is the trend in boiling point of the fractions?
As you go down, you get longer chain molecules and the boiling point increases
b. Define viscosity (source your definition)
The resistance to flow as applied to a solution or a molten solid.matse1.mse.uiuc.edu/polymers/glos.html
c. What is the trend in viscosity of the fractions?
As you go down , the viscosity increases
d. What is the trend in colour of the fractions?
As you go down the fractionating column, the color of the fractions gets darker
e. Why is crude oil separated into fractions?
Needs to separated into fractions to make it useful
f. What process is used to separate crude oil into fractions?
Fractional Distillation
g. What physical property allows this process to work?
Different Boiling Points



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