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Che 202 Exam 1With All Questions 100% Answered!!

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CHE 202 EXAM 1WITH ALL QUESTIONS 100% ANSWERED!!

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CHE 202 EXAM 1WITH ALL QUESTIONS 100%
ANSWERED!!
IM forces of 2 of the same species (ex: I2 is what?
Answers :dispersion
increased density means _____ dispersion


Answers :greater (greater density down the rows on table)
low freezing point means ____ IMF's


Answers :weak (less electrons)
low boiling point means ____ IMF's


Answers :weak IMF's (least electrons)
strong IMF's are likely to be _____ or _____


Answers :liquid or solid at room temp
low vapor pressure means _____ IMF's


Answers :high
polar bond


Answers :dipole dipole
Strong IMF's means ____ viscosity


Answers :high

, at normal boiling point, all liquid substances have the ____ vapor pressure


Answers :same
exo


Answers :gives up energy
endo


Answers :requires input of energy
When ln(pvap) is plotted against 1/T, the slope of the line is equal to -delta Hvap /
R


Answers :XX
face centered diameter equation


Answers :a=(2 sqr rt 2) r then d=2r
weak acids and bases are also weak


Answers :electrolytes
gases are more soluble in liquids at low temps and high _______


Answers :pressures
low molarity means _____ vapor pressure


Answers :high
when a nonvolatile solute is added to a solution, the solvent vapor pressure ____

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