{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

12 5 points describe briefly the differences between

Info iconThis preview shows pages 8–11. Sign up to view the full content.

View Full Document Right Arrow Icon
12. (5 points) Describe briefly the differences between normal liquids and liquid crystals.
Background image of page 8

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
30. The main reason that the boiling point of NH3 is greater than the boiling point of PH3 is due to: A. dipole-dipole interactions B. dispersion forces C. snonger covalent bond forH-N than H-P hydrogen bonding E. ion-dipole interactions 3 1. NaCl -is more soluble in H20 than CC14. Which of the following forces is most responsible? @ ion-dipole interactions 32. With which of the following species can CH30H form hydrogen bonds? 1- (CH3)3N 2. CH3OCH3 3. (CH3)2C=0 4. CH30H 33. With which of the following species can (CH3)3N form hydrogen bonds? 1- (CH3)3N 2. CH30CHs 3. (CH3)2C=O 4. CH3OH @ 4 only . 34. Generally speaking, the strongest intermolecular interaction is: A. a polar covalent bond B. a nonpolar covalent bond C. a dipole-dipole interaction a hydrogen bond E. ' dispersion forces 35. Which one of the following statements is always TRUE: a Miscible liquids dissolve in each other in all proportions 36. In which of the following solvents would KBr have the greatest solubility?
Background image of page 9
37. A nonvolatile solute effects the freezing point and boiling pobt of a solvent as follows: 9. (7 points) Which of the following compounds dws not form intermolecular- hydrogen' . bonds in pure liquid? (circle one) --- disprr.rp-. 9 NH3 CH3-CH2-CH2-OH G & ~ . ~ ~ CH3-SH H2S04 H a 0 4 NH20H NH2-NH2 t stsww1U* PIPK &LC OH ...
Background image of page 10

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}