日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. }ĿijW(xu)dȤСMоȚ|(zh)O(sh)ӋDʾbM(jn)Ќ(sh)(yn)bâЊAbȥaƷtԇb񝙵Ʒtԇ

          1xXQ__________________

          2ˎƷǰzКwl(f)bÚԵIJǣֹˮAAסC̎_________________

          3bâаl(f)(yng)xӷʽ_______________________________________

          4(sh)(yn)^bâеČ(sh)(yn)F(xin)______________________________________

          5(sh)(yn)^УԓMͬW(xu)bâ^쵽bļtɫȥDzδ^쵽ao@׃@һA(y)ڬF(xin)ԭ_______________________________________(d)A(y)ڬF(xin)(yng)θM(jn)b___

          𰸡Һ© ƤȻҺ©мˮ_Һ©Һw„tԺ MnO2+4H++2Cl Mn2++Cl2+2H2O oɫҺ׃{(ln)ɫ Țеˮ ڢ֮͢gɼӝbãCl2

          Ƃ䌍(sh)(yn)?q)?yn)|(zh)(yn)CһѭIJEƚbásbáռbû(yn)C|(zh)báβ̎bã(j)˷

          1(j)bÈDxXҺ©

          2z(yn)bIĚֹˮAAסC̎ƤȻҺ©мˮ_Һ©Һw„tãbIIsˮ]^L(do)P(gun)]Һ©Ļ΢AןƿbII(do)ܿКðֹͣӟL(do)ܿҺf

          3bIȡȚxӷʽMnO24H2Cl Mn2Cl22H2O

          4Cl2ԏ(qing)I2II2|(zh)׃{(ln)bIVеĬF(xin)ǟoɫҺ׃{(ln)ɫ

          5ȚⲻƯԣwͨ^bIIֻdzȥȚȻbIIгȚкˮ⣬ʹa̎ƷtԇɫҪbIIIII֮gɼӸbóȥȚеˮ

          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          }ĿXǺϳһNͿˎgwa(chn)·£

          شІ}

          1(yng)ٵķ(yng)͞_____________

          2(yng)۵ĻW(xu)ʽ____________________________________________________

          3(yng)CĽY(ji)(gu)ʽ______________________oC(j)a(chn)_____W(xu)ʽ

          4AжN֮ͬ(gu)wͬrЗl______N(]w(gu))ՈһN˴ŹV4Mҷe֮Ȟ2211ĽY(ji)(gu)ʽ___________

          a.h(hun)4ȡ

          b.cFeCl3Һl(f)@ɫ(yng)

          c.ܰl(f)ˮⷴ(yng)

          5ϳ·ϢȚһϩԭϣԇxO(sh)ӋƂ۱ϩĺϳ·____________________________________________________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿҺCl-|(zh)ǣ

          A.300 mL0.1 mol/L NaClҺB.10 mL0.2 mol/LAlCl3Һ

          C.(bio)r4.48LHClwɵ1 LҺD.100 mL0.1 mol/LFeCl3Һ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿCO(g)H2O(g)1 : 2weȷքeͨ뵽we2 Lĺ]M(jn)з(yng)CO(g)+H2O(g)CO2(g)+H2(g)õM(sh)(j)

          f_

          A. Č(sh)(yn)(sh)(j)ԓ(yng)(yng)ᷴ(yng)

          B. (sh)(yn)A010min(ni)v(H2)ʾķ(yng)ʴ0.013mol(Lmin)-1

          C. a(chn)ЧCM(sh)(yn)ėl

          D. ^(sh)(yn)BCfC(sh)(yn)ʹ˸ЧĴ߻

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀͨ^·(yng)ɫ@ԴCH3OCH3)f_

          C(s) + H2O(g)==CO(g)+H2(g) H1=a kJmol-1

          CO(g) + H2O(g)==CO2(g)+H2(g) H2=b kJmol-1

          CO2(g)+3H2(g)==CH3OH(g)+H2O(g) H3 =c kJmol-1

          2CH3OH(g) ==CH3OCH3(g)+H2O(g) H4=d kJmol-1

          A. (yng)٢鷴(yng)ṩԭϚ

          B. (yng)ҲCO2YԴõķ֮һ

          C. (yng)CH3OH(g)== CH3OCH3(g)+ H2O(1)H =kJmol-1

          D. (yng) 2CO(g)+4H2(g) ==CH3OCH3(g)+H2O(g)H= (2b+2c+d) kJmol-1

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ(LiH)ڸĿ՚ܷ(wn)ˮᄡҷ(yng)܉ȼijW(xu)СM(zhn)ʹbƂLiHwf_

          A. xbðB?yn)?/span>edcfgab(g{(dio)QҲ)

          B. (sh)(yn)õĽ䇱ú

          C. ڼӟD̎ʯӢ֮ǰ(yng)ͨһΕrgűMbÃ(ni)Ŀ՚

          D. еĉAʯҿßoˮCaCl2

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿM(jn)лW(xu)(sh)(yn)r(jng)cA(y)ڲĬF(xin)F(xin)ijW(xu)(sh)(yn)СMڌ(sh)(yn)M(jn)F}cF}໥D(zhun)Č(sh)(yn)ͳF(xin)cA(y)O(sh)̫һµĬF(xin)

          (sh)(yn)IFe3+D(zhun)Fe2+

          1Fe3+cCu۰l(f)(yng)xӷʽ_________________________________

          2ԓСMͬW(xu)ÌȌ(sh)(yn)̽ɫa(chn)ԭՈ䷽a(b)

          (sh)(yn)

          F(xin)

          Y(ji)Փ

          E1ȡ4mL_________mol/ L CuSO4Һеμ30.1mo/ L KSCNҺ

          a(chn)ɫ

          Cu SO4cKSCN(yng)a(chn)˰ɫ

          E2ȡ4mL0.2mol/ L FeSO4Һеμ30.1mol/ L KSCNҺ

          ___________

          SCNĻW(xu)|(zh)cI 2Cu2++4I=2CuI+I2

          (SCN)2ĻW(xu)|(zh)cI2

          tCu2+cSCN(yng)xӷʽ____________________________________________

          (sh)(yn)Fe2+D(zhun)Fe3+

          (sh)(yn)

          F(xin)

          3mL0.1mol/L FeSO4ҺмlmL8mol/Lϡ

          Һ׃?yu)ɫһΕrgɫʧҺ׃?yu)Sɫ

          ̽F(xin)F(xin)ԭ

          Fe2++NOFe(NO)2+(ɫ) Fe(NO)2+cHNO3(yng)

          3xӷʽNOa(chn)ԭ____________________________________________

          4ĻW(xu)(yng)c޶ȵĽǶȌwϵдڵķ(yng)M(jn)

          (yng)IFe2+cHNO3(yng) (yng)Fe2+cNO(yng)

          (j)(sh)(yn)F(xin)J(rn)鷴(yng)Iʱȷ(yng)___________()

          J(rn)鷴(yng)Iһ淴(yng)ͨ^(sh)(yn)Cœy_O(sh)ӋČ(sh)(yn)_______________________________________________________

          ՈûW(xu)ƽƄԭҺɫ׃?yu)Sɫԭ______________________

          5J(rn)ɵNOcFe2+|ҺͲF(xin)ɫÌ(sh)(yn)ҳõăxˎƷO(sh)ӋDʾČ(sh)(yn)(sh)F(xin)Fe2+Fe3+D(zhun)ͬrF(xin)ˮF(xin)(sh)(yn)l(f)F(xin)Uι҂(c)КUι(c)ĬF(xin)___________BҺ___________Һ(W(xu)ʽ)

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿDʾм׳صĿ(yng)ʽ2CH3OH3O24KOH=2K2CO36H2Of_

          A. ׳D(zhun)黯W(xu)ܵbãǻW(xu)D(zhun)ܵb

          B. ׳ͨCH3OH늘O(yng)ʽCH3OH6e2H2O=CO32-+8H

          C. (yng)һΕrgҳмһCu(OH)2wʹҺ֏(f)ԭ

          D. ׳4.48L((bio)(zhn)r)O2˕rՓa(chn)23.2 gw

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ6.021023H3PO4 ԭӵ|(zh)( )

          A. 1.00 mol B. 0.50 mol C. 4mol D. 0.125 mol

          鿴𰸺ͽ>>

          ͬ(x)Դ