CEM 142 EXAM 1 QUESTIONS WITH
CORRECT ANSWERS
bond |BREAKING |- |CORRECT |ANSWER✔✔-ABSORB |energy |from |surroundings
-requires |energy |to |overcome
bond |FORMING |- |CORRECT |ANSWER✔✔-RELEASE |energy |to |surroundings
effective |nuclear |charge |- |CORRECT |ANSWER✔✔-charge |felt |by |valence |electrons
-increase |in |ENC |attracts |electrons |more |strongly |toward |the |nucleus
Coulomb's |Law |- |CORRECT |ANSWER✔✔-opposite |charges |attract
-like |charges |repel
F=kq1q2/r^2
electron |pair |geometry |- |CORRECT |ANSWER✔✔-SHAPE |INCLUDING |LONE |PAIRS
-count |as |bonds
molecular |shape |- |CORRECT |ANSWER✔✔-not |including |lone |pairs
stronger |IMFs... |- |CORRECT |ANSWER✔✔-higher |boiling |point
state |function |- |CORRECT |ANSWER✔✔-depend |only |on |initial |and |final |states
-P,V,T
, First |law |of |Thermodynamics |- |CORRECT |ANSWER✔✔-energy |can |be |neither |created |nor |
destroyed
enthalpy |- |CORRECT |ANSWER✔✔-heat |absorbed |of |emitted |during |a |reaction |under |constant |
pressure
entropy |- |CORRECT |ANSWER✔✔-measure |of |the |number |of |possible |arrangements |for |a |given
|state
-for |the |universe, |always |increases
concerning |entropy, |higher |the |temperature |- |CORRECT |ANSWER✔✔-smaller |the |effect |on |
entropy
delta |G=0 |- |CORRECT |ANSWER✔✔-at |equilibrium
-during |a |phase |change
-rates |of |reactions |are |the |same, |no |net |change
saturated |- |CORRECT |ANSWER✔✔-no |more |solute |will |dissolve
-no |more |available |solvent |to |interact |with
immiscible |- |CORRECT |ANSWER✔✔-solute |and |solvent |DO |NOT |mix |up, |forming |two |layers
-ex: |oil |and |water
miscible |- |CORRECT |ANSWER✔✔-solute |and |solvent |MIX |up |and |form |a |solution |that |will |not |
unmix
using |a |volumetric |flask |- |CORRECT |ANSWER✔✔-add |solute |FIRST |and |then |fill |solvent |to |
given |line |on |flask
CORRECT ANSWERS
bond |BREAKING |- |CORRECT |ANSWER✔✔-ABSORB |energy |from |surroundings
-requires |energy |to |overcome
bond |FORMING |- |CORRECT |ANSWER✔✔-RELEASE |energy |to |surroundings
effective |nuclear |charge |- |CORRECT |ANSWER✔✔-charge |felt |by |valence |electrons
-increase |in |ENC |attracts |electrons |more |strongly |toward |the |nucleus
Coulomb's |Law |- |CORRECT |ANSWER✔✔-opposite |charges |attract
-like |charges |repel
F=kq1q2/r^2
electron |pair |geometry |- |CORRECT |ANSWER✔✔-SHAPE |INCLUDING |LONE |PAIRS
-count |as |bonds
molecular |shape |- |CORRECT |ANSWER✔✔-not |including |lone |pairs
stronger |IMFs... |- |CORRECT |ANSWER✔✔-higher |boiling |point
state |function |- |CORRECT |ANSWER✔✔-depend |only |on |initial |and |final |states
-P,V,T
, First |law |of |Thermodynamics |- |CORRECT |ANSWER✔✔-energy |can |be |neither |created |nor |
destroyed
enthalpy |- |CORRECT |ANSWER✔✔-heat |absorbed |of |emitted |during |a |reaction |under |constant |
pressure
entropy |- |CORRECT |ANSWER✔✔-measure |of |the |number |of |possible |arrangements |for |a |given
|state
-for |the |universe, |always |increases
concerning |entropy, |higher |the |temperature |- |CORRECT |ANSWER✔✔-smaller |the |effect |on |
entropy
delta |G=0 |- |CORRECT |ANSWER✔✔-at |equilibrium
-during |a |phase |change
-rates |of |reactions |are |the |same, |no |net |change
saturated |- |CORRECT |ANSWER✔✔-no |more |solute |will |dissolve
-no |more |available |solvent |to |interact |with
immiscible |- |CORRECT |ANSWER✔✔-solute |and |solvent |DO |NOT |mix |up, |forming |two |layers
-ex: |oil |and |water
miscible |- |CORRECT |ANSWER✔✔-solute |and |solvent |MIX |up |and |form |a |solution |that |will |not |
unmix
using |a |volumetric |flask |- |CORRECT |ANSWER✔✔-add |solute |FIRST |and |then |fill |solvent |to |
given |line |on |flask
