What is surface tension

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1. What is surface tension, what causes it, and give some examples of where it has a definite effect.

2. Describe cohesion and adhesion in terms of intermolecular bonds. What role do these two effects have?

3. Describe what viscosity is, how it is measured, the effect it has on liquids.

4. What is vapor pressure, what causes it, how it is measured, and what does it tell us about a liquid?

5. What is the relationship between vapor pressure and temperature and why is there this relationship?

6. What is the heat of evaporation?

7. Given the following data, determine the heat of evaporation.

T oC

P mm Hg

25

23.8

30

31.7

35

42.2

40

55.4

45

71.8

8. If the temperature increases to 95oC, what is the predicted Vapor Pressure?

Reference no: EM132508794

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