ÌâÄ¿ÄÚÈÝ

11£®Ä³¿ÎÍâÐËȤС×é¶ÔH2O2µÄ·Ö½âËÙÂÊ×öÁËÈçÏÂʵÑé̽¾¿£®
£¨1£©Ï±íÊǸÃС×éÑо¿Ó°Ïì¹ýÑõ»¯Ç⣨H2O2£©·Ö½âËÙÂʵÄÒòËØʱ²É¼¯µÄÒ»×éÊý¾Ý£ºÓÃ10mL H2O2ÖÆÈ¡150mLO2ËùÐèµÄʱ¼ä£¨Ã룩
30%H2O215%H2O210%H2O25%H2O2
ÎÞ´ß»¯¼Á¡¢²»¼ÓÈȼ¸ºõ²»·´Ó¦¼¸ºõ²»·´Ó¦¼¸ºõ²»·´Ó¦¼¸ºõ²»·´Ó¦
ÎÞ´ß»¯¼Á¡¢¼ÓÈÈ360480540720
MnO2´ß»¯¼Á¡¢¼ÓÈÈ102560120
¢Ù¸ÃС×éÔÚÉè¼Æ·½°¸Ê±£¬¿¼ÂÇÁËŨ¶È¡¢a£ºÎ¶ȡ¢b£º´ß»¯¼ÁµÈÒòËضԹýÑõ»¯Çâ·Ö½âËÙÂʵÄÓ°Ï죮
¢Ú´ÓÉÏÊöÓ°ÏìH2O2·Ö½âËÙÂʵÄÒòËØaºÍbÖÐÈÎÑ¡Ò»¸ö£¬ËµÃ÷¸ÃÒòËضԸ÷´Ó¦ËÙÂʵÄÓ°Ï죺ÆäËûÌõ¼þ²»±ä£¬Éý¸ß·´Ó¦Î¶ȣ¬H2O2·Ö½âËÙÂʼӿ죮
£¨2£©Ä³Í¬Ñ§ÔÚ10mL H2O2 ÈÜÒºÖмÓÈëÒ»¶¨Á¿µÄ¶þÑõ»¯ÃÌ£¬·Å³öÆøÌåµÄÌå»ý£¨±ê×¼×´¿ö£©Ó뷴Ӧʱ¼äµÄ¹ØϵÈçÈçͼËùʾ£¬
¢Ùд³öH2O2·¢ÉúµÄ»¯Ñ§·´Ó¦·½³Ìʽ2H2O2$\frac{\underline{\;MnO_{2}\;}}{\;}$2H2O+O2¡ü£®
¢ÚA¡¢B¡¢CÈýµãËù±íʾµÄ¼´Ê±·´Ó¦ËÙÂÊ×îÂýµÄÊÇC£®
£¨3£©Èô½«ÊÊÁ¿MnO2¼ÓÈëËữµÄH2O2µÄÈÜÒºÖУ¬MnO2Èܽâ²úÉúMn2+£¬ÁíÍ⣬²úÎïÖл¹ÓÐO2²úÉú£¬Çëд³ö¸Ã·´Ó¦µÄÀë×Ó·½³ÌʽMnO2+2H++H2O2=Mn2++O2¡ü+2H2O£®

·ÖÎö £¨1£©¢Ù¹ýÑõ»¯ÇâÈÜÒºÊÇʵÑéÊÒÖÆÈ¡ÑõÆøµÄÖØÒªÒ©Æ·£¬ÔÚ³£ÎÂϺÜÄÑ·Ö½âµÃµ½ÑõÆø£¬Æä·Ö½âËÙ¶ÈÊÜŨ¶È¡¢Î¶ȡ¢´ß»¯¼ÁµÈÒòËصÄÓ°Ï죻
¢ÚÉè¼ÆʵÑé·½°¸À´Ö¤Ã÷ʱ£¬Òª×¢ÒâʵÑéµÄ¿ØÖƱäÁ¿£¬ÒÔÈ·±£ÊµÑé½á¹ûµÄ׼ȷÐÔ£»
£¨2£©¢Ù¶þÑõ»¯ÃÌÊǹýÑõ»¯Çâ·Ö½âµÄ´ß»¯¼Á£¬ÓÉ´ø»ðÐÇľÌõ¸´È¼£¬¿ÉÖª²úÎÓÉ´Ë¿Éд³ö·½³Ìʽ£»
¢Ú¸ù¾ÝŨ¶È¶Ô·´Ó¦ËÙÂʵÄÓ°Ïì·ÖÎö£»
¢ÛËữµÄH2O2µÄÓëMnO2·´Ó¦Éú³ÉMn2+ºÍO2£®

½â´ð ½â£º£¨1£©¢Ù¸ù¾Ý±íÖиø³öµÄÊý¾Ý£¬ÎÞ´ß»¯¼Á²»¼ÓÈȵÄÇé¿öÏ£¬²»Í¬Å¨¶ÈµÄ¹ýÑõ»¯ÇâÈÜÒº¶¼ÊǼ¸ºõ²»·´Ó¦£¬ÔÚÎÞ´ß»¯¼Á¼ÓÈȵÄÇé¿öÏ£¬²»Í¬Å¨¶ÈµÄ¹ýÑõ»¯ÇâÈÜÒº¶¼·Ö½â£¬ËµÃ÷¹ýÑõ»¯ÇâµÄ·Ö½âËÙÂÊÓëζÈÓйأ¬µ«Êǵõ½ÏàͬÆøÌåµÄʱ¼ä²»Í¬£¬Å¨¶ÈÔ½´ó£¬·´Ó¦µÄËÙ¶ÈÔ½¿ì£¬ËµÃ÷¹ýÑõ»¯ÇâµÄ·Ö½âËÙÂÊÓëŨ¶ÈÓйأ»±È½ÏͬһŨ¶ÈµÄ¹ýÑõ»¯ÇâÈÜÒºÈç30%ʱ£¬ÔÚÎÞ´ß»¯¼Á¼ÓÈȵÄʱºò£¬ÐèҪʱ¼äÊÇ360s£¬Óд߻¯¼Á¼ÓÈȵÄÌõ¼þÏ£¬ÐèҪʱ¼äÊÇ10s£¬ËµÃ÷¹ýÑõ»¯ÇâµÄ·Ö½âËÙÂÊÓëζȡ¢´ß»¯¼ÁÓйأ¬¹Ê´ð°¸Îª£ºÎ¶ȣ»´ß»¯¼Á£»
¢Ú·ÖÎö±íÖÐÊý¾Ý¿ÉÒÔ¿´³ö£¬Å¨¶ÈÔ½´ó£¬·´Ó¦ËÙÂÊÔ½¿ì£¬¼ÓÈÈÄܼӿì¹ýÑõ»¯ÇâµÄ·Ö½â£¬Óд߻¯¼ÁÊÇ·Ö½âËÙÂʿ죬
¹Ê´ð°¸Îª£ºÎ¶ÈÉý¸ß»¯Ñ§·´Ó¦ËÙÂʼӿ죻·´Ó¦ÎïŨ¶ÈÔö´ó»¯Ñ§·´Ó¦ËÙÂʼӿ죻ʹÓúÏÊʵĴ߻¯¼Á»¯Ñ§·´Ó¦ËÙÂʼӿ죻
£¨2£©¢ÙH2O2ÔÚ¶þÑõ»¯ÃÌ×÷ÓÃÏ·¢Éú·´Ó¦µÄ»¯Ñ§·´Ó¦·½³ÌʽΪ£º2H2O2$\frac{\underline{\;MnO_{2}\;}}{\;}$2H2O+O2¡ü£¬¹Ê´ð°¸Îª£º2H2O2$\frac{\underline{\;MnO_{2}\;}}{\;}$2H2O+O2¡ü£»
¢ÚÒòÔÚÆäËûÌõ¼þÏàͬʱ£¬Ëæ·´Ó¦µÄ½øÐУ¬ÈÜҺŨ¶È¼õС£¬¼´Ê±·´Ó¦ËÙÂÊÖð½¥¼õС£¬CµÄбÂÊÒ²×îС£¬¹Ê·´Ó¦ËÙÂÊ×îÂý£¬¹Ê´ð°¸Îª£ºC£»
¢ÛËữµÄH2O2µÄÓëMnO2·´Ó¦Éú³ÉMn2+ºÍO2£¬·´Ó¦µÄ·½³ÌʽΪ£ºMnO2+2H++H2O2=Mn2++O2¡ü+2H2O£®¹Ê´ð°¸Îª£ºMnO2+2H++H2O2=Mn2++O2¡ü+2H2O£®

µãÆÀ ±¾Ìâͨ¹ýͼ±íÊý¾Ý£¬¿¼²ìÁËÍâ½çÌõ¼þ¶Ô·´Ó¦ËÙÂʵÄÓ°Ï죬ÄѶÈÊÊÖУ¬Òª×¢Òâ·ÖÎöÆäËûÌõ¼þÏàͬ£¬Ö»ÓÐÒ»¸öÌõ¼þ¸Ä±äʱ£¬ÈçºÎÓ°Ïì·´Ó¦ËÙÂÊ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
3£®Ìú¡¢Í­¼°Æ仯ºÏÎïÔÚÈÕ³£Éú²ú¡¢Éú»îÓÐ׏㷺µÄÓ¦Óã®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÌúÔÚÔªËØÖÜÆÚ±íÖеÄλÖõÚËÄÖÜÆÚµÚ¢ø×壮
£¨2£©ÅäºÏÎïFe£¨CO£©x³£ÎÂϳÊҺ̬£¬ÈÛµãΪ-20.5¡æ£¬·ÐµãΪ103¡æ£¬Ò×ÈÜÓڷǼ«ÐÔÈܼÁ£¬¾Ý´Ë¿ÉÅжÏFe£¨CO£©x¾§ÌåÊôÓÚ·Ö×Ó¾§Ì壨ÌÌåÀàÐÍ£©£®Fe£¨CO£©xµÄÖÐÐÄÔ­×Ó¼Ûµç×ÓÊýÓëÅäÌåÌṩµç×ÓÊýÖ®ºÍΪ18£¬Ôòx=5£®Fe£¨CO£©xÔÚÒ»¶¨Ìõ¼þÏ·¢Éú·´Ó¦£º
Fe£¨CO£©x£¨s£©?Fe£¨s£©+xCO£¨g£©£®ÒÑÖª·´Ó¦¹ý³ÌÖÐÖ»¶ÏÁÑÅäλ¼ü£¬ÓÉ´ËÅжϸ÷´Ó¦ËùÐγɵĻ¯Ñ§¼üÀàÐÍΪ½ðÊô¼ü£®
£¨3£©Ð´³öCOµÄÒ»ÖÖ³£¼ûµÈµç×ÓÌå·Ö×ӵĽṹʽN¡ÔN£»Á½ÕßÏà±È½Ï·Ðµã½Ï¸ßµÄΪCO£¨Ìѧʽ£©£®CN-ÖÐ̼ԭ×ÓÔÓ»¯¹ìµÀÀàÐÍΪsp£¬S¡¢N¡¢OÈýÔªËصĵÚÒ»µçÀëÄÜ×î´óµÄΪN£¨ÓÃÔªËØ·ûºÅ±íʾ£©£®
£¨4£©Ä³MÔ­×ÓµÄÍâΧµç×ÓÅŲ¼Ê½Îª3s23p5£¬Í­ÓëMÐγɻ¯ºÏÎïµÄ¾§°ûÈçͼËùʾ£¨ºÚµã´ú±íÍ­Ô­×Ó£©£®
¢Ù¸Ã¾§ÌåµÄ»¯Ñ§Ê½ÎªCuCl£®
¢ÚÒÑ֪ͭºÍMµÄµç¸ºÐÔ·Ö±ðΪ1.9ºÍ3.0£¬ÔòÍ­ÓëMÐγɵĻ¯ºÏÎïÊôÓÚ¹²¼Û£¨Ìî¡°Àë×Ó¡±¡¢¡°¹²¼Û¡±£©»¯ºÏÎ

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø