Portage learning CHEM 104 Final Exam Questions and Answers (2025 / 2026) (Verified Answers)

Portage learning CHEM 104 Final Exam
Questions and Answers ()
(Verified Answers)



1. what can serve as the solvent in a solution? liquid, solid, gas, or
x , x , x , x , x , x , x , x , x , x , x , x ,




xall of the above.ANS: all of the above
, x , x , x , x, x, x, x,




2. a homogeneous mixture consists of 12% ethanol, 28% methanol, and 60%
x , x , x , x , x , x , x , x , x , x ,




xwater. what is the solvent? water,methanol,ethanol,or ethanol + methanol ANS:- water
, x, x, x, x, x, x, x, x, x, x, x, x, x, x,




3. inasolution,thesoluteis:ANS:thesubstancethatisdissolved
x, x, x, x, x, x, x, x, x, x, x,




4. example of colloid: grape juice, homogenized milk, blood, or kool-aid.ANS: x , x , x , x , x , x , x , x , x ,




xho- mogenized milk
, x, x,




5. exampleofsuspension:blood,homogenizedmilk,applejuice,ormayo.ANS:-blood
x, x, x, x, x, x, x, x, x, x, x, x,




6. unknown liquid that is insoluble in water but not in benzene (an aromatic x, x, x, x, x, x, x, x, x, x, x, x,




hydrocarbonsolvent).whattypeofmoleculeisunknown?polar,nonpolar,neither
x, x, x, x, x, x, x, x, x, x, x,




polar or non polar, or both polar and non polar ANS: nonpolar
x, x, x, x, x, x, x, x, x, x, x, x,




7. solubility of x, x, inwaterdecreasesastemperatureincreases.liq-uids,
x, x, x, x, x, x, x,




solids, or gases? ANS: gases
x, x, x, x, x,




8. whichcompoundwillbemostsolubleinhexane? x, x, x, x, x, x, x,




CH3CH2OHCH3OHCH3CH2CH2OH x, x,

, ANS:CH3CH2CH2OH
x,




9. watersolutionofsodiumchlorideisagoodconductorofelectricity.duetothis
x, x, x, x, x, x, x, x, x, x, x, x, x,




property, table salt is classified as a(n):
x, x, x, x, x, x, x,




weakelectrolyte,strongelectrolyte,non-electrolyte,orsemi-electrolyteANS:strong electroly
x, x, x, x, x, x, x, x, x,




10. exampleofaweakelectrolyte x, x, x, x,




MgCl2,HC2H3O2,HNO3,orKOHANS:HC2H3O2
x, x, x, x, x, x,




11. in order to prevent the process off either crenation or hemolysis with red blood cells
x, x, x, x, x, x, x, x, x, x, x, x, x, x,




an intravenous solution concentration should be
x, x, x, to x, x, x,




the concentration of blood.
x, x, x, x,




hypotonic,hypertonic,isotonic,oralloftheabove.ANS:isotonic
x, x, x, x, x, x, x, x, x,




12. theprocessofcrenationoccurswhentheconcentrationoutsideacellis
x, x, x, x, x, x, x, x, x, x, x,




and is said to be x, x, x, x, x, .

lowerinconcentration;hypotonichigherin
x, x, x, x, x,




concentration; hypertonic higher in
x, x, x, x,




concentration; hypotonic
x, x,

,higherinconcentration;hypertonic
x, x, x,




noneoftheseANS:higherinconcentration;hypertonic
x, x, x, x, x, x, x,




13. aircanbeclassifiedtobeasolutionofseveralgases.whichgasisconsidered to be
x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x,




the solvent?
x, x,




O2,N2,CO2,orH2OANS:N2
x, x, x, x, x, x,




14. arrangethetermssolution,suspension,andcolloidinorderofincreasingsizeofthe x, x, x, x, x, x, x, x, x, x, x, x, x,




dispersed particles (smallest to largest).
x, x, x, x, x,




solution < suspension < colloid x, x, x, x,




solution < colloid < suspension
x, x, x, x, x,




suspension < solution < colloid
x, x, x, x, x,




colloid<solution<suspensionANS:solution<colloid<suspension
x, x, x, x, x, x, x, x, x, x,




15. identifythe type of transport that will occur forthe sodiumions that requires x, x, x, x, x, x, x, x, x, x, x, x, x,




energy for transport
x, x, x,




passivediffusionactive x, x,




transport facilitated
x, x,




diffusion all of the
x, x, x, x,




above
x,




noneoftheaboveANS:activetransport
x, x, x, x, x, x,




16. identifythetypeoftransportthatwilloccurfortheoxygenmoleculesthatrequires no x, x, x, x, x, x, x, x, x, x, x, x, x, x,




energy for transport
x, x, x,

, passivediffusionactive x, x,




transport facilitated
x, x,




diffusion all of the
x, x, x, x,




above
x,




noneoftheabove:ANSnoneoftheabove
x, x, x, x, x, x, x, x,




17. predictwhichwillfullydissociate(strongelectrolyte)inwater
x, x, x, x, x, x, x, x,




sugar
x,




organicacidpyruvicKCl x, x, x,




all
x,




noneANS:KClx, x,




18. in order to prevent the process of either crenation or hemolysis with red blood cells an
x, x, x, x, x, x, x, x, x, x, x, x, x, x, x,




intravenous solution concentration should be
x, x, to the x, x, x, x, x,




concentration of blood.
x, x, x,