應(yīng)用化學(xué)專業(yè)英語第二版萬有志主編版(課后答案和課文翻譯)

1、Unit1TheRootsofChemistryI.Comprehension.1.C2.B3.D4.C5.BII.Makeasentenceoutofeachitembyrearrangingthewdsinbrackets.1.Thepurificationofanganiccompoundisusuallyamatterofconsiderabledifficultyitisnecessarytoemployvariousmeth

2、odsfthispurpose.2.Scienceisaneverincreasingbodyofaccumulatedsystematizedknowledgeisalsoanactivitybywhichknowledgeisgenerated.3.Lifeafterallisonlychemistryinfactasmallexampleofchemistryobservedonasinglemundanepla.4.People

3、aremadeofmoleculessomeofthemoleculesinpeoplearerathersimplewhereasothersarehighlycomplex.5.Chemistryiseverpresentinourlivesfrombirthtodeathbecausewithoutchemistrythereisneitherlifendeath.6.Mathematicsappearstobealmostash

4、umankindalsopermeatesallaspectsofhumanlifealthoughmanyofusarenotfullyawareofthis.III.Translation.1.(a)chemicalprocess(b)naturalscience(c)thetechniqueofdistillation2.Itistheatomsthatmakeupironwateroxygenthelikesoonsofthot

5、herwise.3.Chemistryhasaverylonghistyinfacthumanactivityinchemistrygoesbacktoprerecdedtimespredatingrecdedtimes.4.AccdingtoFromtheevapationofwaterpeopleknowrealizedthatliquidscanturnbechangeintogasesundercertainconditions

6、circumstanceenvironment.5.Youmustknowthepropertiesofthematerialbefeyouuseit.IV.Translation化學(xué)是三種基礎(chǔ)自然科學(xué)之一，另外兩種是物理和生物。自從宇宙大爆炸以化學(xué)是三種基礎(chǔ)自然科學(xué)之一，另外兩種是物理和生物。自從宇宙大爆炸以來，化學(xué)過程持續(xù)進(jìn)行，甚至地球上生命的出現(xiàn)可能也是化學(xué)過程的結(jié)果。人來，化學(xué)過程持續(xù)進(jìn)行，甚至地球上生命的出現(xiàn)可能也是化學(xué)過程的

7、結(jié)果。人們也許認(rèn)為生命是三步進(jìn)化的最終結(jié)果們也許認(rèn)為生命是三步進(jìn)化的最終結(jié)果第一步非常快第一步非?？炱溆鄡刹较喈?dāng)慢。這三其余兩步相當(dāng)慢。這三步是：（步是：（I）物理進(jìn)化（化學(xué)元素的產(chǎn)生））物理進(jìn)化（化學(xué)元素的產(chǎn)生），（IIII）化學(xué)進(jìn)化（分子和生物分子的）化學(xué)進(jìn)化（分子和生物分子的形成）形成）；和（；和（IIIIII）生物進(jìn)化（有機(jī)物的形成和發(fā)展））生物進(jìn)化（有機(jī)物的形成和發(fā)展）。V.Solution:（1）Therelativemas

8、sof1H12Catomscanbecalculatedfromtheirabsolutemassesingrams.1241223H1.6735100.083986C1.992610??????dichromateionfluideionnitrateionoxideionhydrogencarbonateionnitriteionsulfideionhydrogensulfateionperchlateionsulfateionhy

9、drogensulfiteionpermanganateion.III.Completethetable.FmulaOldnameSystematicnameFeOiron(II)oxideFe2O3iron(III)oxideSn(OH)2tin(II)hydroxideSn(OH)4tin(IV)hydroxideHg2SO4mercury(I)sulfateHgSO4mercury(II)sulfateNaCLOsodiumhyp

10、ochliteK2Cr2O7potassiumdichromateCu3(AsO4)2copper(II)arsenateCr(C2H3O2)3chromium(IV)acetateIV.Acidnamesmaybeobtaineddirectlyfromitsacidionbychangingthenameoftheacidion(negativeion).Usetheruletogivethenameofthefollowingac

11、id.FmulaofacidOldnameNameofacidH2CO3carbonicacidHClO2chlousacidHClO4perchlicacidHCNhydrocyanicacidHBrhydrobromicacidH4SiO4silicicacidH3AsO4arsenicacidV.Completethesentenceswiththeproperfmofthewdgivenattheendofthesentence

12、.1.isaltered2.Toillustrate3.indicates4.shouldexpect5.wouldcancel6.arepulled7.dependon8.arereferred9.fmed10.havediscussedVI.Translation1.Mattercanneitherbecreatednbedestroyedeliminated.2.Itisnecessarythatascientistmustkno

13、whowtousefingurestogetanaccutateanswertoquestion.3.Anysubstanceismadeofatomswhetheritissolidliquidgas.4.Theexperimentwassuccessful.It’sresultswasthesameaswhatwehadexpected.5.Itwillnotbelongbefewefinishtheexperiment.VII.W