8£®ÎïÖÊXÊÇijÐÂÐ;»Ë®¼ÁµÄÖмäÌ壬Ëü¿ÉÒÔ¿´³ÉÓÉÂÈ»¯ÂÁ£¨ÔÚ180¡æÉý»ª£©ºÍÒ»ÖÖÑÎA°´ÎïÖʵÄÁ¿Ö®±È1£º2×é³É£®ÔÚÃܱÕÈÝÆ÷ÖмÓÈÈ8.75g Xʹ֮ÍêÈ«·Ö½â£¬ÀäÈ´ºó¿ÉµÃµ½3.2g¹ÌÌåÑõ»¯ÎïB¡¢0.448LÎÞÉ«ÆøÌåD£¨Ìå»ýÒÑÕÛËãΪ±ê×¼×´¿ö£©¡¢4.27g»ìºÏ¾§ÌåE£®BÈÜÓÚÏ¡ÑÎËáºó£¬µÎ¼ÓKSCNÈÜÒº£¬»ìºÏÒº±äѪºìÉ«£®DÆøÌåÄÜʹƷºìÍÊÉ«£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©XµÄ»¯Ñ§Ê½ÎªAlCl3•2FeSO4£®
£¨2£©½«A¹ÌÌå¸ô¾ø¿ÕÆø³ä·Ö×ÆÉÕ£¬Ê¹Æä·Ö½â£¬Éú³ÉµÈÎïÖʵÄÁ¿µÄB¡¢DºÍÁíÒ»ÖÖ»¯ºÏÎÔòA·Ö½âµÄ»¯Ñ§·½³ÌʽΪ2FeSO4$\frac{\underline{\;¸ßÎÂ\;}}{\;}$SO2¡ü+SO3+Fe2O3£®
£¨3£©½«E»ìºÏ¾§ÌåÈÜÓÚË®Åä³ÉÈÜÒº£¬ÖðµÎ¼ÓÈë¹ýÁ¿Ï¡NaOHÈÜÒº£¬¸Ã¹ý³ÌµÄ×Ü·´Ó¦µÄÀë×Ó·½³ÌʽΪAl3++2H++6OH-=AlO2-+4H2O£®
E»ìºÏ¾§ÌåÖÐijÖÖÎïÖÊÔÚÒ»¶¨Ìõ¼þÏÂÄܺÍKI¹ÌÌå·´Ó¦£¬Ð´³ö¸Ã·½³ÌʽSO3+2KI=I2+K2SO3£®
£¨4£©¸ßÎÂÏ£¬ÈôÔÚÃܱÕÈÝÆ÷Öг¤Ê±¼äìÑÉÕX£¬²úÎïÖл¹ÓÐÁíÍâÒ»ÖÖÆøÌ壬Æä·Ö×ÓʽÊÇO2£®ÇëÉè¼ÆʵÑé·½°¸ÑéÖ¤Ö®½«ÆøÌåͨÈë×ãÁ¿NaOHÈÜÒºÖУ¬ÊÕ¼¯ÓàÆø£¬°ÑÒ»Ìõ´ø»ðÐǵı¾ÌõÉìÈëÆäÖУ¬Èô¸´È¼£¬Ôò˵Ã÷ÊÇO2£®

·ÖÎö ¹ÌÌåÑõ»¯ÎïBÈÜÓÚÏ¡ÑÎËáºó£¬µÎ¼ÓKSCNÈÜÒº£¬»ìºÏÒº±äѪºìÉ«£¬ËµÃ÷BÖк¬ÓÐ+3¼ÛFe£¬ÔòBΪFe2O3£¬ÎÞÉ«DÆøÌåÄÜʹƷºìÍÊÉ«£¬ÔòDΪSO2£¬ÓÉÔªËØÊغã¿ÉÖªAÖк¬ÓÐFe¡¢S¡¢OÔªËØ£¬A¼ÓÈÈ·Ö½âÄÜÉú³ÉÑõ»¯ÌúºÍ¶þÑõ»¯Áò£¬ÔòÑÎAΪFeSO4£¬XµÄ×é³ÉΪAlCl3•2FeSO4£®Ñõ»¯ÌúµÄÎïÖʵÄÁ¿Îª$\frac{3.2g}{160g/mol}$=0.02mol£¬Éú³É¶þÑõ»¯ÁòΪ$\frac{0.448L}{22.4L/mol}$=0.02mol£¬ÓÉFe¡¢SÔ­×ÓΪ1£º1¿ÉÖªÉú³ÉSO3Ϊ0.02mol£¬4.27g»ìºÏ¾§ÌåEΪAlCl3ºÍSO3£¬AlCl3µÄÎïÖʵÄÁ¿Îª$\frac{4.27g-0.02mol¡Á80g/mol}{133.5g/mol}$=0.02mol£®

½â´ð ½â£º¹ÌÌåÑõ»¯ÎïBÈÜÓÚÏ¡ÑÎËáºó£¬µÎ¼ÓKSCNÈÜÒº£¬»ìºÏÒº±äѪºìÉ«£¬ËµÃ÷BÖк¬ÓÐ+3¼ÛFe£¬ÔòBΪFe2O3£¬ÎÞÉ«DÆøÌåÄÜʹƷºìÍÊÉ«£¬ÔòDΪSO2£¬ÓÉÔªËØÊغã¿ÉÖªAÖк¬ÓÐFe¡¢S¡¢OÔªËØ£¬A¼ÓÈÈ·Ö½âÄÜÉú³ÉÑõ»¯ÌúºÍ¶þÑõ»¯Áò£¬ÔòÑÎAΪFeSO4£¬XµÄ×é³ÉΪAlCl3•2FeSO4£®Ñõ»¯ÌúµÄÎïÖʵÄÁ¿Îª$\frac{3.2g}{160g/mol}$=0.02mol£¬Éú³É¶þÑõ»¯ÁòΪ$\frac{0.448L}{22.4L/mol}$=0.02mol£¬ÓÉFe¡¢SÔ­×ÓΪ1£º1¿ÉÖªÉú³ÉSO3Ϊ0.02mol£¬4.27g»ìºÏ¾§ÌåEΪAlCl3ºÍSO3£¬AlCl3µÄÎïÖʵÄÁ¿Îª$\frac{4.27g-0.02mol¡Á80g/mol}{133.5g/mol}$=0.02mol£®
£¨1£©XµÄ»¯Ñ§Ê½ÎªAlCl3•2FeSO4£¬¹Ê´ð°¸Îª£ºAlCl3•2FeSO4£»
£¨2£©A·Ö½âµÄ»¯Ñ§·½³ÌʽΪ£º2FeSO4$\frac{\underline{\;¸ßÎÂ\;}}{\;}$SO2¡ü+SO3+Fe2O3£¬
¹Ê´ð°¸Îª£º2FeSO4$\frac{\underline{\;¸ßÎÂ\;}}{\;}$SO2¡ü+SO3+Fe2O3£»
£¨3£©½«E»ìºÏ¾§ÌåÈÜÓÚË®Åä³ÉÈÜÒº£¬ÈýÑõ»¯Áò·´Ó¦Éú³ÉÁòËᣬÔòÁòËáÓëÂÈ»¯ÂÁµÄÎïÖʵÄÁ¿ÏàµÈ£¬ÖðµÎ¼ÓÈë¹ýÁ¿Ï¡NaOHÈÜÒº£¬¸Ã¹ý³ÌµÄ×Ü·´Ó¦µÄÀë×Ó·½³ÌʽΪ£ºAl3++2H++6OH-=AlO2-+4H2O£¬
 E¾§ÌåÖеÄSO3ÔÚÒ»¶¨Ìõ¼þÄܺÍKI¹ÌÌå·´Ó¦£¬¸Ã·´Ó¦·½³ÌʽΪSO3+2KI=I2+K2SO3£¬
¹Ê´ð°¸Îª£ºAl3++2H++6OH-=AlO2-+4H2O£»SO3+2KI=I2+K2SO3£»
£¨4£©ÈôÔÚ¸ßÎÂϳ¤Ê±¼äìÑÉÕX£¬Éú³ÉµÄÈýÑõ»¯ÁòÔÙ·Ö½âÉú³É¶þÑõ»¯ÁòºÍÑõÆø£¬ÁíÒ»ÖÖÆøÌå·Ö×ÓʽÊÇO2£¬¼ìÑéÑõÆøµÄ·½·¨Îª£º½«ÆøÌåͨÈë×ãÁ¿NaOHÈÜÒºÖУ¬ÊÕ¼¯ÓàÆø£¬°ÑÒ»Ìõ´ø»ðÐǵı¾ÌõÉìÈëÆäÖУ¬Èô¸´È¼£¬Ôò˵Ã÷ÊÇO2£¬
¹Ê´ð°¸Îª£ºO2£»½«ÆøÌåͨÈë×ãÁ¿NaOHÈÜÒºÖУ¬ÊÕ¼¯ÓàÆø£¬°ÑÒ»Ìõ´ø»ðÐǵı¾ÌõÉìÈëÆäÖУ¬Èô¸´È¼£¬Ôò˵Ã÷ÊÇO2£®

µãÆÀ ±¾Ì⿼²éÎÞ»úÎïµÄÍƶϣ¬ÌâÄ¿±È½Ï×ۺϣ¬ÐèҪѧÉúÊìÁ·ÕÆÎÕÔªËØ»¯ºÏÎï֪ʶ£¬È·¶¨AµÄ×é³ÉÊǽâÌâµÄ¹Ø¼ü£¬ÌâÄ¿ÄѶȽϴó£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

18£®ÅðËᣨH3BO3£©Î¢ÈÜÓÚË®£¬ÆäË®ÈÜÒºÏÔÈõËáÐÔ£¬¶ÔÈËÌåµÄÊÜÉË×éÖ¯ÓзÀ¸¯×÷Ó㮹¤ÒµÉÏÒÔÅðþ¿ó£¨Mg2B2O5•H2O£©ÎªÔ­ÁÏÉú²úÅðËᣬͬʱÒÔÅðþÄàΪԭÁÏÖÆÈ¡ÁòËáþ£¬¿ÉÓÃÓÚӡȾ¡¢ÔìÖ½¡¢Ò½Ò©µÈ¹¤Òµ£®Éú²ú¹¤ÒÕÁ÷³ÌÈçÏÂͼËùʾ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺

×¢£º
¢ÙÅðþÄàµÄÖ÷Òª³É·ÝÊÇMgO£¨Õ¼40%£©£¬»¹ÓÐCaO¡¢MnO¡¢Fe2O3¡¢FeO¡¢Al2O3¡¢SiO2µÈÔÓÖÊ£®
¢ÚÅðËáµçÀëƽºâ³£ÊýK=5.8¡Á10-10
¢Û
»¯ºÏÎïMg£¨OH£©2Fe£¨OH£©2Fe£¨OH£©3Al£¨OH£©3
Ksp½üËÆÖµ10-1110-1610-3810-33
¢ÜÒÑÖªMgSO4¡¢CaSO4µÄÈܽâ¶ÈÈçÏÂ±í£º
ζȣ¨¡æ£©40506070
MgSO430.933.435.636.9
CaSO40.2100.2070.2010.193
£¨1£©Ð´³öÉÏÊöÁ÷³ÌÖÐÉú³ÉÅðÉ°£¨Na2B4O7£©µÄÀë×Ó·½³Ìʽ4BO2-+CO2=B4O72-+CO32-
£¨2£©ÅðËá¸ùÀë×ӿɱíʾΪB£¨OH£©4-£®Ð´³öÅðËáµçÀëµÄ·½³ÌʽH3BO3+H2O?B£¨OH£©4-+H+
£¨3£©NµÎ¶¨·¨²â¶¨ÅðËᾧÌåµÄ´¿¶È£®Ñо¿½á¹û±íÃ÷£¬ÓÃ0.1mol•L-1NaOHÈÜÒºÖ±½ÓµÎ¶¨ÅðËáÈÜÒº£¬µÎ¶¨¹ý³ÌÈçÇúÏߢÙËùʾ£¬ÏòÅðËáÈÜÒºÖмÓÈë¶àÔª´¼ºóÔٵζ¨ÈçÇúÏߢÚËùʾ£®Çë·ÖÎö£¬ÄÜ·ñÓÃÇ¿¼îÖ±½ÓµÎ¶¨ÅðËáÈÜÒº£¬²»ÄÜ £¨Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±£©£¬ÀíÓÉÊÇ£ºÃ»ÓÐÃ÷ÏÔµÄpHÍ»±äÇøÓò£¬ÎÞ·¨ÅжÏÖյ㣬»áÔì³É½Ï´óµÄÎó²î
£¨4£©ÏòÅðþÄàËá½þºóµÄÈÜÒºÖУ¬¼ÓÈëµÄNaClO¿ÉÓëMn2+·´Ó¦²úÉúMnO2³Áµí£¬¸Ã·´Ó¦µÄÀë×Ó·½³ÌʽÊÇClO-+Mn2++H2O=MnO2¡ý+Cl-+2H+£®
£¨5£©¼Ó¼îµ÷½ÚÖÁpHΪ4.7ʱ£¬ÔÓÖÊÀë×Ó±ã¿ÉÍêÈ«³Áµí£®£¨Àë×ÓŨ¶ÈСÓÚ»òµÈÓÚ1¡Ál0-5mol•L-1ʱ£¬¼´¿ÉÈÏΪ¸ÃÀë×Ó³ÁµíÍêÈ«£©
£¨6£©¡°³ý¸Æ¡±Êǽ«MgSO4ºÍCaSO4»ìºÏÈÜÒºÖеÄCaSO4³ýÈ¥£¬¸ù¾ÝÉϱíÊý¾Ý£¬¼òҪ˵Ã÷³ý¸ÆµÄ²Ù×÷²½ÖèÕô·¢Å¨Ëõ½á¾§¡¢³ÃÈȹýÂË£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

19£®¹²¾Û·¨Êǽ«¹²¾Ûµ¥ÌåÒýÈëÏËά¸ß¾ÛÎï·Ö×ÓÁ´ÖУ¬¿ÉÌá¸ßÄÑȼÐÔ£®´Ë·¨¿É¸Ä½øÓлú¸ß·Ö×Ó»¯ºÏÎïµÄÐÔÖÊ£¬¸ß·Ö×Ó¾ÛºÏÎïWµÄºÏ³É·ÏßÈçÏ£º


ÒÑÖª£º
£¨1£©AΪ·¼ÏãÌþ£¬Nº¬Óм׻ù
£¨2£©MµÄ½á¹¹¼òʽΪ£º£®
£¨3£©R-CH2OH$\stackrel{KMnO_{4}/H+}{¡ú}$R-COOH£¨R±íʾÌþ»ù£©£®
£¨1£©BµÄ½á¹¹¼òʽÊÇ£»DÖк¬Ñõ¹ÙÄÜÍŵÄÃû³ÆÊÇôÇ»ù£»¢ÜµÄ·´Ó¦ÀàÐÍÊÇÏûÈ¥·´Ó¦£®
£¨2£©G¿ÉÒÔʹäåµÄËÄÂÈ»¯Ì¼ÈÜÒºÍÊÉ«£¬·´Ó¦¢ÙµÄ»¯Ñ§·½³ÌʽÊÇ£®
£¨3£©¢ÚµÄ·´Ó¦ÊÔ¼ÁÊÇHCl£¬Éè¼Æ¸Ã·´Ó¦µÄÄ¿µÄÊDZ£»¤Ì¼Ì¼Ë«¼ü²»±»Ñõ»¯
£¨4£©FÓëP°´ÕÕÎïÖʵÄÁ¿Ö®±ÈΪ1£º1·¢Éú¹²¾ÛÉú³ÉWµÄ»¯Ñ§·½³ÌʽÊÇ£®
£¨5£©·Ö×Ó×é³É±ÈEÉÙ2¸öCH2µÄÓлúÎïXÓжàÖÖͬ·ÖÒì¹¹Ì壬ÆäÖзûºÏÏÂÁÐÌõ¼þµÄXµÄͬ·ÖÒì¹¹ÌåÓÐ9 ÖÖ£»
a£®ÄÜÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦
b£®ÄÜÓë±¥ºÍäåË®·´Ó¦Éú³É°×É«³Áµí
c£®Ò»¶¨Ìõ¼þÏ£¬1mol¸ÃÓлúÎïÓë×ãÁ¿½ðÊôÄƳä·Ö·´Ó¦£¬Éú³É1mol H2£¬Çëд³öÆäÖÐ1mol¸ÃÓлúÎï×î¶àÏûºÄ1molÇâÑõ»¯ÄƵÄÒ»ÖÖͬ·ÖÒì¹¹ÌåµÄ½á¹¹¼òʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

16£®ÄÉÃ×¼¶Cu2OÓÉÓÚ¾ßÓÐÓÅÁ¼µÄ´ß»¯ÐÔÄܶøÊܵ½¹Ø×¢£¬Ï±íΪÖÆÈ¡Cu2OµÄÈýÖÖ·½·¨£º
·½·¨IÓÃ̼·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuO
·½·¨II
ÓÃ루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2
·½·¨IIIµç½â·¨£¬·´Ó¦Îª2Cu+H2O$\frac{\underline{\;µç½â\;}}{\;}$Cu2O+H2¡ü
£¨1£©ÒÑÖª£º2Cu£¨s£©+$\frac{1}{2}$O2£¨g£©=Cu2O£¨s£©¡÷H=-akJ•mol-1
C£¨s£©+$\frac{1}{2}$O2£¨g£©=CO£¨g£©¡÷H=-bkJ•mol-1
Cu£¨s£©+$\frac{1}{2}$O2£¨g£©=CuO£¨s£©¡÷H=-ckJ•mol-1
Ôò·½·¨I·¢ÉúµÄ·´Ó¦£º2Cu O£¨s£©+C£¨s£©=Cu2O£¨s£©+CO£¨g£©£»¡÷H=2c-a-bkJ•mol-1£®
£¨2£©¹¤ÒµÉϺÜÉÙÓ÷½·¨IÖÆÈ¡Cu2O£¬ÊÇÓÉÓÚ·½·¨I·´Ó¦Ìõ¼þ²»Ò׿ØÖÆ£¬Èô¿Øβ»µ±£¬»á½µµÍCu2O²úÂÊ£¬Çë·ÖÎöÔ­Òò£ºÈôζȲ»µ±£¬»áÉú³ÉCu£®
£¨3£©·½·¨IIΪ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2À´ÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2£®
¸ÃÖÆ·¨µÄ»¯Ñ§·½³ÌʽΪ4Cu£¨OH£©2+N2H4$\frac{\underline{\;¼ÓÈÈ\;}}{\;}$2Cu2O+6H2O+N2£®
£¨4£©·½·¨III²ÉÓÃÀë×Ó½»»»Ä¤¿ØÖƵç½âÒºÖÐOH-µÄŨ¶È¶øÖƱ¸ÄÉÃ×Cu2O£¬×°ÖÃÈçͼËùʾ£¬Ð´³öµç¼«·´Ó¦Ê½
²¢ËµÃ÷¸Ã×°ÖÃÖƱ¸Cu2OµÄÔ­ÀíÒõ¼«µç¼«·´Ó¦£º2H++2e-=H2¡ü£¬c£¨OH-£©Ôö´ó£¬Í¨¹ýÒõÀë×Ó½»»»Ä¤½øÈëÑô¼«ÊÒ£¬Ñô¼«µç¼«·´Ó¦£º2 Cu-2e-+2OH-=Cu2O+H2O£¬»ñµÃCu2O£®
£¨5£©ÔÚÏàͬµÄÃܱÕÈÝÆ÷ÖУ¬ÓÃÒÔÉÏÁ½ÖÖ·½·¨ÖƵõÄCu2O·Ö±ð½øÐд߻¯·Ö½âË®µÄʵÑ飺
2H2O£¨g£©$?_{Cu_{2}O}^{¹âÕÕ}$2H2£¨g£©+O2£¨g£©¡÷H£¾0£¬Ë®ÕôÆøµÄŨ¶È£¨mol/L£©Ëæʱ¼ät£¨min£©
±ä»¯ÈçϱíËùʾ£®
ÐòºÅCu2O a¿ËζÈ01020304050
¢Ù·½·¨IIT10.0500.04920.04860.04820.04800.0480
¢Ú·½·¨IIIT10.0500.04880.04840.04800.04800.0480
¢Û·½·¨IIIT20.100.0940.0900.0900.0900.090
ÏÂÁÐÐðÊöÕýÈ·µÄÊÇcd£¨Ìî×Öĸ´úºÅ£©£®
a£®ÊµÑéµÄζȣºT2£¼T1
b£®ÊµÑé¢ÙÇ°20minµÄƽ¾ù·´Ó¦ËÙÂÊv£¨O2£©=7¡Á10-5mol•L-1•min-1
c£®ÊµÑé¢Ú±ÈʵÑé¢ÙËùÓõÄCu2O´ß»¯Ð§Âʸß
d£® ÊµÑé¢Ù¡¢¢Ú¡¢¢ÛµÄ»¯Ñ§Æ½ºâ³£ÊýµÄ¹Øϵ£ºK1=K2£¼K3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

3£®ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®·ÖÀà·½·¨¡¢Í³¼Æ·½·¨¡¢¶¨Á¿Ñо¿¡¢ÊµÑé·½·¨ºÍÄ£ÐÍ»¯·½·¨µÈÊÇ»¯Ñ§Ñо¿µÄ³£Ó÷½·¨
B£®µç½âÈÛÈÚÑõ»¯ÂÁ¡¢´Ö¹èµÄÖÆÈ¡¡¢ÉúÎïÁ¶Í­¡¢Ãº½¹ÓÍÖÐÌáÈ¡±½µÈ¹ý³Ì¶¼Éæ¼°»¯Ñ§±ä»¯
C£®´Ó2016Äê1ÔÂ1ºÅ¿ªÊ¼Õã½­Ê¡ÆûÓͱê×¼ÓÉ¡°¹ú¢ô¡±Ìá¸ßµ½¡°¹úV¡±£¬µ«Õâ²¢²»Òâζ×ÅÆû³µ²»ÔÙÅŷŵªÑõ»¯Îï
D£®ÄÉÃ×¼¼Êõ¡¢·Ö×ÓÉè¼Æ¼¼ÊõµÄ·¢Õ¹£¬½«Ê¹·Ö×Ó¾§Ìå¹Ü¡¢·Ö×ÓоƬ¡¢·Ö×Óµ¼Ïß¡¢·Ö×Ó¼ÆËã»úµÈ»¯Ñ§Æ÷¼þµÃµ½¹ã·ºµÄÓ¦ÓÃ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

13£®X¡¢Y¡¢Z¡¢U¡¢WÎåÖÖ¶ÌÖÜÆڷǽðÊôÔªËØ£¬ËüÃǵÄÔ­×Ӱ뾶ÓëÔ­×ÓÐòÊýÓÐÈçͼ¹Øϵ£¬»¯ºÏÎïXZÊÇˮúÆøµÄÖ÷Òª³É·ÖÖ®Ò»£¬ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®U¡¢X¡¢W ÈýÖÖÔªËØ×î¸ß¼ÛÑõ»¯ÎïµÄË®»¯ÎïËáÐÔÒÀ´ÎÔöÇ¿
B£®ÓÉY¡¢ZºÍÇâÈýÖÖÔªËØÐγɵĻ¯ºÏÎïÖÐÖ»Óй²¼Û¼ü
C£®XZ2¡¢YZ2ÓëX60µÄ»¯Ñ§¼üÀàÐͺ;§ÌåÀàÐͶ¼Ïàͬ
D£®TÔªËØÓëUͬÖ÷×åÇÒÔÚÏÂÒ»ÖÜÆÚ£¬ÄÜÐγɻ¯ºÏÎïTW4¡¢TZ2¡¢T3Y4

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

20£®Ä¤¼¼ÊõÔ­ÀíÔÚ»¯¹¤Éú²úÖÐÓÐ׏㷺µÄÓ¦Óã®ÓÐÈËÉèÏëÀûÓõ绯ѧԭÀíÖƱ¸ÉÙÁ¿ÁòËáºÍÂÌÉ«Ïõ»¯¼ÁN2O5£¬×°ÖÃͼÈçÏ£®ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®XÊÇÔ­µç³Ø£¬Äܹ»Éú²úÁòËᣮYÊǵç½â³Ø£¬Äܹ»Éú²úN2O5
B£®cµç¼«µÄµç¼«·´Ó¦·½³ÌʽΪ£ºN2O4+2HNO3-2e-=2N2O5+2H+
C£®µ±µç·ÖÐͨ¹ý2mol e-£¬X¡¢YÖи÷ÓÐ1molH+´Ó×ó±ßǨÒƵ½ÓÒ±ß
D£®Îª±£Ö¤XÖÐÁòËáµÄÖÊÁ¿·ÖÊý²»±ä£¬Ôò¼ÓÈëµÄn£¨so2£©£ºn£¨H2O£©=1£º7.4

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

17£®¶ÌÖÜÆÚÖ÷×åÔªËØX¡¢Y¡¢Z¡¢WµÄÔ­×ÓÐòÊýÒÀ´ÎÔö´ó£¬ËüÃÇÔ­×ÓµÄ×îÍâ²ãµç×ÓÊýÖ®ºÍΪ19£®YÔ­×ӵĵç×Ó²ãÊýÓë×îÍâ²ãµç×ÓÊýµÄ±ÈµÈÓÚ$\frac{1}{3}$£¬ZÔ­×Ó×îÍâ²ãµç×ÓÊýÓëÄÚ²ãµç×ÓÊýµÄ±ÈΪ$\frac{1}{10}$£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®·Ç½ðÊôÐÔ£ºY£¼X£¼W
B£®¼òµ¥Æø̬Ç⻯ÎïµÄÈÈÎȶ¨ÐÔ£ºY£¼X
C£®»¯ºÏÎïZW¡¢XYÖл¯Ñ§¼üÀàÐÍÏàͬ
D£®X¡¢WµÄ×î¸ß¼ÛÑõ»¯ÎïµÄË®»¯Îï¾ùΪǿËá

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

7£®¡°µâÖÓ¡±ÊµÑéÖУ¬3I-+S2O${\;}_{8}^{2-}$¨TI${\;}_{3}^{-}$+2SO${\;}_{4}^{2-}$µÄ·´Ó¦ËÙÂÊ¿ÉÒÔÓÃI${\;}_{3}^{-}$Óë¼ÓÈëµÄµí·ÛÈÜÒºÏÔÀ¶É«µÄʱ¼ätÀ´¶ÈÁ¿£¬tԽС£¬·´Ó¦ËÙÂÊÔ½´ó£®Ä³Ì½¾¿ÐÔѧϰС×éÔÚ20¡æ½øÐÐʵÑ飬µÃµ½µÄÊý¾ÝÈçÏÂ±í£º
ʵÑé±àºÅ¢Ù¢Ú¢Û¢Ü¢Ý
c£¨I-£©/mol/L0.0400.0800.0800.1600.120
c£¨S2O${\;}_{8}^{2-}$£©/mol/L0.0400.0400.0800.0200.040
t/s88.044.022.044.0t1
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¸ÃʵÑéµÄÄ¿µÄÊÇ£ºÑо¿·´Ó¦ÎïI-ÓëS2O82-µÄŨ¶È¶Ô·´Ó¦ËÙÂʵÄÓ°Ï죮
£¨2£©¸ù¾Ý¢Ù¡¢¢Ú¡¢¢ÝÈý¸öʵÑéµÄÊý¾Ý£¬ÍƲâÏÔɫʱ¼ät1=29.3s£®
£¨3£©Î¶ȶԸ÷´Ó¦µÄ·´Ó¦ËÙÂʵÄÓ°Ïì·ûºÏÒ»°ã¹æÂÉ£¬ÈôÔÚ40¡æϽøÐбàºÅ¢Û¶ÔӦŨ¶ÈµÄʵÑ飬ÏÔɫʱ¼ät2µÄ·¶Î§ÎªA£¨Ìî×Öĸ£©£®
A£®£¼22.0s       B£®22.0¡«44.0s        C£®£¾44.0s    D£®Êý¾Ý²»×㣬ÎÞ·¨ÅжÏ
£¨4£©Í¨¹ý·ÖÎö±È½ÏÉϱíÊý¾Ý£¬µÃµ½µÄ½áÂÛ·´Ó¦ËÙÂÊÓë·´Ó¦ÎïÆðʼŨ¶È³Ë»ý³ÉÕý±È£¨»òÏÔɫʱ¼äÓë·´Ó¦ÎïÆðʼŨ¶È³Ë»ý³É·´±È£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸