31. When a nonpolar liquid displays a convex meniscus a nonpolar liquid displays

Question

31. When a nonpolar liquid displays a convex meniscus a nonpolar liquid displays a convex meniscus, which of the fotllowing explains this bebavior surface tension, and therefore ctings to the glass e forces to the glass. C) The adhesive forces to the glass are stronger than the cohesive forces D) The liquid's viseosity is low El None of these. 32. Which of the following is paired incorrectly? y regulara C) unit cell- the smallest repeating unit of the lattice D) gold metal-simple cubic unit cell E) glass-amorphous solid The molar volume of a certain form of solid lead is 18 cm'/mol. Assuming cubic closest packed structure, determine the following The number of Pb atoms per unit cell. B) 2 33. C) 4 D) 6 E) 10 nother name for

Explanation / Answer

31. B

32. D

33. C

34. C

35.D

36.C

37. A. (because it needs to go through a phase change in order to become solid. )

38. E.

39. D.

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