3. (30 pts, 2 pts each) Multiple-choice questions from chapter 11. Place the let

Question

3. (30 pts, 2 pts each) Multiple-choice questions from chapter 11. Place the letter representing
the correct response in the blank provided. (WHEN YOU ANSWER PLEASE COPY PASTE MY QUESTION THEN TYPE THE CORRECT ANSWER IN THE BLANK SPACES)
_____ Which of the following should have the highest surface tension?
(A) Br2 (liq), (B) Hg (liq), (C) C6H6 (liq), (D) H2O (liq)
_____ Water is known to do which of the following?
(A) wet glass but not plastic, (B) wet plastic but not glass, (C) wet glass and plastic,
(D) not wet glass or plastic
_____ Which of the following cannot hydrogen bond to a water molecule?
(A) another H2O molecule, (B) an ammonia molecule, (C) a methane molecule,
(D) a hydrogen fluoride molecule
_____ The viscosity of a liquid can be measured by determining which of the following?
(A) how fast steel balls fall through the liquid, (B) how much time is required for a certain amount
of the liquid to flow through a thin tube, (C) both A and B, (D) neither A nor B
_____ Which of the following is not a phase change?
(A) fusion, (B) vaporization, (C) isomerization, (D) sublimation
_____ Above the critical temperature of a substance,
(A) the solid and liquid phases are indistinguishable, (B) the liquid and gaseous phases are
indistinguishable, (C) the solid and vapor phases are indistinguishable, (D) fluids do not exist
_____ The vapor pressure of a solid is the pressure exerted by its vapor when the solid and
vapor states are
(A) in dynamic turmoil, (B) in dynamic equilibrium, (C) in static equilibrium, (D) conflicted
_____ An example of an amorphous solid is
(A) a salt lick, (B) a chunk of coal, (C) glass, (D) a diamond
_____ Ba(HCO3)2
should be classified as
(A) a molecular solid, (B) a macromolecular solid, (C) a salt, (D) a metallic solid
_____ Which of the following forces is the strongest?
(A) covalent bond, (B) ionic bond, (C) hydrogen bond, (D) nuclear bond
_____ Which of the following should be most volatile?
(A) H2O (liq), (B) C5H12 (liq), (C) C20H42 (sol), (D) C2H5OH (liq)
_____ Which of the following should be the best conductor of electricity?
(A) Ag, (B) Cd, (C) In, (D) Sn
_____ Which of the following should have the highest melting point?
(A) H2O, (B) SiO2, (C) NaCl, (D) CCl4
_____ Which of the following should have the highest critical temperature?
(A) H2O, (B) CO2, (C) CO, (D) CH4
_____ Which of the following should be most brittle?
(A) C20H42 (sol), (B) C6H4Cl2 (sol), (C) NaBr (sol), (D) CBr4 (sol)

Explanation / Answer

B
D
C
C
C
D
B
C
C
D
B
A
B
A
B

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