SAT2-化学考试模拟测试第3套Barron’s-2016.pdfVIP

PRACTICETEST3

Note:Forallquestionsinvolvingsolutionsand/orchemicalequations,assume

thatthesystemisinwaterunlessotherwisestated.

Reminder:Youmaynotuseacalculatoronthesetests.

Thefollowingsymbolshavethemeaningslistedunlessotherwisenoted.

Henthalpy

Mmolar

nnumberofmoles

Ppressure

Rmolargasconstant

Sentropy

Ttemperature

Vvolume

atmatmosphere

ggram(s)

Jjoules(s)

kJkilojoules

Lliter(s)

mLmilliliter(s)

molmole(s)

mmmillimeter(s)

Vvolt(s)

PARTA

Directions:Everysetofthegivenletteredchoicesbelowreferstothe

numberedstatementsorformulasimmediatelyfollowingit.Choosetheone

letteredchoicethatbestfitseachstatementorformulaandthenfillinthe

correspondingovalontheanswersheet.Eachchoicemaybeusedonce,

morethanonce,ornotatallineachset.

Questions1–4refertothefollowingdiagram:

1.Theactivationenergyoftheforwardreactionisshownby

2.Theactivationenergyofthereversereactionisshownby

3.Theheatofthereactionfortheforwardreactionisshownby

4.Thepotentialenergyofthereactantsisshownby

Questions5–7refertothefollowingdiagramandinformation:

Whenastripofaluminumisplacedinasolutionofcopper(II)chloride,areaction

takesplace.Astimegoesby,abrownsolidformsonthestripofaluminumand

thebluesolutionturnsclearer.

5.Oneproductofthereactionwouldbe

(A)AlCl2

(B)AlCl3

(C)AlCl4

(D)CuAl3

(E)CuAl2

6.Thealuminumis

(A)beingdeprotonated

(B)beingdisproportionated

(C)beingreduced

(D)beingoxidized

(E