Portage learning CHEM 104 Final Exam
Questions and Answers ()
(Verified Answers)
what gcan gserve gas gthe gsolvent gin ga gsolution? gliquid, gsolid, ggas, gor gall gof gthe
g above. g- gANSWER-all gof gthe gabove
a ghomogeneous gmixture gconsists gof g12% gethanol, g28% gmethanol, gand g60%
g water. gwhat gis gthe gsolvent? gwater, gmethanol, gethanol, gor gethanol g+
g methanol g- gANSWER-water
in ga gsolution, gthe gsolute gis: g- gANSWER-the gsubstance gthat gis gdissolved
example gof gcolloid: ggrape gjuice, ghomogenized gmilk, gblood, gor gkool-aid. g-
g ANSWER-homogenized gmilk
example gof gsuspension: gblood, ghomogenized gmilk, gapple gjuice, gor gmayo. g-
g ANSWER-blood
,unknown gliquid gthat gis ginsoluble gin gwater gbut gnot gin gbenzene g(an garomatic
g hydrocarbon gsolvent). gwhat gtype gof gmolecule gis gunknown? gpolar, gnonpolar,
g neither gpolar gor gnon gpolar, gor gboth gpolar gand gnon gpolar g- gANSWER-nonpolar
solubility gof g_________ gin gwater gdecreases gas gtemperature gincreases. gliquids,
g solids, gor ggases? g- gANSWER-gases
which gcompound gwill gbe gmost gsoluble gin ghexane?
CH3CH2OH gCH3OH
CH3CH2CH2OH g- gANSWER-CH3CH2CH2OH
water gsolution gof gsodium gchloride gis ga ggood gconductor gof gelectricity. gdue gto
g this gproperty, gtable gsalt gis gclassified gas ga(n): g
weak gelectrolyte, gstrong gelectrolyte, gnon-electrolyte, gor gsemi-electrolyte g-
g ANSWER-strong gelectrolyte
example gof ga gweak gelectrolyte
MgCl2, gHC2H3O2, gHNO3, gor gKOH g- gANSWER-HC2H3O2
,in gorder gto gprevent gthe gprocess goff geither gcrenation gor ghemolysis gwith gred
g blood gcells gan gintravenous gsolution gconcentration gshould gbe__________ gto
g the gconcentration gof gblood.
hypotonic, ghypertonic, gisotonic, gor gall gof gthe gabove. g- gANSWER-isotonic
the gprocess gof gcrenation goccurs gwhen gthe gconcentration goutside ga gcell gis
g ______ gand gis gsaid gto gbe g_________.
lower gin gconcentration; ghypotonic
higher gin gconcentration; ghypertonic
higher gin gconcentration; ghypotonic
higher gin gconcentration; ghypertonic
none gof gthese g- gANSWER-higher gin gconcentration; ghypertonic
air gcan gbe gclassified gto gbe ga gsolution gof gseveral ggases. gwhich ggas gis
g considered gto gbe gthe gsolvent?
O2, gN2, gCO2, gor gH2O g- gANSWER-N2
arrange gthe gterms gsolution, gsuspension, gand gcolloid gin gorder gof gincreasing
g size gof gthe gdispersed gparticles g(smallest gto glargest). g
, solution g< gsuspension g< gcolloid
solution g< gcolloid g< gsuspension
suspension g< gsolution g< gcolloid
colloid g< gsolution g< gsuspension g- gANSWER-solution g< gcolloid g< gsuspension
identify gthe gtype gof gtransport gthat gwill goccur gfor gthe gsodium gions gthat
g requires genergy gfor gtransport
passive gdiffusion
active gtransport
facilitated gdiffusion
all gof gthe gabove
none gof gthe gabove g- gANSWER-active gtransport
identify gthe gtype gof gtransport gthat gwill goccur gfor gthe goxygen gmolecules gthat
g requires gno genergy gfor gtransport
passive gdiffusion
active gtransport
facilitated gdiffusion
all gof gthe gabove
none gof gthe gabove g- gANSWER-none gof gthe gabove
