②N2O(g)+3H2(g)=N2H4(l)+H2O(l)△H2=bkJ/mol則N2H4(l)+O2(g)=N2(g)+2H2O(l)△H為ABC.(a-3b+c)D.(a+3b-c)i．CH3CH2CH3(g)+Cl2(g)=CH3CHClCH3(g)+HCl(g)△H1ii．CH3CH2CH3(g)+Cl2(g)=CH3CH2CH2Cl(g)+HCl(g)△H2反應(yīng)體系中產(chǎn)物n(2-氯丙烷):n(1-氯丙烷)=3:2。下列說(shuō)法錯(cuò)誤的是B.丙烷中的鍵能：-CH3的C-H>-CH2-的C-HD.相同條件下正丁烷與Cl2發(fā)生一氯代反應(yīng)，產(chǎn)物n(2-氯丁烷):n(1-氯丁烷)>3:2△H>0△H<0△H<0A.步驟①反應(yīng)為VO2++H2O2→VO+?OH+H+C.VO在催化循環(huán)中起氧化作用D.步驟③生成的物質(zhì)Z是H2ANaCl固體與濃硫酸反應(yīng)可制備HCl氣體NaI固體與濃硫酸反應(yīng)可制備HI氣體BBaCO3可代替BaSO4作“鋇餐”C鹽酸和NaOH溶液反應(yīng)是吸熱反應(yīng)DH2O的沸點(diǎn)高于H2SHF的沸點(diǎn)高于HCl A.反應(yīng)i是吸熱過(guò)程B.反應(yīng)ii中H2O(g)脫去步驟的活化能為2.69eVC.反應(yīng)iii包含2個(gè)基元反應(yīng)D.總反應(yīng)的速控步包含在反應(yīng)ⅱ中A該反應(yīng)△H<0BCDg)+H2O(g)C2H5OH(g)已知：△H(J/mol)=-34585-26.4T，△G(J/mol)=-34585+26.4T.lnTA.該反應(yīng)△S<0D.Na(s)+Cl2(g)=NaCl(s)△H<0，Na+(g)+Cl-(g)=NaCl(s)△H<0，則NaCl2Na+(g)+Cl-(g)△H<0H2SO4(l)+Fe(OH)2(s)=FeSO4(s)+2H2O(l)△H1H2SO4(l)+2NaOH(s)=Na2SO4(s)+2H2O(l)△H2H2SO4(l)+Na2O(s)=Na2SO4(s)+H2O(l)△H3(g)++Na2O(s)=Na2SO4(s)△H4(g)+H2O(l)=H2SO4(l)△H5A.△H1-△H2>0B.△H2-△H3>0C.△H3-△H4<0D.△H4-△H5<0 C.該反應(yīng)的反應(yīng)熱⊿H=E2-E1A.可以通過(guò)E1和E2計(jì)算HCOOH的總鍵能B.E1-E3=E4-E10D.途徑I未使用催化劑，但途徑II與途徑I甲酸平衡轉(zhuǎn)化率相同B.生成產(chǎn)物2的決速步活化能為60.1kcal·mol-1C.生成產(chǎn)物1的熱化學(xué)方程式為：CH3CH2OH(A.屬于放熱反應(yīng)B.反應(yīng)物的總能量低于生成物的總能量C.屬于氧化還原反應(yīng)D.能量變化與化學(xué)鍵的斷裂和形成有關(guān)②CO(g)+H2(g)C(s)+H2O(g)△H2=-131kJ/mol(g)C(s)+2H2O△H3=-90kJ/molA.-206+3a-2b-4cB.-206-3a+2b+4c 反應(yīng)I：SO2(g)+I2(g)+2H2O(l)=2HI(aq)+H2SO4(aq)△H1=-213kJ·mol-1反應(yīng)II：H2SO4(aq)=SO2(g)+H2O(1)+O2(g)△H2=+327kJ·mol-l反應(yīng)III：2HI(aq)=H2(g)+I2(g)△H3=+172kJ·mol-1B.SO2和I2對(duì)總反應(yīng)起到了催化劑的作用g)+HCl(g)△H=-15kJ/molg)ΔH1(g)+2H2O(l)ΔH4A.ΔH1>ΔH2B.ΔH3<ΔH4C.ΔH4=ΔH2+ΔH3D.2ΔH5=3ΔH3-ΔH42為原料生產(chǎn)重要的高效氮肥--尿素[CO(NH2)2]，反應(yīng)過(guò)程中能量(Ea2>Ea3>Ea1>Ea4C.由圖可知CO2和NH3在一定條件下發(fā)生有效碰撞直接生成了CO(NH2)2D.合成尿素的熱化學(xué)方程式為：2NH3(g)+CO2(g)=CO(NH2)2(s)+H2O(g)△H=(Ea2+Ea4-Ea1-B.該反應(yīng)的△H=-129.6kJ/molC.效果較好的催化劑是AuPF3+ C.ΔH4<ΔH1-ΔH2D.ΔH3<0150mL0.5mol·L-1KOH溶液中充分反應(yīng)(不考慮氣體逸1L0.2mol·L-1KOH溶液中充分反應(yīng)放出ykJ熱量。則CO2與KOH溶液反應(yīng)生成KHCO3的熱化學(xué)方程式正確的是A.CO2(g)+KOH(aq)=KHCO3(aq)ΔH=-(40x-10y)kJ·mol-1B.CO2(g)+KOH(aq)=KHCO3(aq)ΔH=-40(y-x)kJ·mol-1C.CO2(g)+KOH(aq)=KHCO3(aq)ΔH=-2(10x-y)kJ·mol-1D.CO2(g)+KOH(aq)=KHCO3(aq)ΔH=-10(5x-4y)kJ·mol-1A.2H2(g)+O2(g)=2H2O(g)ΔH=-571.6kJ·mol-1B.2CO(g)+O2(g)=2CO2(g)ΔH=-283.0kJ·mol-1C.C2H5OH(l)+3O2(g)=2CO2(g)+3H2O(l)ΔH=-1366.8kJD.CH4(g)+2O2(g)=CO2(g)+2H2O(l)ΔH=-890.3kJ·mol-127.肼(H2N-NH2)燃燒涉及的共價(jià)鍵的鍵能與熱化學(xué)方程式信息見下表：N-HN-NO-H鍵能/(kJ·mol-1)kJ·mol-1(s)+Br2(l)=MgBr2(s)+F2(g)ΔkJ·mol-1B.MgI2與Br2反應(yīng)的ΔH<0C.電解MgCl2制Mg是吸熱反應(yīng)D.化合物的熱穩(wěn)定性順序：MgI2<MgBr2<MgCl2<MgF2C-HC=OO-HC-OC-C鍵能/(kJ·mol-1)D.該反應(yīng)的熱化學(xué)方程式為CO2(g)+CH4(g)=CH3COOH(g)ΔH=-251kJ/molA.反應(yīng)CH3OH(g)+H2O(g)=CO2(g)+3H2(g)ΔSD.反應(yīng)Ⅱ的熱化學(xué)方程式表示為CO(g)+H2O(g)===H2(g)+CO2(g)ΔH<0g)=2H2O(l)ΔH=-571.6kJ·mol-1②2CH3OH(l)+3O2(g)=2CO2(g)+4H2O(l)ΔH=-1452kJ·mol-1③H+(aq)+OH-(aq)=H2O(l)ΔH=-57.3kJ·mol-1A.H2(g)的燃燒熱ΔH=-571.6kJ·mol-1B.H2SO4(aq)+Ba(OH)2(aq)=BaSO4(s)+2H2O(l)ΔH=-114.6kJ·mol-1 B.反應(yīng)的熱化學(xué)方程式為HSO3-(aq)+2NO2(g)+H2O(l)===2HNO2(aq)+HSO4-(aq)ΔH=-6.0eV·mol-1C.反應(yīng)Ⅰ的離子方程式為HSO3-+NO2===HNO2+SO-A.該反應(yīng)ΔH>0B.反應(yīng)Ⅰ的熱化學(xué)方程式可表示為HCOOH(aq)CO(aq)+H2O(l)ΔH=+(b-a)kJ·mol-1 A.Ph-C≡C-CH3中最多4個(gè)碳原子共線A.CO氧化制備CO2為放熱反應(yīng)B.Fe/MnO2的催化效率低于MnO2B.反應(yīng)Ⅱ的熱化學(xué)方程式為3SO2(g)+2H2O(g)=2H2SO4(l)+S(s)ΔH2=(-a-b)kJ·mol-1<ΔH4I．CH3Br+NaOH→CH3OH+NaBrII．(CH3)3CBr+NaOH→(CH3)3COH+NaBrA.反應(yīng)I的ΔH<0B.反應(yīng)I有一個(gè)過(guò)渡態(tài)，反應(yīng)II有兩個(gè)過(guò)渡態(tài)C.反應(yīng)I中C-Br鍵未斷裂，反應(yīng)II中有C-Br鍵的斷裂和C-O鍵的形成 A.E2-E3=E4-E5+CH3CHClCH3(g)ΔH=(E3-E2)kJ·mol-1C.每生成2分子AB，吸收(a-b)kJ熱量D.該反應(yīng)正反應(yīng)的活化能大于100kJ·mol-1ΔH2=+44.0kJ·mol-1。下列說(shuō)法不正確的是OO2ΔH=+241.8kJ·mol-1g)=2H2O(g)ΔH=-483.6kJ·mol-1；②H2(g)+S(g)==H2S(g)ΔH=-20.1kJ·mol-1。下列判斷正確的是D.氫氣的燃燒熱ΔH=-241.8kJ·mol-1H-HH-O鍵能/(kJ·mol-1)2H2(g)===2H2O(g)ΔH=-482kJ·mol-1ΔH為A.+428kJ·mol-1B.-428kJ·mol-1C.+498kJ·mol-1D.-498kJ·mol-1C.得到加成產(chǎn)物②反應(yīng)的焓變等于E2-E1C.2H2(g)+O2(g)=2H2O(g)ΔH=+485.6kJ·mol-1 A.甲圖表示Fe2O3(s)+3CO(g)=A.反應(yīng)Ⅱ的熱化學(xué)方程式為CO(g)+H2O(g)=H2(g)+CO2(g)ΔH=+akJ·mol-1(a>0)A.E6-E3=E5-E2B.Cl-Cl鍵能為2(E2-E3)kJ·mol-1D.歷程Ⅰ和歷程Ⅱ中速率最快的一步反應(yīng)的熱化學(xué)方程式為ClO(g)+O(g)=O2(g)+Cl(g)(E4-E5)kJ·mol-1B.步驟Ⅰ涉及C-H的斷裂，步驟Ⅱ涉及C-H的形成 A.CO的燃燒熱ΔH=-283.0kJ·mol-1B.CO2=COΔH=-110.5kJ·mol-1D.根據(jù)上圖推出C(s)+CO2(g)=2CO(g)ΔH=+172.5kJ·mol-1A.+172kJ·mol-1B.+400kJ·mol-1C.+29kJ·mol-1D.+254kJ·mol-1(g)=2CO(g)ΔH=ΔH1-ΔH2C.ΔH5=ΔH1-ΔH3kJ·mol-1(g)ΔH=-158.4kJ·mol-1g)=CH3OH(g)ΔH1=-90.5kJ·mol-1②CO(g)+H2O(g)=CO2(g)+H2(g)ΔH2=-41.1kJ·mol-1(g)=2H2O(g)ΔH3=-483.6kJ·mol-1B.CO2與H2合成甲醇的熱化學(xué)方程式為CO2(g)+3H2(g)=CH3OH(g)+H2O(g)ΔH=-49.4kJ·mol-12(g)=2Cl2(g)+2H2O(g)ΔH1=-112.9kJ·mo；③H-H、Cl-Cl、H-Cl的鍵能分別為436kJ·mol-1、243kJ·mol-1、431kJ·mol-1。下列敘A.H(g)+Cl(g)→HCl(g)ΔH=+431kJ·mol-1B.鍵能差4E(H-O)-E(O=O)=1350.9kJ·mol-1C.2HCl(g)=H2(g)+Cl2(g)ΔH=-183kJ·mol-1D.H2(g)+O2(g)=H2O(l)ΔH=-239.45kJ·mol-1A.ΔH1(MgCO3)>ΔH1(CaCO3)>0C.ΔH1(CaCO3)-ΔH1(MgCO3)=ΔH3(CaO)-ΔH3(MgO) A.ΔH1>0C.Na2CO3·H2O(s)失水生成Na2CO3(s)：ΔH=ΔH1-ΔH2①CaCO3(s)=CaO(s)+CO2(g)ΔH1=akJ·mol-1(s)+4CO(g)=CaS(s)+4CO2(g)ΔH3=ckJ·mol-1④CaO(s)+SO2(g)+3CO(g)D.反應(yīng)3CaSO4(s)+CaS(s)=4CaO(s)+4SO2(g)的ΔH=(3N-NO==ON≡NN-H鍵能/(kJ·mol-1)aC.N2H4(g)+O2(g)=N2(g)+2H2O(l)ΔH>-534kJ·mol-1(g)+2H2O(g)ΔH=-726.51kJ/mol(g)ΔH=-571.6kJ/mol68.合成氨反應(yīng)為N2(g)+3H2(g)2NH3(g)ΔH=-92.4kJ/mol。下列有關(guān)合成氨反應(yīng)的說(shuō)法正確A.反應(yīng)的ΔS>0B.用E表示鍵能，該反應(yīng)的ΔH=E(N-N)+3E(H-H)-6E(N-H)B.．總反應(yīng)焓變?yōu)镋1-E2+E3-E4 C.過(guò)程Ⅲ的熱化學(xué)方程式是SiHCl3(l)+H2(g)=Si(s)+3HCl(g)ΔH=+238kJ·mol-1(g)ΔH3(g)ΔH4>0C.ΔH2=ΔH3-ΔH1D.ΔH3=ΔH4-ΔH2-ΔH1g·cm-30.3mol·L-1Na2CO3溶液0.55mol·L-1稀鹽酸/℃體積/mL/℃/mL/℃123D.Na2CO3(aq)+2HCl(aq)=2NaCl(aq)+H2O(l)+CO2(g)ΔH=-21.46kJ·mol-1A.膠頭滴管中的試劑是稀鹽酸B.60秒時(shí)燒杯中的溶質(zhì)是NaCl和NaOH A.圖A中生成物的總能量更高B.圖A可表示Ba(OH)2·8H2O與NH4Cl反應(yīng)的能量變化C.H+H→H2時(shí)放出的能量D.冰變成水時(shí)吸收的能量g)+O2(g)=2H2O(g)ΔH=-483.6kJ·mol-1；②H2(g)+S(g)=H2S(g)ΔH=-20.1D.氫氣的燃燒熱ΔH=-241.8kJ·mol-1A.O-H鍵的鍵能為930kJ/molB.物質(zhì)所具有的總能量大小關(guān)系為甲>乙>丙H-HH-O鍵能/(kJ·mol-1)2H2ΔH=-482kJ·mol-1ΔH為(D)A.428kJ·mol-1B.-428kJ·mol-1C.498kJ·mol-1D.-498kJ·mol-1切割金屬。已知熱化學(xué)方程式C2H2(g)+O2(g)===2CO2(g)+H2O(g)2C.若生成2mol液態(tài)水，則ΔH=-2512kJ·mol-1 A.已知H+(aq)+OH-(aq)=H2O(l)ΔH=-57.3kJ·mol-1，用含20.0gNaOH的稀溶液與稀鹽酸反應(yīng)測(cè)出的中和反應(yīng)反應(yīng)熱為28.65kJ·mokJ·mol-1A.ΔH1>ΔH2>ΔH3B.ΔH1<ΔH2<ΔH3C.ΔH1>ΔH2=ΔH3D.ΔH1=ΔH2<ΔH3g)=CH3OH(g)ΔH1=-90.5kJ·mol-1②CO(g)+H2O(g)=CO2(g)+H2(g)ΔH2=-41.1kJ·mol-1(g)=2H2O(g)ΔH3=-483.6kJ·mol-1B.CO2與H2合成甲醇的熱化學(xué)方程式為CO2(g)+3H2(g)=CH3OH(g)+H2O(g)ΔH=-49.4kJ·mol-1g)、CH3COOH(l)的燃燒熱分別為393.5kJ·mol-1、285.8kJ·mol-1、870.3kJ·mol-1g)===CH3COOH(l)的反應(yīng)熱為A.-488.3kJ·mol-1B.+488.3kJ·mol-1C.-191kJ·mol-1D.+191kJ·mol-1CO-(aq)+H+(aq)=HCO3-(aq)ΔH1CO-(aq)+H2O(l)HCO3-(aq)+OH-(aq)ΔH2OH-(aq)+H+(aq)=H2O(l)ΔH3OH-(aq)+CH3COOH(aq)=CH3COO-(aq)+H2O(l)ΔH4A.ΔH1<0ΔH2<0B.ΔH1<ΔH2C.ΔH3<0ΔH4>0D.ΔH3>ΔH4 (g)=2CO(g)ΔH=ΔH1-ΔH2C.ΔH5=ΔH1-ΔH3HCO-(aq)+H+(aq)HCO3-(aq)ΔH1H2CO3(aq)H2O(l)+CO2(g)ΔH3OH-(aq)+H+(aq)H2O(l)ΔH4A.ΔH1<0ΔH2>0C.ΔH1+ΔH2+ΔH3>0D.ΔH溫度差(T2-T1)/℃123A.ΔH2>0ΔH4<ΔH1