CHEM 104 FINAL EXAM 130 QUESTIONS WITH CORRECT ANSWERS ALREADY GRADED A+ |VERIFIED TO PASS

CHEM 104 FINAL EXAM 130 QUESTIONS WITH
CORRECT ANSWERS ALREADY GRADED A+ |
VERIFIED TO PASS


what jcan jserve jas jthe jsolvent jin ja jsolution? jliquid, jsolid, jgas, jor jall jof jthe jabove. j-

ANSWER-all jof jthe jabove
j




a jhomogeneous jmixture jconsists jof j12% jethanol, j28% jmethanol, jand j60% jwater. jwhat jis

the jsolvent? jwater, jmethanol, jethanol, jor jethanol j+ jmethanol j- jANSWER-water
j




in ja jsolution, jthe jsolute jis: j- jANSWER-the jsubstance jthat jis jdissolved



example jof jcolloid: jgrape jjuice, jhomogenized jmilk, jblood, jor jkool-aid. j- jANSWER-

homogenized jmilk



example jof jsuspension: jblood, jhomogenized jmilk, japple jjuice, jor jmayo. j- jANSWER-blood



unknown jliquid jthat jis jinsoluble jin jwater jbut jnot jin jbenzene j(an jaromatic jhydrocarbon

solvent). jwhat jtype jof jmolecule jis junknown? jpolar, jnonpolar, jneither jpolar jor jnon jpolar, jor
j




both jpolar jand jnon jpolar j- jANSWER-nonpolar
j




solubility jof j_________ jin jwater jdecreases jas jtemperature jincreases. jliquids, jsolids, jor

gases? j- jANSWER-gases
j

,which jcompound jwill jbe jmost jsoluble jin jhexane?



CH3CH2OH jCH3OH

CH3CH2CH2OH j- jANSWER-CH3CH2CH2OH



water jsolution jof jsodium jchloride jis ja jgood jconductor jof jelectricity. jdue jto jthis jproperty,

table jsalt jis jclassified jas ja(n): j
j




weak jelectrolyte, jstrong jelectrolyte, jnon-electrolyte, jor jsemi-electrolyte j- jANSWER-

strong jelectrolyte



example jof ja jweak jelectrolyte



MgCl2, jHC2H3O2, jHNO3, jor jKOH j- jANSWER-HC2H3O2



in jorder jto jprevent jthe jprocess joff jeither jcrenation jor jhemolysis jwith jred jblood jcells jan

intravenous jsolution jconcentration jshould jbe__________ jto jthe jconcentration jof jblood.
j




hypotonic, jhypertonic, jisotonic, jor jall jof jthe jabove. j- jANSWER-isotonic



the jprocess jof jcrenation joccurs jwhen jthe jconcentration joutside ja jcell jis j______ jand jis

said jto jbe j_________.
j

,lower jin jconcentration; jhypotonic

higher jin jconcentration; jhypertonic

higher jin jconcentration; jhypotonic

higher jin jconcentration; jhypertonic

none jof jthese j- jANSWER-higher jin jconcentration; jhypertonic



air jcan jbe jclassified jto jbe ja jsolution jof jseveral jgases. jwhich jgas jis jconsidered jto jbe jthe

solvent?
j




O2, jN2, jCO2, jor jH2O j- jANSWER-N2



arrange jthe jterms jsolution, jsuspension, jand jcolloid jin jorder jof jincreasing jsize jof jthe

dispersed jparticles j(smallest jto jlargest). j
j




solution j< jsuspension j< jcolloid

solution j< jcolloid j< jsuspension

suspension j< jsolution j< jcolloid

colloid j< jsolution j< jsuspension j- jANSWER-solution j< jcolloid j< jsuspension



identify jthe jtype jof jtransport jthat jwill joccur jfor jthe jsodium jions jthat jrequires jenergy jfor

transport
j

, passive jdiffusion

active jtransport

facilitated jdiffusion

all jof jthe jabove

none jof jthe jabove j- jANSWER-active jtransport



identify jthe jtype jof jtransport jthat jwill joccur jfor jthe joxygen jmolecules jthat jrequires jno

energy jfor jtransport
j




passive jdiffusion

active jtransport

facilitated jdiffusion

all jof jthe jabove

none jof jthe jabove j- jANSWER-none jof jthe jabove



predict jwhich jwill jfully jdissociate j(strong jelectrolyte) jin jwater



sugar

organic jacid jpyruvic

KCl

all

none j- jANSWER-KCl