ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿(12·Ö)ÂÁÊÇÓ¦Óù㷺µÄ½ðÊô¡£ÒÔÂÁÍÁ¿ó(Ö÷Òª³É·ÖΪAl2O3£¬º¬SiO2ºÍFe2O3µÈÔÓÖÊ)ΪÔÁÏÖƱ¸ÂÁµÄÒ»ÖÖ¹¤ÒÕÁ÷³ÌÈçÏÂ:
×¢:SiO2ÔÚ¡°¼îÈÜ¡±Ê±×ª»¯ÎªÂÁ¹èËáÄƳÁµí¡£
£¨1£©¡°¼îÈÜ¡±Ê±Éú³ÉÆ«ÂÁËáÄƵÄÀë×Ó·½³ÌʽΪ_____________________¡£
£¨2£©Ïò¡°¹ýÂË¢ñ¡±ËùµÃÂËÒºÖмÓÈëNaHCO3ÈÜÒº£¬ÈÜÒºµÄpH_________ (Ìî¡°Ôö´ó¡±¡¢¡°²»±ä¡±»ò¡°¼õС¡±)¡£
£¨3£©¡°µç½â¢ñ¡±Êǵç½âÈÛÈÚ Al2O3£¬µç½â¹ý³ÌÖÐ×÷Ñô¼«µÄʯīÒ×ÏûºÄ£¬ÔÒòÊÇ___________¡£
£¨4£©¡°µç½â¢ò¡±Êǵç½âNa2CO3ÈÜÒº£¬ÔÀíÈçͼËùʾ¡£
Ñô¼«µÄµç¼«·´Ó¦Ê½Îª_____________________£¬Òõ¼«²úÉúµÄÎïÖÊAµÄ»¯Ñ§Ê½Îª____________¡£
£¨5£©ÂÁ·ÛÔÚ1000¡æʱ¿ÉÓëN2·´Ó¦ÖƱ¸AlN¡£ÔÚÂÁ·ÛÖÐÌí¼ÓÉÙÁ¿NH4Cl¹ÌÌå²¢³ä·Ö»ìºÏ£¬ÓÐÀûÓÚAlNµÄÖƱ¸£¬ÆäÖ÷ÒªÔÒòÊÇ_____________________¡£
¡¾´ð°¸¡¿
(1)Al2O3+ 2OH-2
+ H2O
(2)¼õС
(3)ʯīµç¼«±»Ñô¼«ÉϲúÉúµÄO2Ñõ»¯
(4)4+ 2H2O£4e-
4
+O2¡ü H2
(5)NH4Cl·Ö½â²úÉúµÄHClÄܹ»ÆÆ»µAl±íÃæµÄAl2O3±¡Ä¤
¡¾½âÎö¡¿
½áºÏÁ÷³Ì¼°ÌâÖÐÐÅÏ¢¿ÉÖª£¬ÂÁÍÁ¿óÔÚ¼îÈÜʱ£¬ÆäÖеÄÑõ»¯ÂÁºÍ¶þÑõ»¯¹è¿ÉÈÜÓÚÇ¿¼îÈÜÒº£¬¹ýÂ˺ó£¬ÂËÒºÖÐÆ«ÂÁËáÄÆÓë̼ËáÇâÄÆ·´Ó¦Éú³ÉÇâÑõ»¯ÂÁ³ÁµíºÍ̼ËáÄÆ£¬ÇâÑõ»¯ÂÁ¾×ÆÉÕºó·Ö½âΪÑõ»¯ÂÁ£¬×îºóµç½âÈÛÈÚµÄÑõ»¯ÂÁµÃµ½ÂÁ¡£Ì¼ËáÄÆÈÜÒº¾µç½âºó¿ÉÒÔÔÙÉú³É̼ËáÇâÄƺÍÇâÑõ»¯ÄƽøÐÐÑ»·ÀûÓá£
£¨1£©Ñõ»¯ÂÁΪÁ½ÐÔÑõ»¯Î¿ÉÈÜÓÚÇ¿¼îÈÜÒºÉú³ÉÆ«ÂÁËáÄƺÍË®£¬Àë×Ó·½³ÌʽΪAl2O3+2OH-=2AlO2-+H2O ¡£
(2ΪÁËÌá¸ßÂÁÍÁ¿óµÄ½þÈ¡ÂÊ£¬ÇâÑõ»¯ÄÆÈÜÒº±ØÐë¹ýÁ¿£¬ËùÒÔ¹ýÂËIËùµÃÂËÒºÖк¬ÓÐÇâÑõ»¯ÄÆ£¬¼ÓÈë̼ËáÇâÄÆÈÜÒººó£¬ÇâÑõ»¯ÄÆÓë̼ËáÇâÄÆ·¢Éú·´Ó¦Éú³É̼ËáÄƺÍË®£¬ËùÒÔÈÜÒºµÄpH¼õС¡£
£¨3£©µç½âI¹ý³ÌÖУ¬Ê¯Ä«Ñô¼«ÉÏÑõÀë×Ó±»Ñõ»¯ÎªÑõÆø£¬ÔÚ¸ßÎÂÏ£¬ÑõÆøÓëʯī·¢Éú·´Ó¦Éú³ÉÆøÌ壬ËùÒÔ£¬Ê¯Ä«µç¼«Ò×ÏûºÄµÄÔÒòÊDZ»Ñô¼«ÉϲúÉúµÄÑõÆøÑõ»¯¡£
£¨4£©ÓÉͼÖÐÐÅÏ¢¿ÉÖª£¬Éú³ÉÑõÆøµÄΪÑô¼«ÊÒ£¬ÈÜÒºÖÐË®µçÀëµÄOH-·ÅµçÉú³ÉÑõÆø£¬ÆÆ»µÁËË®µÄµçÀëƽºâ£¬Ì¼Ëá¸ù½áºÏH+ת»¯ÎªHCO3-£¬ËùÒԵ缫·´Ó¦Ê½Îª4CO32-+2H2O-4e-=4HCO3-+O2¡ü£¬Òõ¼«ÊÒÇâÑõ»¯ÄÆÈÜҺŨ¶È±ä´ó£¬ËµÃ÷Ë®µçÀëµÄH+·ÅµçÉú³ÉÇâÆø¶øÆÆ»µË®µÄµçÀëƽºâÉú³É´ó£¬ËùÒÔÒõ¼«²úÉúµÄÎïÖÊAΪH2 ¡£
(5)ÂÈ»¯ï§·Ö½â²úÉúµÄÂÈ»¯ÇâÄܹ»ÆÆ»µÂÁ±íÃæµÄÑõ»¯ÂÁ±¡Ä¤
![](http://thumb2018.1010pic.com/images/loading.gif)