Answer to Question #176896 in General Chemistry for Amolap Ag

Question

Directions: Read and answer each question carefully. Write your answers on a

separate sheet of paper.

1. Which of the following affects the vapor pressure of a liquid?

a. Volume of the liquid

b. Surface area

c. intermolecular attractive forces

d. temperature e. density of the liquid

2. a. What is the relationship between surface tension and temperature?

b. What is the relationship between viscosity and temperature?

c. Why do substances with high surface tension also tend to have high viscosities?

3. Explain the following observations:

a. The surface tension of CHBr3 is greater than that of CHCl3.

b. As temperature increases, oil flows faster through a narrow tube.

c. Raindrops that collect on a waxed automobile hood take on a nearly spherical

shape.

d. Oil droplets that collect on a waxed automobile hood take on a flat shape.

Answer 1

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