ÌâÄ¿ÄÚÈÝ
¾ø´ó²¿·Ö½ðÊôµÄÒ±Á¶¶¼ÊÇͨ¹ýÔÙ¸ßÎÂÏ·¢ÉúµÄÑõ»¯»¹Ô·´Ó¦À´Íê³ÉµÄ£¬ÊµÑéÊÒÀûÓÃÂÁÈÈ·´Ó¦À´Ä£ÄâÕâÖÖÒ±Á¶·½·¨£¬ÊµÑé×°ÖÃÈçͼ£®
£¨1£©ÂÁÈÈ·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
£¨2£©ÃèÊö¡°ÂÁÈÈ·´Ó¦¡±µÄÏÖÏó
£¨3£©ÓеÄͬѧÍƲ⣬ÂÁÈÈ·´Ó¦ËùµÃµ½µÄÉú³ÉÎïÊÇÌúÂÁºÏ½ð£®Éè¼ÆÒ»¸ö¼òµ¥µÄʵÑé·½°¸£¬Ö¤Ã÷ËùµÃµÄÎïÖÊÖк¬ÓнðÊôÂÁ£®¸ÃʵÑéËùÓõÄÊÔ¼ÁÊÇ
£¨1£©ÂÁÈÈ·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
Fe2O3+2Al
2Fe+Al2O3
| ||
Fe2O3+2Al
2Fe+Al2O3
£®
| ||
£¨2£©ÃèÊö¡°ÂÁÈÈ·´Ó¦¡±µÄÏÖÏó
·´Ó¦·Å³ö´óÁ¿µÄÈÈ£¬²¢·¢³öÒ«Ñ۵Ĺ⣬ֽ©¶·µÄϲ¿±»ÉÕ´©£¬ÓÐÈÛÈÚÎïÂäÈëɳÖÐ
·´Ó¦·Å³ö´óÁ¿µÄÈÈ£¬²¢·¢³öÒ«Ñ۵Ĺ⣬ֽ©¶·µÄϲ¿±»ÉÕ´©£¬ÓÐÈÛÈÚÎïÂäÈëɳÖÐ
£®£¨3£©ÓеÄͬѧÍƲ⣬ÂÁÈÈ·´Ó¦ËùµÃµ½µÄÉú³ÉÎïÊÇÌúÂÁºÏ½ð£®Éè¼ÆÒ»¸ö¼òµ¥µÄʵÑé·½°¸£¬Ö¤Ã÷ËùµÃµÄÎïÖÊÖк¬ÓнðÊôÂÁ£®¸ÃʵÑéËùÓõÄÊÔ¼ÁÊÇ
NaOHÈÜÒº
NaOHÈÜÒº
£¬µ±¹Û²ìµ½ÓÐÆøÅÝÉú³É
ÓÐÆøÅÝÉú³É
ÏÖÏóʱ£¬ËµÃ÷Éú³ÉÎïÖк¬ÓнðÊôÂÁ£®·ÖÎö£º£¨1£©Ñõ»¯ÌúºÍÂÁ·ÛÔÚ¸ßÎÂÌõ¼þÏ·¢ÉúÂÁÈÈ·´Ó¦Éú³ÉÌúºÍÑõ»¯ÂÁ£»
£¨2£©·´Ó¦ÔÚ¸ßÎÂÌõ¼þϽøÐУ¬²¢·Å³ö´óÁ¿µÄÈÈ£¬ÓÐÈÛÈÚÎïÉú³É£»
£¨3£©¸ù¾Ý½ðÊôÂÁÄÜÓëNaOHÈÜÒº·´Ó¦Éú³ÉÇâÆøÑ¡ÔñʵÑé·½·¨£®
£¨2£©·´Ó¦ÔÚ¸ßÎÂÌõ¼þϽøÐУ¬²¢·Å³ö´óÁ¿µÄÈÈ£¬ÓÐÈÛÈÚÎïÉú³É£»
£¨3£©¸ù¾Ý½ðÊôÂÁÄÜÓëNaOHÈÜÒº·´Ó¦Éú³ÉÇâÆøÑ¡ÔñʵÑé·½·¨£®
½â´ð£º½â£º£¨1£©Ñõ»¯ÌúºÍÂÁ·ÛÔÚ¸ßÎÂÌõ¼þÏ·¢ÉúÂÁÈÈ·´Ó¦Éú³ÉÌúºÍÑõ»¯ÂÁ£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪFe2O3+2Al
2Fe+Al2O3£¬¹Ê´ð°¸Îª£ºFe2O3+2Al
2Fe+Al2O3£»
£¨2£©·´Ó¦ÔÚ¸ßÎÂÌõ¼þϽøÐУ¬²¢·Å³ö´óÁ¿µÄÈÈ£¬Ã¾ÌõȼÉÕʱ·¢³öÒ«Ñ۵İ׹⣬ÓÐÈÛÈÚÎïÉú³É£¬
¹Ê´ð°¸Îª£º·´Ó¦·Å³ö´óÁ¿µÄÈÈ£¬²¢·¢³öÒ«Ñ۵Ĺ⣬ֽ©¶·µÄϲ¿±»ÉÕ´©£¬ÓÐÈÛÈÚÎïÂäÈëɳÖУ»
£¨3£©½ðÊôÂÁÄÜÓëNaOHÈÜÒº·´Ó¦Éú³ÉÇâÆø£¬ËùÒÔÖ¤Ã÷ËùµÃµÄÎïÖÊÖк¬ÓнðÊôÂÁ¿ÉÑ¡ÓÃNaOHÈÜÒº£¬ÈçÓÐÆøÅÝÉú³É£¬Ôò˵Ã÷ΪÌúÂÁºÏ½ð£¬¹Ê´ð°¸Îª£ºNaOHÈÜÒº£»ÓÐÆøÅÝÉú³É£®
| ||
| ||
£¨2£©·´Ó¦ÔÚ¸ßÎÂÌõ¼þϽøÐУ¬²¢·Å³ö´óÁ¿µÄÈÈ£¬Ã¾ÌõȼÉÕʱ·¢³öÒ«Ñ۵İ׹⣬ÓÐÈÛÈÚÎïÉú³É£¬
¹Ê´ð°¸Îª£º·´Ó¦·Å³ö´óÁ¿µÄÈÈ£¬²¢·¢³öÒ«Ñ۵Ĺ⣬ֽ©¶·µÄϲ¿±»ÉÕ´©£¬ÓÐÈÛÈÚÎïÂäÈëɳÖУ»
£¨3£©½ðÊôÂÁÄÜÓëNaOHÈÜÒº·´Ó¦Éú³ÉÇâÆø£¬ËùÒÔÖ¤Ã÷ËùµÃµÄÎïÖÊÖк¬ÓнðÊôÂÁ¿ÉÑ¡ÓÃNaOHÈÜÒº£¬ÈçÓÐÆøÅÝÉú³É£¬Ôò˵Ã÷ΪÌúÂÁºÏ½ð£¬¹Ê´ð°¸Îª£ºNaOHÈÜÒº£»ÓÐÆøÅÝÉú³É£®
µãÆÀ£º±¾Ì⿼²éÂÁÈÈ·´Ó¦£¬ÌâÄ¿ÄѶȲ»´ó£¬×¢ÒâÂÁÈÈ·´Ó¦µÄÔÀíºÍʵÑé²Ù×÷·½·¨ÒÔ¼°·´Ó¦ÏÖÏó£¬Ñ§Ï°ÖÐ×¢ÒâÏà¹Ø»ù´¡ÖªÊ¶µÄ»ýÀÛ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿