15£®ÔÚ³£ÎÂÏ£¬·¢ÉúÏÂÁм¸ÖÖ·´Ó¦£º¢Ù16H++10Z-+2XO4-¨T2X2++5Z2+8H2O ¢Ú2A2++B2¨T2A3++2B-  ¢Û2B-+Z2¨TB2+2Z- ¸ù¾ÝÉÏÊö·´Ó¦£¬ÅжÏÏÂÁнáÂÛ´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®X2+ÊÇXO4-µÄ»¹Ô­²úÎï
B£®ÈÜÒºÖпɷ¢Éú£ºZ2+2A2+¨T2A3++2Z-
C£®Ñõ»¯ÐÔÇ¿ÈõµÄ˳ÐòΪ£ºXO4-£¾B2£¾Z2£¾A3+
D£®Z2ÔÚ¢ÙÖÐÊÇÑõ»¯²úÎ¢ÛÖÐÊÇÑõ»¯¼Á

·ÖÎö ¢Ù16H++10Z-+2XO4-¨T2X2++5Z2+8H2OÖУ¬ZÔªËصĻ¯ºÏ¼ÛÉý¸ß£¬XÔªËصĻ¯ºÏ¼Û½µµÍ£»
¢Ú2A2++B2¨T2A3++2BR-ÖУ¬AÔªËصĻ¯ºÏ¼ÛÉý¸ß£¬BÔªËصĻ¯ºÏ¼Û½µµÍ£»
¢Û2B-+Z2¨TB2+2Z-ÖУ¬ZÔªËصĻ¯ºÏ¼Û½µµÍ£¬BÔªËصĻ¯ºÏ¼ÛÉý¸ß£¬½áºÏÑõ»¯»¹Ô­·´Ó¦»ù±¾¸ÅÄî¼°Ñõ»¯¼ÁµÄÑõ»¯ÐÔ´óÓÚÑõ»¯²úÎïµÄÑõ»¯ÐÔ¡¢»¹Ô­¼ÁµÄ»¹Ô­ÐÔ´óÓÚ»¹Ô­²úÎïµÄ»¹Ô­ÐÔÀ´½â´ð£®

½â´ð ½â£ºA£®·´Ó¦¢Ù16H++10Z-+2XO4-=2X2++5Z2+8H2OÖУ¬XÔªËØ»¯ºÏ¼Û½µµÍ£¬±»»¹Ô­£¬X2+ÊÇ»¹Ô­²úÎ¹ÊAÕýÈ·£»
B£®¢Ù16H++10Z-+2XO4-¨T2X2++5Z2+8H2O£¬Ñõ»¯ÐÔ£ºXO4-£¾Z2£¬
¢Ú2A2++B2¨T2A3++2B-£¬Ñõ»¯ÐÔ£ºB2£¾A3+£¬
¢Û2B-+Z2¨TB2+2Z-£¬Ñõ»¯ÐÔ£ºZ2£¾B2£¬
ËùÒÔÑõ»¯ÐÔ¹ØϵΪ£ºXO4-£¾Z2£¾B2£¾A3+£¬ËùÒÔÈÜÒºÖпɷ¢Éú£ºZ2+2A2+¨T2A3++2Z-£¬¹ÊBÕýÈ·£»
C£®ÓÉB·ÖÎö¿ÉÖªÑõ»¯ÐÔ¹ØϵΪ£ºXO4-£¾Z2£¾B2£¾A3+£¬¹ÊC´íÎó£»
D£®¢ÙÖÐZµÄ»¯ºÏ¼ÛÉý¸ß£¬ÔòZ2ÔÚ¢ÙÖÐÊÇÑõ»¯²úÎ¢ÛÖÐZÔªËصĻ¯ºÏ¼Û½µµÍ£¬ÔòZ2ÊÇÑõ»¯¼Á£¬¹ÊDÕýÈ·£»
¹ÊÑ¡C£®

µãÆÀ ±¾Ì⿼²éÑõ»¯»¹Ô­·´Ó¦ÖÐÑõ»¯ÐԵıȽϼ°Ïà¹ØµÄ»ù±¾¸ÅÄÃ÷È··´Ó¦ÖÐÔªËصĻ¯ºÏ¼Û±ä»¯¼°Ñõ»¯ÐԱȽϷ½·¨Îª½â´ðµÄ¹Ø¼ü£¬ÌâÄ¿ÄѶȲ»´ó£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

5£®ÔÚijÖÐѧµÄ»¯Ñ§ÊµÑéÊÒÒ©Æ·¹ñÖУ¬ÓÐÒ»¸ö×°ÓÐNa2O2ÊÔ¼ÁµÄÌú¹Þ£¬Ê¹ÓöàÄ꣬Ðâ¼£°ß°ß£¬Æ¿ÄÚÓа×É«¹ÌÌ壬²¢°éÓнá¿é£®
£¨1£©Î§ÈÆÉÏÊöÊÂʵ£¬½áºÏÄãµÄ»¯Ñ§Êµ¼ù¾­Ñ飬Ìá³öÒ»¸öÓмÛÖµµÄ̽¾¿¿ÎÌ⣨»òÎÊÌ⣩̽¾¿ÊÔ¼ÁÊÇ·ñ±äÖÊ£®
£¨2£©Ä³»¯Ñ§ÐËȤС×é´ÓÆ¿ÄÚ¹ÌÌåµÄÑÕÉ«³õ²½Åжϣ¬¸ÃÊÔ¼ÁÒѾ­±äÖÊ£¬ÀíÓÉÊÇÆ¿ÄÚÓа×É«¹ÌÌ壬¶øNa2O2Ϊµ­»ÆÉ«¹ÌÌ壮
£¨3£©ÔÚÍê³ÉÉÏÊö¶¨ÐÔÅжϺó£¬ÐËȤС×é²ÉÓÃÁËÏÂÁÐÁ½ÖÖ·½·¨½øÐж¨Á¿Ñо¿©¤©¤²â¶¨ÑùÆ·ÖÐNa2O2µÄº¬Á¿£®
·½·¨1©¤©¤Á¿Æø·¨
ͨ¹ý²âÁ¿Na2O2ÓëË®·´Ó¦·Å³öO2µÄÌå»ý£¬¼ÆËãÑùÆ·ÖÐNa2O2µÄº¬Á¿£®
²âÁ¿¹¤¾ßΪ1¸ö½ºÈûºÍ1¸ö×¢ÉäÆ÷ £¨¿ÉÁé»îװж»îÈû¡¢ÆøÃÜÐÔÁ¼ºÃ£©£®ÊµÑéÁ÷³ÌͼÈçÏ£º
 
  £¨¡°¹ÀË㡱ÊÇÖ¸¸ù¾Ý×¢ÉäÆ÷ÈÝ»ýÈ·¶¨mÑùÆ·µÄ×î´óÖµ£»ºöÂÔ¹ÌÌåÑùÆ·µÄÌå»ý£©
Çë¸ù¾ÝÉÏÊöʵÑéÁ÷³Ìͼ£¬Ð´³ö A¡¢CµÄʵÑé²Ù×÷²¢ÍêÉÆBµÄ²Ù×÷²½Ö裺
 A£º³ÆÁ¿£»B£ºÎüË®£¬ÓýºÈûѸËÙ¶ÂסÕëÍ·£»C£º¶ÁÊý£®
·½·¨2--Õô·¢·¨
¼ÙÉèÑùÆ·Öк¬ÄÆÔªËصÄÎïÖÊÖ»ÓÐNa2O2ºÍNa2CO3£¬ÊµÑé¹ý³ÌÈçͼ£º

¢ÙÉÏÊöʵÑé²½ÖèÖУ¬ÐèÒªÓõ½²£Á§°ôµÄ²Ù×÷ÊÇÈܽ⡢¹ýÂË»òÕô·¢£¨ÌîÁ½ÖÖ²Ù×÷·½·¨£©£®
¢ÚÍùÂËÒºÖмÓÏ¡ÑÎËáÖÁ¹ýÁ¿£¬ÆäÄ¿µÄÊÇʹÂËÒºÖеÄNaOH¡¢Na2CO3£¨Ìѧʽ£©Íêȫת»¯ÎªNaCl£®
¢ÛʵÑé½áÊøºó£¬ÍùÄÑÈÜÔÓÖÊÖеμÓÏ¡ÑÎËᣬ·¢ÏÖÆäÈܽ⣬ËùµÃÈÜÒº³Ê»ÆÉ«£¬ËµÃ÷ÑùÆ·ÖеÄÄÑÈÜÔÓÖÊΪFe2O3£®
¢Ü¸ÃС֯ʵÑéÊý¾Ý¼Ç¼Èç±í£º
 mÑùÆ· mÄÑÈÜÔÓÖÊ m£¨NaCl£©
 8.00g 0.42g10.53g 
¸ù¾ÝÉÏÊöÊý¾Ý¼ÆË㣬Na2O2µÄÖÊÁ¿·ÖÊýΪ66.3%£®
£¨4£©ÉÏÊöÁ½ÖֲⶨNa2O2º¬Á¿µÄ·½·¨ÖУ¬·½·¨1£¨Ìî¡°1¡±»ò¡°2¡±£©µÄ²âÁ¿½á¹û¸ü׼ȷ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

6£®ÒÑÖª°¢·üÙ¤µÂÂÞ³£Êý¿É±íʾΪNA£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÈκÎÆøÌåµ¥ÖÊÔÚ±ê×¼×´¿öÏÂÌå»ýԼΪ22.4L£¬Ôòº¬ÓÐ2NA¸öÔ­×Ó
B£®³£Î³£Ñ¹Ï£¬16gÑõÆøºÍ32 g³ôÑõ£¨O3£©Ëùº¬ÑõÔ­×Ó×ÜÊýΪ3NA
C£®³£Î³£Ñ¹Ï£¬11.2L¼×ÍéÖк¬ÓеÄÇâÔ­×ÓÊýΪ2NA
D£®±ê×¼×´¿öÏ£¬0.3mol¶þÑõ»¯Ì¼Öк¬ÓÐÑõÔ­×ÓÊý0.3NA

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

3£®Ëæ×ű×åÔªËغ˵çºËÊýµÄÔö´ó£¬ÏÂÁеݱä¹æÂÉÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®µ¥ÖʵÄÑÕÉ«Öð½¥¼ÓÉîB£®µ¥ÖʵÄÈ۷еãÖð½¥½µµÍ
C£®µ¥ÖʵÄÃܶÈÖð½¥¼õСD£®µ¥ÖÊÔÚË®ÖеÄÈܽâ¶ÈÖð½¥Ôö´ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

10£®2014Öйú£¨º£ÄÏ£©¹ú¼Êº£Ñó²úÒµ²©ÀÀ»áÓÚ2014Äê10ÔÂ17ÈÕÖÁ19ÈÕÔÚº£ÄϹú¼Ê»áÕ¹ÖÐÐľٰ죮º£ÑóÊÇÒ»¸ö·á¸»µÄ×ÊÔ´±¦¿â£¬Í¨¹ýº£Ë®µÄ×ÛºÏÀûÓÿɻñµÃÐí¶àÎïÖʹ©ÈËÀàʹÓã®
£¨1£©¹¤ÒµÉÏ´Óº£Ë®ÖÐÌáÈ¡µÄNaCl¿ÉÓÃÀ´ÖÆÈ¡´¿¼î£¬Æä¼òÒª¹ý³ÌÈçÏ£ºÏò±¥ºÍʳÑÎË®ÖÐÏÈͨÈëÆøÌåA£¬ºóͨÈëÆøÌåB£¬³ä·Ö·´Ó¦ºóµÃµ½¾§ÌåNaHCO3£¬ÔÙ½«Æä×ÆÉյõ½´¿¼î£¬ÆøÌåA¡¢BÊÇCO2»òNH3£¬ÔòÆøÌåAÓ¦ÊÇNH3£¨Ìѧʽ£©£¬Ô­ÒòÊÇNH3Ò×ÈÜÓÚË®£¬ÇÒË®ÈÜÒºÏÔ¼îÐÔ£¬ÓÐÀûÓÚ³ä·ÖÎüÊÕCO2£¬Ôö´óÈÜÒºÖÐ̼ËáÇâ¸ùµÄŨ¶È£®
£¨2£©Óÿà±£¨º¬Na+¡¢K+¡¢Mg2+¡¢Cl-¡¢Br-µÈÀë×Ó£©¿ÉÌáÈ¡ä壬ÆäÉú²úÁ÷³ÌÈçÏ£º

¢ÙÈôÎüÊÕËþÖеÄÈÜÒºº¬BrO3-£¬ÔòÎüÊÕËþÖз´Ó¦µÄÀë×Ó·½³ÌʽΪ3CO32-+3Br2=5Br-+BrO3-+3CO2¡ü£®
¢Úͨ¹ý¢ÙÂÈ»¯ÒÑ»ñµÃº¬Br2µÄÈÜÒº£¬·¢ÉúµÄÀë×Ó·´Ó¦Ê½Îª2Br-+Cl2=Br2+2Cl-£»
µ«ÊÇ£¬»¹Ðè¾­¹ý´µ³ö¡¢ÎüÊÕ¡¢ËữÀ´ÖØлñµÃº¬Br2µÄÈÜÒº£¬ÆäÄ¿µÄÊǸ»¼¯ä壬Ìá¸ßBr2µÄŨ¶È£®
¢ÛÏòÕôÁóËþÖÐͨÈëË®ÕôÆø¼ÓÈÈ£¬¿ØÖÆζÈÔÚ90¡æ×óÓÒ½øÐÐÕôÁóµÄÔ­ÒòÊÇ˳Àû½«äåÕô³ö£¬Í¬Ê±·ÀֹˮÕôÁó³öÀ´£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

20£®ÏÂÁÐÓйØÊÔ¼ÁµÄ±£´æ·½·¨£¬´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®Å¨ÏõËá±£´æÔÚ×ØÉ«²£Á§ÊÔ¼ÁÆ¿ÖÐ
B£®ÉÙÁ¿µÄÄƱ£´æÔÚúÓÍÖÐ
C£®ÐÂÖƵÄÂÈˮͨ³£±£´æÔÚ×ØÉ«²£Á§ÊÔ¼ÁÆ¿ÖÐ
D£®ÇâÑõ»¯ÄÆÈÜÒºÓôøÄ¥¿Ú²£Á§ÈûµÄÆÕͨÊÔ¼ÁÆ¿Öü´æ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

7£®ÏÂÁÐÀë×Ó·½³ÌʽµÄÊéд£¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®´óÀíʯÈÜÓÚ´×ËáÖУºCaCO3+2CH3COOH¨TCa2++2CH3COO-+CO2¡ü+H2O
B£®ÓÃÁòËáÍ­ÈÜÒºÎüÊÕÁò»¯ÇâÆøÌ壺Cu2++S2-¨TCuS¡ý
C£®Ï¡ÏõËáÖмÓÈë¹ýÁ¿Ìú·Û£º3Fe+8H++2NO3-¨T3Fe3++2NO¡ü+4H2O
D£®ÏòNaHCO3ÈÜÒºÖмÓÈëÉÙÁ¿µÄBa£¨OH£©2ÈÜÒº£ºBa2++HCO3-+OH-¨TBaCO3¡ý+H2O

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

4£®Ãº»¯¹¤¿ÉÖƵü״¼£®ÒÔÏÂÊǺϳɾۺÏÎïMµÄ·Ïßͼ£®

¼ºÖª£º¢ÙE¡¢F¾ùÄÜ·¢ÉúÒø¾µ·´Ó¦£»¢Ú+RX$\stackrel{´ß»¯¼Á}{¡ú}$+HXÍê³ÉÏÂÁÐÌî¿Õ£º
£¨1£©¹ØÓÚ¼×´¼Ëµ·¨´íÎóµÄÊÇa£¨Ñ¡ÌîÐòºÅ£©£®
a£®¼×´¼¿É·¢ÉúÈ¡´ú¡¢Ñõ»¯¡¢ÏûÈ¥µÈ·´Ó¦  b£® ¼×´¼¿ÉÒÔ²úÉúCH3OCH3£¨ÒÒÃÑ£©
c£®¼×´¼Óж¾ÐÔ£¬¿ÉʹÈË˫ĿʧÃ÷         d£®¼×´¼ÓëÒÒ´¼ÊôÓÚͬϵÎï
£¨2£©¼×´¼×ª»¯ÎªEµÄ»¯Ñ§·½³ÌʽΪ2CH3OH+O22HCHO+2H2O£®
£¨3£©CÉú³ÉDµÄ·´Ó¦ÀàÐÍÊÇÏûÈ¥·´Ó¦£» Ð´³öGµÄ½á¹¹¼òʽHCOOCH3£®
£¨4£©È¡1.08g AÎïÖÊ£¨Ê½Á¿108£©Óë×ãÁ¿±¥ºÍäåË®ÍêÈ«·´Ó¦ÄÜÉú³É2.66g°×É«³Áµí£¬Ð´³öAµÄ½á¹¹¼òʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

5£®£¨1£©Ð´³öÏÂÁл¯ºÏÎïµÄ½á¹¹¼òʽ2£¬2£¬3£¬3£¬-Ëļ׻ùÎìÍ飺£¨CH3£©3C-C£¨CH3£©2-CH2-CH3£®
£¨2£©¢Ùд³öNa2CO3ÈÜÒºÓëAlCl3ÈÜÒº·´Ó¦µÄÀë×Ó·½³Ì3CO32-+2Al3++3H2O=2Al£¨OH£©3¡ý+3CO2¡ü£®
¢Úд³öÓɼױ½ÖƱ¸TNTµÄ»¯Ñ§·½³Ìʽ£º£®
¢ÛNa2CO3ÈÜÒºÏÔ¼îÐÔ£¬ÓÃÀë×Ó·½³Ìʽ±íʾԭÒòCO32-+H2O?HCO3-+OH-£¬ÆäÈÜÒºÖÐÀë×ÓŨ¶È´óС˳ÐòΪc£¨Na+£©£¾c£¨CO32-£©£¾c£¨OH-£©£¾c£¨HCO3-£©£¾c£¨H+£©£®
£¨3£©³ýÈ¥À¨ºÅÖеÄÔÓÖÊ£¬ÌîÉÏÊÊÒ˵ÄÊÔ¼ÁºÍÌá´¿·½·¨ÒÒ´¼£¨Ë®£©£ºCaO¡¢ÕôÁó£®
¼×ÍéȼÁϵç³Ø£¨ÔÚKOH»·¾³ÖУ©µÄ¸º¼«µÄµç¼«·´Ó¦Ê½£ºCH4+10OH--8e-=CO32-+7H2O£®
£¨4£©½«Ãº×ª»¯ÎªÃºÆøµÄÖ÷Òª»¯Ñ§·´Ó¦Îª£ºC£¨s£©+H2O£¨g£©¨TCO£¨g£©+H2£¨g£©
C£¨s£©¡¢CO£¨g£©ºÍH2£¨g£©ÍêȫȼÉÕµÄÈÈ»¯Ñ§·½³ÌʽΪ£º
C£¨s£©+O2£¨g£©¨TCO2£¨g£©¡÷H=-393.5kJ/mol
H2£¨g£©+$\frac{1}{2}$O2£¨g£©¨TH2O£¨g£©¡÷H=-242.0kJ/mol
CO£¨g£©+$\frac{1}{2}$O2£¨g£©¨TCO2£¨g£©¡÷H=-283.0kJ/mol
¸ù¾ÝÒÔÉÏÊý¾Ý£¬Ð´³öC£¨s£©ÓëË®ÕôÆø·´Ó¦µÄÈÈ»¯Ñ§·½³ÌC£¨s£©+H2O£¨g£©¨TCO£¨g£©+H2£¨g£©¡÷H=+131.5kJ•mol-1£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸