Chem 280 Exam 1 Questions With Correct Answers.

Chem 280 Exam 1 Questions With Correct
Answers
what |is |the |relationship |between |radius |and |energy |of |ion |- |ion |- |CORRECT |ANSWER✔✔-as |
radius |goes |down |energy |of |ion |- |ion |goes |up



which |elements |can |hydrogen |bond |- |CORRECT |ANSWER✔✔-HFON



polaribility |- |CORRECT |ANSWER✔✔-relative |ease |that |the |electrons |have |in |a |molecule |can |be
|distorted |so |larger |molecules |have |more |electrons |and |greater |polarizability




relationship |between |size |and |boiling |and |melting |point |- |CORRECT |ANSWER✔✔-larger |
molecules |have |higher |BP |and |MP



solubility |- |CORRECT |ANSWER✔✔-maximum |amount |of |a |substance |(solute) |that |dissolves |in |
a |given |quantity |of |solvent |at |a |given |temperature. |like |dissolves |like. |polar |solvent |can |NOT |
be |soluble |in |nonpolar |solute



phase |diagram |for |water |- |CORRECT |ANSWER✔✔-the |triple |point |is |below |one |atm |pressure |
line |where |for |other |elements |the |triple |point |is |right |above



relationship |between |vapor |pressure |and |temperature |- |CORRECT |ANSWER✔✔-VP |increases |
with |increase |in |temperature



what |happens |when |you |increase |surface |area |of |a |liquid |- |CORRECT |ANSWER✔✔-increases |
rate |of |evaporation |but |NOT |the |VP



what |do |stronger |IMF |require |to |break |- |CORRECT |ANSWER✔✔-more |kinetic |energy