化学专业英语化学专业英语课期末考试试卷含答案
济南大学成人教育《化学工程与工艺专业英语(224201)》期末考试复习题及参考答案
9.钠：（ ）
A、sodium，Na B、iron，Fe C、gold，Au D、iodine，I E、nitrogen，N F、tin，Sn
答案： A
10.氧：（ ）
A、calcium，Ca B、carbon，C C、oxygen，O D、silver，Ag E、hydrogen，H F、chlorine，Cl
氧 答案： 二 化硫
13. aluminum oxide：（ ）
氧 铝 答案： 化
四、 句式改写
请 两 简单 为 导 1. 将 个 句合并 which或that引 的从句
The peak of graphene oxide was shifted to 22.5°. This is due to partial reduction of graphene oxide to graphene caused by coprecipitation reaction of iron ions.
苯 答案： 三甲基
3. calcium hypochlorite：（ ）
氯 钙 答案： 次 酸
4. sodium perchlorate：（ ）
氯 钠 答案： 高 酸
5. copper sulphate：（ ）
铜 答案： 硫酸
6. 2-hexene：（ ）
烯 答案： 2-己
7. dichloromethane：（ ）
单词 两 答案： therefore、hence、consequently、thus,在表示“因此”的 任意 个
4. replace：（ ）、（ ）
单词 两 答案： displace、substitute,在表示“替代”的 任意 个
5. in addition to：（ ）、（ ）
化学化工专业英语试卷及答案
化学化工专业英语试卷及答案标准化管理部编码-[99968T-6889628-J68568-1689N]2011年春季学期应用化学专业《08级化学化工专业英语试卷答案》1. state-of-the-industry 中文：工业发展水平（1分）2. alkyl ether sulfate中文：烷基醚硫酸盐（酯）（分）3. W/O 英文： water in oil，(oil emulsion) ；中文：油乳胶（油包水）（分）4. 2,6-Dimethy-2,7-octadien-6-ol 画出结构式：（4分）5. The inherent tendency of the whole or a part of a molecule to pass out of or not to penetrate into a water phase.英文： Hydrophoby ；中文：疏水性（亲油性）分)6. A substance which, when introduced in a liquid, increases its wetting tendency.英文： Wetting agent ；中文：润湿剂分)7. The process by which soil is dislodged from the substrate and bought into a state of solution or dispersion.英文： Detergency ；中文：去污性（力）分)8. An attribute which is related to benefit not directly but through association or suggestion.英文： Signal attribute ；中文：信号属性分)9. A colorless gas with a characteristic pungent odor, consisting of nitrogen and hydrogen.英文： ammonia ；中文：氨气 (2分)10. A chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom.英文： Carbon dioxide ；中文：二氧化碳 (2分)11. A chemical element with atomic number 9, it is the lightest halogen.英文： Fluorine ；中文：氟 (2分)12. KH2PO4 Potassium dihydrogen phosphate (2分)13. ZnSO4·7H2O Zinc sulfate hept(a)hydrate (2分)14.3-methyl-2-ethyl(-1-)butene (3-methyl-2-ethyl but-1-ene) 分) 15.4-(1-ethyl-butayl)-5-hydroxy-2-hexayne-1-al 分)16. A good example of such a versatile attribute is fragrance. (2分)译文：这样一个多功能属性的好例子就是香味。
化学专业英语试卷B答案
2013—2014学年度第一学期应用化学专业专业英语课程试卷A注意事项：1. 考生务必将自己姓名、学号、专业名称写在指定位置；2. 密封线和装订线内不准答题;一、词汇填空 写出下列每个词汇对应的英汉单词共20小题,每空1分,共20分 1、 分子 molecule2、 物理性质 physical property3、 硬度 hardness4、 电解质 electrolyte5、 熔点 melting point6、 沸点 boiling point7、 离子键 ionic bond or electrovalent bond8、 晶体 crystal9、 硅 silicon10、钾 potassium11、溶解度 solubility12、构型 configuration13、挥发性 volitility14、正电荷 positive charge15、phosphorus 磷16、alcohol 乙醇17、acetone 丙酮18、base 碱19、acid 酸20、ether 乙醚二、给下列无机化合物的英语名称共10小题, 每小题2分,共20分1、 NaCN Sodium cyanide2、 BaOH 2 Barium hydroxide3、 KMnO 4 Potassium permanganate4、 H 2SO 4 Sulfuric acid5、 ZnSO 4 zinc sulfate or zinc sulphate6、 FeS Iron II sulfide or Ferrous sulfide7、 H 3PO 4 phosphoric acid8、 H 2SO 3 Sulfurous acid9、 HClO 4 Perchloric acid10、FeCl 3 iron III chloride or ferric chloride二、给下列有机化合物的英语名称共5小题, 每小题4分,共20分1. 甲乙醚 ethyl methyl ether2.对甲基苯酚 4-methyl phenol3.苯乙烯 styrene4.CH3CH＝CCH2CH3 CH2 OH 2-ethyl-2-buten-1-ol5.CH33CCH2CH2OH 4,4-dimethyl-1-butanol or 4,4-dimethyl butanol三、英译汉共10小题, 每小题4分,共40分1、Carbon-sodium and carbon-potassium bonds are largely ionic incarbon-lead, carbon-tin, carbon-thallium and carbon-mercury bonds are essentially covalent.碳-钠键和碳-钾键有较大的离子性,碳-铅键,碳-锡键,碳-铊键和碳-汞键基本上属于共价键;2、The reactivity of organometallic compounds increases with the percent ionic character ofthe carbon-metal bond.金属有机化合物的反应活性随着碳金属键中离子性所占的百分数的增大而增强;3、Organometallic compounds of lithium and magnesium are of great importance in organicsynthesis.锂和镁的金属有机化合物在有机合成上有重大的意义;4、Unlike absorption, in which solute molecules diffuse from the bulk of a gas phase to thebulk of a liquid phase, in adsorption molecules diffuse from the bulk of the fluid to the surface of the solid adsorbent, forming a distinct adsorbed phase.在吸收过程中,溶质分子从气相主体中扩散的液相主体中;但是在吸附过程中,分子从流体主体中扩散到固体吸附剂的表面,形成一个独立的吸附相;5、Equipment for extraction must be capable of providing intimate contact between two phasesso as to affect transfer of solute between them and also of ultimate effecting a complete separation of the phases.提取的设备必须能够让两相有紧密的接触,使得两相中溶质的转移得以实现; 同时这个设备还要让两相的分离得以实现;6、Any potential application of adsorption has to be considered along with alternatives, notablydistillation, absorption and liquid extraction.任何可能的对于吸附的应用必须和其他的分离手段一起考虑来比较优劣,例如蒸馏,吸收和液相萃取;7、Leaching refers to the extraction of a soluble constituent from a solid by means of a solvent.浸提指的是通过使用一种溶剂把一种可溶性组分从固体中分离出来的提取办法;8、Separation of the compounds of a mixture by distillation takes advantages of the fact thatdifferent substances can differ in the degree to which they can be vaporized under the conditions of the experiment.通过蒸馏来分离混合物中的组分利用的是这样一个原理：不同的物质在同一个实验条件下气化的程度有区别;9、In a mixture of two completely immiscible liquids, each exerts its own vapor pressureindependently of the other.在一个由两个完全不互溶的液体所形成的混合物中,每一种液体都形成各自独立的蒸气压,相互不影响;10、On both large and small scale crystallization is the most important method for thepurification of solid organic compounds无论是在大规模还是小规模上,结晶都是一种非常重要的提纯固体有机物的方法;。
应用化学专业英语及答案
黄冈师范学院2009—2010学年度第一学期期末试卷考试课程：专业英语考核类型：考试A卷考试形式：闭卷出卷教师：杨一思考试专业：化学考试班级：应用化学200601 一、Translate the following into English（20 points）1.过滤2.浓缩3.结晶化4.吸附5. 蒸馏6．超临界的7.二氯甲烷8.热力学平衡9.亲电性10.表面张力11.共轭的12.酮13.平衡常数14.丙基15.丁基16.亚甲基18.环己酮19.同位素20.标准熵二、Translate the following into Chinese（20 points）1. methyl propanoate2. rate constant3. ethyl methyl ketone4. free energy5. radical intermediate6. isobutyl methyl ether7. 3-chloropropene8. primary radical9. n-propyl bromide10. bond energy 11. circulating electrons12. local magnetic fields13. tetramethylsilane14. mass to charge ratios15 phenylamine16 amide17. amine18. nucleophile19. perchlorate20. carbocation三、Translation the following into chinese （40 points）A卷【第1页共 3 页】1. We can see why benzene is stable: according to resonance theory, the more resonance forms a substance has, the more stable it is. Benzene, with two resonance forms of equal energy, is therefore more stable and less reactive than a typical alkene.2. Membranes can be defined essentially as barrier, which separates two phases and restricts transport of various chemicals in a selective manner. A membrane can be homogenous or heterogeneous, symmetric or asymmetric in structure, solid or liquid, can carry a positive or negative charge or be neutral or bipolar. Transport through a membrane can be effected by convection or by diffusion of individual molecules, induced by an electric field or concentration, pressure or temperature gradient. The membrane thickness may vary from as small as 100 micron to several mms.3. The most common industrial adsorbents are activated carbon, silica gel, and alumina, because they present enormous surface areas per unit weight.A surface already heavily contaminated by adsorbates is not likely to have much capacity for additional binding, but further heating will drive off these compounds to produce a surface with high adsorptive capacity.Temperature effects on adsorption are profound, and measurements are usually at a constant temperature. Graphs of the data are called isotherms. Most steps using adsorbents have little variation in temperature.A卷【第2页共 3 页】4. In the absence of peroxides, hydrogen bromide adds to peopene via the Markovnikov pathway to yield isopropyl bromide. In the presence of peroxides, however, the order of addition is reversed, and the product is n-propyl bromide; the addition in this case is said to be anti-Markovnikov. This is interpreted in terms of initiation of the addition reaction by bromine atom, rather than by a proton, as is the case for electrophilic addition.四、Translate the following paragraphs into Chinese（20 points）1．Benzene and its derivatives can be nitrated using a mixture of concentrated nitric and sulphuric acid. The temperature must be controlled to prevent more than one nitro-group going in.2. Benzene can be made to react with halogen derivatives using aluminium chloride as a catalyst. This is called a Friedel-Crafts reaction.can be sulphonated by reacting it with fuming sulphuric acid(oleum). The benzene reacts with sulphur trioxide in the oleum.benzene is converted into ethylbenzene by reacting it with ethene. The ethylbenzene (also called styrene) is used to make polystyrene.黄冈师范学院2009—2010学年度第一学期期末试卷参考答案及评分标准考试课程：专业英语考核类型：考试A卷考试形式：闭卷出卷教师：杨一思考试专业：化学考试班级：应用化学200601 一、Translate the following into English（20 points）2. concentrate 4. adsorption chlorideequilibriumtensionconstant14. propylmagneticresonanceentropy二、Translate the following into Chinese（20 points）1. 丙酸甲酯2. 速率常数3. 甲乙酮4. 自有能5. 自由基中间体6. 异丁基甲醚7. 3-氯丙烯8. 伯自由基9. 正丙基溴化10. 键能11.循环电子12. 局部电磁场13. 四甲基硅烷14. 质荷比15.苯胺16.氨基化合物17.胺18亲核试剂19.高氯酸盐20.碳正离子三、Translation the following into chinese （50 points）1．依据共振理论，物质具有的共振式越多就越稳定。
大学化学化工专业《英语》期末考试试卷含参考答案
大学化学化工专业《英语》期末考试试卷含参考答案1. state-of-the-industry 中文：工业发展水平（1分）2. alkyl ether sulfate中文：烷基醚硫酸盐（酯）（1.5分）3. W/O 英文： water in oil，(oil emulsion) ；中文：油乳胶（油包水）（1.5分）4. 2,6-Dimethy-2,7-octadien-6-ol 画出结构式：（4分）5. The inherent tendency of the whole or a part of a molecule to pass out of or not to penetrate into a water phase.英文： Hydrophoby ；中文：疏水性（亲油性） (1.5分) 6. A substance which, when introduced in a liquid, increases its wetting tendency.英文： Wetting agent ；中文：润湿剂 (1.5分)7. The process by which soil is dislodged from the substrate and bought into a state of solution or dispersion.英文： Detergency ；中文：去污性（力） (1.5分)8. An attribute which is related to benefit not directly but through association or suggestion.英文： Signal attribute ；中文：信号属性 (1.5分) 9. A colorless gas with a characteristic pungent odor, consisting of nitrogen and hydrogen.英文： ammonia ；中文：氨气 (2分)10. A chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom.英文： Carbon dioxide ；中文：二氧化碳 (2分)11. A chemical element with atomic number 9, it is the lightest halogen.英文： Fluorine ；中文：氟 (2分)12. KH2PO4 Potassium dihydrogen phosphate (2分)13. ZnSO4·7H2O Zinc sulfate hept(a)hydrate (2分)14.3-methyl-2-ethyl(-1-)butene (3-methyl-2-ethyl but-1-ene) (3.5分)15.4-(1-ethyl-butayl)-5-hydroxy-2-hexayne-1-al (7.5分) 16. A good example of such a versatile attribute is fragrance. (2分)译文：这样一个多功能属性的好例子就是香味。
化学化工专业英语试卷及答案
2011年春季学期应用化学专业《08级化学化工专业英语试卷答案》1. state-of-the-industry 中文：工业发展水平（1分）2. alkyl ether sulfate中文：烷基醚硫酸盐（酯）（1.5分）3. W/O 英文：water in oil，(oil emulsion) ；中文：油乳胶（油包水）（1.5分）4. 2,6-Dimethy-2,7-octadien-6-ol 画出结构式：（4分）5. The inherent tendency of the whole or a part of a molecule to pass out of or not to penetrate into a water phase.英文：Hydrophoby ；中文：疏水性（亲油性）(1.5分)6. A substance which, when introduced in a liquid, increases its wetting tendency.英文：Wetting agent ；中文：润湿剂(1.5分)7. The process by which soil is dislodged from the substrate and bought into a state of solution or dispersion.英文：Detergency ；中文：去污性（力）(1.5分)8. An attribute which is related to benefit not directly but through association or suggestion.英文：Signal attribute ；中文：信号属性(1.5分)9. A colorless gas with a characteristic pungent odor, consisting of nitrogen and hydrogen.英文：ammonia ；中文：氨气(2分)10. A chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom.英文：Carbon dioxide ；中文：二氧化碳(2分)11. A chemical element with atomic number 9, it is the lightest halogen.英文：Fluorine ；中文：氟(2分)12. KH2PO4Potassium dihydrogen phosphate (2分)13. ZnSO4·7H2O Zinc sulfate hept(a)hydrate (2分)14.3-methyl-2-ethyl(-1-)butene (3-methyl-2-ethyl but-1-ene) (3.5分) 15.4-(1-ethyl-butayl)-5-hydroxy-2-hexayne-1-al (7.5分)16. A good example of such a versatile attribute is fragrance. (2分)译文：这样一个多功能属性的好例子就是香味。
化学专业英语试卷B答案
化学专业英语试卷B答案文档编制序号：[KKIDT-LLE0828-LLETD298-POI08]2013—2014学年度第一学期应用化学专业《专业英语》课程试卷（A）注意事项：1. 考生务必将自己姓名、学号、专业名称写在指定位置；2. 密封线和装订线内不准答题。
一、词汇填空（写出下列每个词汇对应的英汉单词）（共20小题，每空1分，共20分）1、分子（ molecule ）2、物理性质（ physical property）3、硬度（ hardness ）4、电解质（ electrolyte ）5、熔点（ melting point ）6、沸点（ boiling point ）7、离子键（ ionic bond or electrovalent bond ）8、晶体（ crystal ）9、硅（ silicon ）10、钾（ potassium ）11、溶解度（ solubility ）12、构型（ configuration ）13、挥发性 ( volitility）14、正电荷（ positive charge ）15、phosphorus（磷）16、alcohol （乙醇）17、acetone （丙酮）18、base （碱）19、acid （酸）20、ether （乙醚）二、给下列无机化合物的英语名称（共10小题, 每小题2分，共20分）1、NaCN Sodium cyanide2、Ba(OH)2 Barium hydroxide3、KMnO4 Potassium permanganate4、H2SO4 Sulfuric acid5、ZnSO4 zinc sulfate or zinc sulphate6、FeS Iron (II) sulfide or Ferrous sulfide7、H3PO4 phosphoric acid8、H2SO3 Sulfurous acid9、HClO4 Perchloric acid10、FeCl3 iron (III) chloride or ferric chloride二、给下列有机化合物的英语名称（共5小题, 每小题4分，共20分）1.甲乙醚 ethyl methyl ether2.对甲基苯酚 4-methyl phenol3.苯乙烯 styrene4.CH3CH＝C(CH2CH3) CH2 OH 2-ethyl-2-buten-1-ol5.(CH3)3CCH2CH2OH 4,4-dimethyl-1-butanol or 4,4-dimethyl butanol三、英译汉（共10小题, 每小题4分，共40分）1、Carbon-sodium and carbon-potassium bonds are largely ionic in character;carbon-lead, carbon-tin, carbon-thallium and carbon-mercury bonds are essentially covalent.碳-钠键和碳-钾键有较大的离子性，碳-铅键，碳-锡键，碳-铊键和碳-汞键基本上属于共价键。
2020-2021某大学《化学专业英语》期末课程考试试卷(含答案)
《化学专业英语》期末课程考试试卷考试所需时间：120分钟适用专业：应用化学总分：100分PartⅠ、Choice（28×1.5=42）1 How many neutrons are present in an atom of tin that has the atomic number 50 and a mass number of 119?A. 50B.69C. 119D. 1692. Isotopes of an element differ in their ____.A. atomic numbersB. electron configurationsC. number of protonsD. masses3. Atomic masses for elements shown on the periodic table are not expressed as whole numbers because __A. the number of protons in an atom of an element variesB. atoms may gain or lose electrons during a chemical reactionC. they represent weighted averages of the isotopes of that atomD. scientists cannot measure the masses of atoms with great precision4. Group 17 elements, the halogens, are the most reactive of the nonmetals because they ____.A. are the farthest to the right of the periodic tableB. require only one electron to form the stable configurations of the noble gasesC. have the largest atomic radiiD. have the greatest ionization energies5.In the modem periodic table, elements are ordered ac-cording to ____.A. decreasing atomic massB. Mendeleev's original designC. increasing atomic numberD. when they were discovered6.The energy it takes to remove an electron from an atom as you move left to right across the period, from Na through to Cl, ___.A. generally increasesB. generally decreasesC. does not changeD. varies unpredictably7.Which of the following is the correct formula for iron (III) sulfate? ____.A. Fe3SO4C. Fe3(SO4)2B. Fe2(SO4)3D. 3FeSO48. The electroneutrality principle ____.A. states that the number of cations equals the number of anionsB. is demonstrated in any polyatomic ionC. states that the net charge on a binary ionic com-pound is zeroD. all of the above9. The correct name for NH4NO3is ____.A. ammonium carbonateB. ammonium hydroxideC. ammonium acetateD. ammonium nitrate10. When an acid reacts with a metal, ____A.the hydronium ion concentration increasesB.the metal forms anionsC.water is producedD.the pH value decreases11.Which of the following is a binary acid ?A. H2O B. H3PO4C. H2SO4D. HCl12.Which of the following solutions would have a pH value greater than 7 ?A.[OH-]=2.4×10-2MB.[H3O+]=1.53×10-4MC.0.0001M HClD.[OH-]=4.41×10-11M13.If the empirical formula of a compound is known, thenA. its true formula is also knownB. its percentage composition can be calculatedC. the arrangement of its atoms is also knownD. the percentage water in the compound can be determined14.The units for molar mass are ___A. g/mol C. g/atomsB. atoms/mol D. mol/g15.Which of the following compounds has the highest percentage composition of oxygen?A. CH4O C. H2OB CO2 D. Na2CO316.Pressure can be measured in ___A. grams C. pascalsB. meters D. liters17.A sample of oxygen gas has a volume of 150 mL when its pressure is 0.947 atm. If the pressure is increased to 0. 987 atm and the temperature remains constant, the new gas volume will be ___A. 140 mL C. 200 mLB. 160 mL D. 240 mL18.A sample of neon gas occupies a volume of 752 mL at 25℃. What volume will the gas occupy at 500℃ if the pressure remains constant? ___A. 694 mL C. 815 mLB. 752 mL D. 955 mL19.Potatoes will cook faster at sea level than at higher altitudes because the water used to cook them willA. be boiling more rapidlyB. boil at a lower temperatureC. increase in temperature while boilingD. boil at a higher temperature20.If the temperature outside is 26℃,then the temperature would be ____ kelvins.A. 26 C. 299B. 273 D. -24721. If the empirical formula of a compound is known, thenA. its true formula is also knownB. its percentage composition can be calculatedC. the arrangement of its atoms is also knownD. the percentage water in the compound can be determined22.Examine the following skeletal structure:OHOThe correct chemical formula for this compound isA. C2H4O2C. C5H8O2B. C5H4O2D. CHO23.Identify the following reactions as either reduction or oxidation. Indicate whether they occur at the cathode or anode. A. Ra(s) →Ra2+(aq) + 2e-B. Hg22+(aq) + 2e-→2Hg(l)C. Pb(s) + SO42-(aq) →PbSO4(s) + 2e-D. O2(g) + 2H2O(l) + 4e-→4OH-(aq)24.In the following reaction, which species is being reduced?2K+Br2→2K++2Br-A. K only C. both K and Br2B. Br2only D. neither K nor Br225.The electrode at which reduction occurs is ____.A. always the anodeB. always the cathodeC. either the anode or the cathodeD. always the half-cell26. Sulfuric acid, H2SO4, or a similar substance is added to water that is to be electrolyzed in order to ____.A. react with the waterB. keep the electrode cleanC. provide adequate conductivityD. supply energy27.If an exothermic reaction has reached equilibrium, increasing the temperature willA. favor the forward reactionB. favor the reverse reactionC. favor both the forward and reverse reactionD. have no effect on the equilibrium28 Consider the following reaction:COBr2(g) →CO(g) + Br2(g)At 73°C , the Keqvalue for this reaction is 0.190. This Keqvalue indicates that ____.A. the reverse reaction is favoredB. the forward reaction is favoredC. the reaction has reached equilibriumD. the concentrations of CO(g) and Br2(g) are greater than theconcentration of Br2(Part Ⅱ common skill (20×0.5=10)1.write out the English speaking of the following symbol s(1).Mg(OH)2(2)↓→+++3223CaCOCaCO (3).log n x(4).nX(5).−−→−∆,Cu (6). X -8 (7). 1235(8). 3:2 (9). ± (10).100℃2.write out the chemical Chinese meaning of the followingabbreviation(1).alc. (2).amt. (3).A ·P (4).app. (5).contg. (6).C ·P (7).detn. (8).fig. (9).L-R (10).resp.Part Ⅲ Write out IUPAC naming of the following organic matter in English ( 1.5×8=12)CH 3CH 3CH 3CH 3⑴ C H 3CH 3CH 3CH 3⑵CH 2CH 3⑶C H 3CH 3H 3OH ⑷CH 3O CH 3⑸CH 3CH 3O⑹CH 3OHO ⑺CH 32O⑻Part Ⅳ write out English name of the following chemical elements(1×10)H B C N O F Si S K ClPart Ⅴ Translate the following passages into Chinese (2×8+1×10=26)Passage one : Certain membranes made of an animal bladder, a slice ofvegetable tissue, or a piece of parchment, act as a barrier between twosolutions, and simultaneously allow specific types of molecules. These are called semipermeable membranes. Semipermeable membranes that allow passage of solvent molecules but do not allow passage of solute molecules or ions are called osmotic membranes. If a NaCl solution is separated from pure water by an osmotic membrane, H 2O molecules spontaneously penetrate the membrane from both directions; however, passage across the membrane from the pure water side is faster than passage across the membrane from the solution side. The net result is exactly like that illustrated already previously and involves a net transfer of H 2O from the pure water side of the membrane to the solution side of the membrane. The passage of solvent molecules from a region with little or no dissolved solute, through an osmotic membrane, to a region with more dissolved solute is called osmosis.Passage two: As in ionic bonding and covalent bonding, outer shell electrons are responsible foe bonding between metal atoms. However, it is unreasonable to assume that ionic bonds occur between metal atoms since all the atoms are alike and no single atom would give up electrons to another atom. Covalent bonding between metal atoms is almost as unreasonable because not enough outer shell electrons are available for as many shared-pair bonds as each metal atom seems to form. Instead, a metallic lattice consists of a regular array of positive ions immersed in a cloud of highly mobile outer shell electrons. Metals have relatively low ionization energies or relatively loose holds on their outer shell electrons. These electrons are free to move throughout the metallic lattice. Metallic bonding results from attraction between the positive ions and the cloud of negative electrons. Such attractive forces are weaker than ionic or covalent bonding forces. Thus, many metals are soft and fairly low melting. Potassium is soft enough to be cut with a knife and melt at 68.7℃. On the other hand, some of the transition metals, where significant covalent character is superimposed on the metallic lattice, are hard and high melting.Tungsten is very hard and melts at about 3410℃Passage three: Major branches of Chemistry .The body of knowledge about chemicals and chemical reactions is so vast that for convenience chemists have divided the study of chemistry into several major branches: l. Analytical chemistry: The study of what types of elements and compounds are present in a sample of matter — called qualitative analysis — and how much of each element and compound is present in a sample of matter — called quantitative analysis.2. Physical chemistry: The study of the scientific laws and theories that attempt to describe and explain the structure of matter, the chemical bonds that hold matter together, the changes that matter undergoes, and the energy involved in these changes.3. Organic chemistry: The study of the properties and reactions of hydrocarbons, compounds containing only the elements carbon and hydrogen, and other compounds derived from hydrocarbons that contain one or more other elements such as oxygen, nitrogen, sulfur, phosphorus, and chlorine. About4.9 million of the 5 million officially identified compounds are classified as organic compounds—explaining why an entire branch of chemistry is devoted to studying these compounds4. Inorganic chemistry: The study of all elements and the properties and reactions of the compounds not classified as organic compounds.5. Biochemistry: The study of the properties and reactions of compounds found in living organisms and those that are important to living organisms.These branches make it easier to study chemistry. Real chemistry, however, almost always involves a blend of information and ideas from most — if not all — of these branches. This book is concerned with general chemistry — a survey and introduction to all the major branches of chemistry except biochemistry.2020-2021《化学专业英语》期末课程考试试卷答案PartⅠ、Choice（28×1.5=42 points）（按顺序填入答案）1—5题 ADCAC 6—10题 ABBCB11—15题 CABAC 16—20题 CACDC 21—25题 CACBA 26—28题 CBA Part Ⅱ1.(1) Magnesium hydroxide(2) Nitrogen reacts with hydrogen to form ammonia at high temperatureand pressure with the presence of a catalyst.(3) Log x to the base n.(4) The nth root of x.(5) Calcium carbonate when heated produces calcium oxide and carbondioxide.(6) X to the minus eighth (power).(7) Five over one hundred and twenty_three.(8) The ratio of two to three.(9) Plus and minus.(10) One (a) hundred degrees Centigrade.2. （1）醇（2）量（3）分析纯（4）装置（5）含有。
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化学专业英语试卷学号：姓名：成绩: 一：把下列单词或词组译成英文（本题共 30 分，每小题 1 分）1. Ni(ClO4)2 nickel perchlorate3. FeCl2 iron(2)chloride5. Al(NO3)3 aluminum nitrate7. MnO2 manganese dioxide9. N2O3 dinatrogen trioxide11. NaClO sodium hypochloride13. P2O5 diphosphorous pentaoxide15. KMnO4 patassium permangate17. 盐酸hydrochloric acid19. KCN patassium cyanide21. 5-甲基-4-丙基壬烷5-methyl-4-propylnonaane23. 四氯化碳carbon tetrachloride25. 中和neutralize27. 比热容specific heat capacity29. 酸酐anhytride 2. CuSO4 copper sulfate4. CoCO3 cobalt carbate6. Ca(C2H3O2)2 calcium acetate8. H2SO410. 六氰合铁（Ⅱ）酸钾12. Ag2SO3 sliver sulfite14. 草酸铅 lead cyanate16. Zn(OH)2 zinc hydroxide18. 磷酸根 phosphate20. 2,3-二甲基戊烷2,3-dimethylpentane22. 2,3,7-三甲基-5-乙基辛烷2,3,7-trimethyl-5-ethyloct ane24. 石蕊试纸litmus paper 26. 滴定titration28. 非电解质electrolyte 30. 配位化合物complex compound三. 把下列短文译成汉语（本题共 40 分，每小题 10 分）1. Without chemistry our lives would be unrecognisable, for chemistry is at work all around us. Think what life would be like without chemistry - there would be no plastics, no electricity and no protective paints for our homes. There would be no synthetic fibres to clothe us and no fertilisers to help us pr oduce enough food. We wouldn’t be able to travel because there would be no metal, rubber or fuel for cars, ships and aeroplane. Our lives would be changed considerably without telephones, radio, television or computers, all of which depend on chemistry for the manufacture of their parts. Life expectancy would be much lower, too, as there would be no drugs to fight disease.没有化学反应我们的生活将会大变样,化学就在我们周围。
没有化学生活会是什么样子——没有塑料,,家里没有电,也没有防护漆。
不会给我们合成纤维,没有化肥帮助我们生产足够的食物。
我们不能旅行,因为不会有金属、橡胶或燃料汽车、船只和飞机。
我们的生活将会大大改变了没有电话、收音机、电视或电脑,所有这些依赖化学生产的部分。
没有药物来抵抗疾病，预期寿命将低得多。
2． The first and second laws of thermodynamics and the meaning of entropy will be discussed. and expanded upon in this lesson. It will be shown that energy transformations on amacroscopic scale — that is, between large aggregates of atoms and/or molecules — can be understood in terms of a set of logical principles. Thus thermodynamics provides a model of the behavior of matter in bulk. The power of such a model is that it does not depend on atomic or molecular structure. Furthermore, conclusions about a given process .based on this model, do not require details of how the process is carried out.探讨热力学第一和第二定律和熵的意义.和扩展在这个知识。
也就是说它将表明能源在宏观上的转换,根据一组逻辑原则可以理解能量在大量的原子或分子内的转换。
因此热力学定理提供了一个物质体积变化的模型。
这样一个模型的能力在于它不依赖于原子或分子结构。
此外,给定进程的结论依托于这种模式，不需要的详细说明过程是如何进行的3．Preparation of [Cu(en)2(cda)H2O]: H2cda （4-羟基-2,6 吡啶二酸）(0.020 g, 0.1 mmol) wasdissolved in water (10 mL) and the pH value of the solution was adjusted to 7~8 with aqueous NaOH solution (0.1 mol•L-1), then adding it dropwise to a methanol solution (10mL) ofCu(ClO4)2·6H2O (0.037g, 0.1mmol) and ethylenediamine (0.2 mmol) under stirring at roomtemperature. After the resulting small quantity of precipitates was filtered off, dark blue crystals suitable for X-ray structure analysis were obtained by slow evaporation of the filtrate at room temperature.制备[CU(en)2(cda)H2O]:使0.020克,0.1mmol的4 -羟基2、6吡啶二酸溶解在10ml水中加入0.1M氢氧化钠水溶液调整到pH值7 ~ 8,然后将它一滴一滴地添加到Cu(ClO4)2·6H2O(0.037g,0.037mmol)的乙醇溶液和乙二胺(0.2mmol)，在室温下搅拌。
在室温下，缓慢蒸发滤液，得到深蓝色晶体，用x射线分析它的结构4. Measure 50 ml of vinegar with a pipette and pour into a 250-ml beaker. Add 2 drops of phenolphthalein indicator. Fill a burette with a 1 N solution of sodium hydroxide (NaOH) and draw out the excess as described above. From the burette add NaOH to the beaker of vinegar until 1 drop of NaOH produces a pale pink color in the solution. Maintain constant stirring. The appearance of pink tells you that the acid has been neutralized by the base and there is now 1 drop of excess base which has turned the indicator. Read the burette and record this reading as the volume of base used to neutralize the acid. One molecule of NaOH neutralizes one molecule of acetic acid, or one gram-molecular weight of NaOH neutralizes one gram-molecular weight of acetic acid. Calculate the amount of acetic acid present in the vinegar. Report this amount as the percentage of acetic acid.用移液管吸取50ml醋加入到250毫升烧杯,加2滴酚酞指示剂。
在滴定管中加入1M的氢氧化钠溶液，去除刻度线以上的溶液，将氢氧化钠溶液加入到醋中，并不断震荡，至到加入一滴氢氧化钠溶液变成粉红色。
出现粉红色的颜色,表示酸中和了碱，而且多余的一滴碱使指示剂变色。
阅读并纪律中和酸消耗碱的体积。
一个分子的氢氧化钠中和一个分子的醋酸,或一个分子重量的氢氧化钠中和一个分子重量的醋酸反应。
计算醋酸在醋的量。
报告醋酸的百分比。