ÌâÄ¿ÄÚÈÝ
11£®£¨1£©±íËùÁÐÊý¾ÝÊǸ÷´Ó¦ÔÚ²»Í¬Î¶ÈÏµĻ¯Ñ§Æ½ºâ³£Êý£¨K£©
| ÎÂ¶È | 250¡æ | 300¡æ | 350¡æ |
| K | 2.041 | 0.270 | 0.012 |
¢Ú300¡æÏ£¬½«2mol CO¡¢6mol H2ºÍ4molCH3OH³äÈë2LµÄÃܱÕÈÝÆ÷ÖУ¬ÅжϷ´Ó¦ÕýÏò£¨Ìî¡°ÕýÏò¡±»ò¡°ÄæÏò¡±£©½øÐУ®
¢ÛÒªÌá¸ßCOµÄת»¯ÂÊ£¬¿ÉÒÔ²ÉÈ¡µÄ´ëÊ©ÊÇdf£¨ÌîÐòºÅ£©£®
a£®ÉýΠb£®¼ÓÈë´ß»¯¼Á c£®Ôö¼ÓCOµÄŨ¶È d£®¼ÓÈëH2¼Óѹ e£®¼ÓÈë¶èÐÔÆøÌå¼Óѹ f£®·ÖÀë³ö¼×´¼
£¨2£©Èçͼ±íʾÔÚζȷֱðΪT1¡¢T2ʱ£¬Æ½ºâÌåϵÖÐH2µÄÌå»ý·ÖÊýËæÑ¹Ç¿±ä»¯ÇúÏߣ¬A¡¢CÁ½µãµÄ·´Ó¦ËÙÂÊA£¼C£¨Ìî¡°£¾¡±¡¢¡°=¡±»ò¡°£¼¡±£¬ÏÂͬ£©£¬A¡¢CÁ½µãµÄ»¯Ñ§Æ½ºâ³£ÊýA=C£¬ÓÉ״̬Bµ½×´Ì¬A£¬¿É²ÉÓÃÉýÎµķ½·¨£¨Ìî¡°ÉýΡ±»ò¡°½µÎ¡±£©£®
£¨3£©ÒÑÖªÔÚ³£Î³£Ñ¹Ï£º»¯Ñ§·´Ó¦¢Ù¢Ú¢Û¢ÜµÄƽºâ³£Êý·Ö±ðΪK1£¬K2£¬K3£¬K4
¢Ù2CH3OH£¨l£©+3O2£¨g£©¨T2CO2£¨g£©+4H2O£¨g£© K1
¢Ú2CO£¨g£©+O2£¨g£©¨T2CO2£¨g£© K2
¢ÛH2O£¨g£©¨TH2O£¨l£© K3
¢ÜCH3OH£¨l£©+O2£¨g£©¨TCO£¨g£©+2H2O£¨l£© K4
ÔòK4=$\frac{{{K}_{1}}^{\frac{1}{2}}{{K}_{3}}^{2}}{{K}_{2}\frac{1}{2}}$£¨Óú¬ÓÐK1£¬K2£¬K3µÄ´úÊýʽ±í´ï£©£®
·ÖÎö £¨1£©¢ÙÒÀ¾Ý»¯Ñ§·½³ÌʽºÍƽºâ³£Êý¸ÅÄîÊéд£¬ÒÀ¾Ýƽºâ³£ÊýËæÎ¶ȱ仯ÅжϷ´Ó¦ÄÜÁ¿±ä»¯£»
¢Ú300¡æ·´Ó¦µÄƽºâ³£ÊýK=0.270£¬¼ÆËãŨ¶ÈÉÌºÍÆ½ºâ³£Êý±È½Ïƽµ·´Ó¦½øÐеķ½Ïò£»
¢ÛÒªÌá¸ßCOµÄת»¯ÂÊ£¬Ò»°ãʹƽºâÕýÏòÒÆ¶¯¼´¿É£¬µ«Ôö¼ÓCOµÄŨ¶ÈƽºâËäÈ»ÕýÏòÒÆ¶¯£¬µ«COµÄת»¯ÂʼõС£¬¾Ý´Ë·ÖÎö£»
£¨2£©¸ù¾ÝѹǿԽ´ó·´Ó¦ËÙÂÊÔ½´óÅжϣ»»¯Ñ§Æ½ºâ³£Êý½öÓëζÈÓйأ»ÓÉ״̬Bµ½×´Ì¬A£¬¿É²ÉÓÃÉýÎµķ½·¨£»
£¨3£©¢Ù2CH3OH£¨l£©+3O2£¨g£©¨T2CO2£¨g£©+4H2O£¨g£© K1=$\frac{{c}^{4}£¨{H}_{2}O£©{c}^{2}£¨C{O}_{2}£©}{{c}^{3}£¨C{H}_{3}OH£©{c}^{3}£¨{O}_{2}£©}$
¢Ú2CO£¨g£©+O2£¨g£©¨T2CO2£¨g£© K2=$\frac{{c}^{2}£¨C{O}_{2}£©}{{c}^{2}£¨CO£©c£¨{O}_{2}£©}$
¢ÛH2O£¨g£©¨TH2O£¨l£© K3=$\frac{1}{c£¨{H}_{2}O£©}$
¢ÜCH3OH£¨l£©+O2£¨g£©¨TCO£¨g£©+2H2O£¨l£© K4=$\frac{c£¨CO£©{c}^{2}£¨{H}_{2}O£©}{c£¨C{H}_{3}OH£©c£¨{O}_{2}£©}$
½â´ð ½â£º£¨1£©¢ÙK=$\frac{c£¨C{H}_{3}OH£©}{c£¨CO£©{c}^{2}£¨{H}_{2}£©}$ÓɱíÖÐÊý¾Ý¿É֪ζÈÉý¸ß£¬KÖµ¼õС£¬ËµÃ÷ƽºâÏòÄæ·´Ó¦·½ÏòÒÆ¶¯£¬Ä淴ӦΪÎüÈÈ·´Ó¦£¬Õý·´Ó¦¼´Îª·ÅÈÈ·´Ó¦¡÷H£¼0£¬
¹Ê´ð°¸Îª£º$\frac{c£¨C{H}_{3}OH£©}{c£¨CO£©{c}^{2}£¨{H}_{2}£©}$£»£¼£»
¢Ú300¡æ·´Ó¦µÄƽºâ³£ÊýK=0.270£¬½«2mol CO¡¢6mol H2ºÍ4molCH3OH³äÈë2LµÄÃܱÕÈÝÆ÷ÖУ¬Qc=$\frac{\frac{4mol}{2L}}{\frac{2mol}{2L}¡Á£¨\frac{6mol}{2L}£©^{2}}$=$\frac{2}{9}$=0.22£¼K=0.270£¬·´Ó¦ÕýÏò½øÐУ¬
¹Ê´ð°¸Îª£ºÕýÏò£»
¢Ûa£®ÉýÎÂÆ½ºâÄæÏòÒÆ¶¯£¬ÔòCOµÄת»¯ÂʼõС£¬¹Ê´íÎó£»
b£®¼ÓÈë´ß»¯¼Áƽºâ²»Òƶ¯£¬ÔòCOµÄת»¯Âʲ»±ä£¬¹Ê´íÎó£»
c£®Ôö¼ÓCOµÄŨ¶È£¬Æ½ºâËäÈ»ÕýÏòÒÆ¶¯£¬µ«COµÄת»¯ÂʼõС£¬¹Ê´íÎó£»
d£®¼ÓÈëH2¼Óѹ£¬Æ½ºâÕýÏòÒÆ¶¯£¬COµÄת»¯ÂÊÌá¸ß£¬¹ÊÕýÈ·£»
e£®¼ÓÈë¶èÐÔÆøÌå¼Óѹ£¬Æ½ºâ²»Òƶ¯£¬ÔòCOµÄת»¯Âʲ»±ä£¬¹Ê´íÎó£»
f£®·ÖÀë³ö¼×´¼£¬Æ½ºâÕýÏòÒÆ¶¯£¬COµÄת»¯ÂÊÌá¸ß£¬¹ÊÕýÈ·£»
¹ÊÑ¡£ºd f£»
£¨2£©ÒòΪѹǿԽ´ó·´Ó¦ËÙÂÊÔ½´ó£¬ËùÒÔA¡¢CÁ½µãµÄ·´Ó¦ËÙÂÊA£¼C£»»¯Ñ§Æ½ºâ³£Êý½öÓëζÈÓйأ¬ËùÒÔA¡¢CÁ½µãµÄ»¯Ñ§Æ½ºâ³£ÊýA=C£»ÓÉ״̬Bµ½×´Ì¬A£¬¿É²ÉÓÃÉýÎµķ½·¨£¬¹Ê´ð°¸Îª£º£¼£»=£»ÉýΣ»
£¨3£©¢Ù2CH3OH£¨l£©+3O2£¨g£©¨T2CO2£¨g£©+4H2O£¨g£© K1=$\frac{{c}^{4}£¨{H}_{2}O£©{c}^{2}£¨C{O}_{2}£©}{{c}^{3}£¨C{H}_{3}OH£©{c}^{3}£¨{O}_{2}£©}$
¢Ú2CO£¨g£©+O2£¨g£©¨T2CO2£¨g£© K2=$\frac{{c}^{2}£¨C{O}_{2}£©}{{c}^{2}£¨CO£©c£¨{O}_{2}£©}$
¢ÛH2O£¨g£©¨TH2O£¨l£© K3=$\frac{1}{c£¨{H}_{2}O£©}$
¢ÜCH3OH£¨l£©+O2£¨g£©¨TCO£¨g£©+2H2O£¨l£©
K4=$\frac{c£¨CO£©{c}^{2}£¨{H}_{2}O£©}{c£¨C{H}_{3}OH£©c£¨{O}_{2}£©}$=$\frac{{{K}_{1}}^{\frac{1}{2}}{{K}_{3}}^{2}}{{K}_{2}\frac{1}{2}}$£¬
¹Ê´ð°¸Îª£º$\frac{{{K}_{1}}^{\frac{1}{2}}{{K}_{3}}^{2}}{{K}_{2}\frac{1}{2}}$£»
µãÆÀ ±¾Ì⿼²éÁËÆ½ºâ״̬µÄÅжϣ¬Æ½ºâ³£Êý±í´ïʽºÍ¼ÆË㣬ƽºâÒÆ¶¯ÔÀí·ÖÎöÓ¦Óõȣ¬ÕÆÎÕ»ù´¡Êǹؼü£¬ÌâÄ¿ÄѶÈÖеȣ®
| A£® | ʹÓõζ¨¹Üʱ£¬µÎ¶¨¹Ü±ØÐëÓôý×°ÒºÈóÏ´2¡«3´Î | |
| B£® | ËáʽµÎ¶¨¹Ü²»ÄÜÊ¢×°¼îÒº£¬¼îʽµÎ¶¨¹Ü²»ÄÜÊ¢×°ËáÒº | |
| C£® | Ê¢·Å׼ȷÁ¿È¡´ý²âÒºµÄ×¶ÐÎÆ¿Ó¦Ô¤ÏÈÓôý²âÒºÈóÏ´ | |
| D£® | µÎ¶¨²Ù×÷Ó¦ÖØ¸´2ÖÁ3´Î£¬²¢Çó³öµÎ¶¨ÓÃÈ¥µÄÈÜÒºÌå»ýµÄƽ¾ùÖµ£¬¼ÆËã³ö´ý²âÒºµÄŨ¶È |
| A£® | AΪµçÔ´µÄ¸º¼« | |
| B£® | µç½â½áÊøºó£¬Òõ¼«ÊÒÈÜÒºµÄpHÓëµç½âǰÏà±È½«²»±ä | |
| C£® | Ñô¼«ÊÒÖз¢ÉúµÄµç¼«·´Ó¦Îª2H++2e-¨TH2¡ü | |
| D£® | ÈôÁ½¼«¹²ÊÕ¼¯µ½ÆøÌå13.44 L£¨±ê×¼×´¿ö£©£¬Ôò³ýÈ¥µÄÄòËØÎª18g£¨ºöÂÔÆøÌåµÄÈܽ⣩ |
| A£® | PBr3¡¢NO2 | B£® | CH4¡¢SCl2 | C£® | BF3¡¢SO2 | D£® | H2O¡¢CS2 |
| A£® | ¸ÆÔªËØ | B£® | µâÔªËØ | C£® | ÌúÔªËØ | D£® | ÄÆÔªËØ |
| A£® | 1.8¡Á10-13 mol•L-1 | B£® | 7.3¡Á10-13 mol•L-1 | ||
| C£® | 2.3 mol•L-1 | D£® | 3.7 mol•L-1 |
£¨1£©ÑÎËáËá½þËùÉæ¼°·´Ó¦µÄÀë×Ó·½³ÌʽÊÇ6H++Al2O3¨T2Al3++3H2O¡¢6H++Fe2O3¨T2Fe3++3H2O£®
£¨2£©ÒÑÖª£º
Éú³ÉÇâÑõ»¯Îï³ÁµíµÄpH
| Al£¨OH£©3 | Fe£¨OH£©3 | |
| ¿ªÊ¼³Áµíʱ | 3.4 | 1.5 |
| ÍêÈ«³Áµíʱ | 4.7 | 2.8 |
¸ù¾Ý±íÖÐÊý¾Ý½âÊͼÓÈëXµÄÖ÷ҪĿµÄ£ºµ÷½ÚÈÜÒºpHÖÁFe3+ÍêÈ«³Áµí£¬ÂËÔüÖÐÖ÷Òªº¬ÓÐÎïÖʵĻ¯Ñ§Ê½ÊÇFe£¨OH£©3¡¢SiO2£®
£¨3£©ÒÑÖª£ºÉú³ÉÒºÌåPACµÄ·´Ó¦Îª2Al3++m£¨6-n£© Cl-+mn H2O?[Al2£¨OH£©nCl6-n]m+mn H+£®
ÓÃ̼Ëá¸Æµ÷½ÚÈÜÒºµÄpHʱ£¬ÒªÑÏ¿ØpHµÄ´óС£¬pHƫС»òÆ«´óÒºÌåPACµÄ²úÂʶ¼»á½µµÍ£®Çë½âÊÍpHƫСҺÌåPAC²úÂʽµµÍµÄÔÒò£ºpHƫСʱ£¬ÒÖÖÆÆ½ºâ2Al3++m£¨6-n£© Cl-+mn H2O?[Al2£¨OH£©nCl6-n]m+mn H+ ÕýÏòÒÆ¶¯Éú³ÉPAC£®
£¨4£©Å¨Ëõ¾ÛºÏµÃµ½º¬PACµÄÒºÌåÖÐÂÁµÄ¸÷ÖÖÐÎ̬Ö÷Òª°üÀ¨£º
Ala--Al3+µ¥ÌåÐÎ̬ÂÁ
Alb--[Al2£¨OH£©nCl6-n]m¾ÛºÏÐÎ̬ÂÁ
Alc--Al£¨OH£©3½ºÌåÐÎ̬
ͼ1ΪAl¸÷ÐÎ̬°Ù·ÖÊýËæÎ¶ȱ仯µÄÇúÏߣ»Í¼2Ϊº¬PACµÄÒºÌåÖÐÂÁµÄ×ÜŨ¶ÈAlTËæÎ¶ȱ仯µÄÇúÏߣ®
¢Ù50-90¡æÖ®¼äÖÆ±¸µÄÒºÌåPACÖУ¬¾ÛºÏÐÎ̬ÂÁº¬Á¿×î¶à£®
¢Úµ±T£¾80¡æÊ±£¬AlTÃ÷ÏÔ½µµÍµÄÔÒòÊÇζÈÉý¸ß£¬µ¼ÖÂÒºÌåPACÏòAl£¨OH£©3³Áµíת»¯£®