ÌâÄ¿ÄÚÈÝ

£¨2013?°ÍÖУ©»¯Ñ§ÐËȤС×éµÄͬѧÉè¼ÆÁËÓÃÒ»Ñõ»¯Ì¼ÆøÌ廹ԭÑõÆøÌúµÄʵÑé×°Öã¬ÈçͼËùʾ£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÎªÁ˱ÜÃâ²£Á§¹ÜaÔÚ¼ÓÈÈʱ¿ÉÄÜ·¢Éú±¬Õ¨£¬¼ÓÈÈÇ°Ó¦
ÏÈͨһÑõ»¯Ì¼Åž¡²£Á§¹ÜÄÚ¿ÕÆø
ÏÈͨһÑõ»¯Ì¼Åž¡²£Á§¹ÜÄÚ¿ÕÆø
£®
£¨2£©a¹ÜÖÐFe2O3·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
3CO+Fe2O3
 ¸ßΠ
.
 
2Fe+3CO2
3CO+Fe2O3
 ¸ßΠ
.
 
2Fe+3CO2
£®   
£¨3£©B×°ÖóýÁËÎüÊÕCO2ÆøÌåÍ⣬»¹
¿ÉÊÕ¼¯´¿¾»µÄÒ»Ñõ»¯Ì¼£¬·ÀÖ¹Ò»Ñõ»¯Ì¼ÒݳöÎÛȾ¿ÕÆø
¿ÉÊÕ¼¯´¿¾»µÄÒ»Ñõ»¯Ì¼£¬·ÀÖ¹Ò»Ñõ»¯Ì¼ÒݳöÎÛȾ¿ÕÆø
£®Ð´³öB×°ÖÃÖÐNaOH·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ
CO2+2NaOH¨TNa2CO3+H2O
CO2+2NaOH¨TNa2CO3+H2O
£®
£¨4£©Èôa¹ÜÖÐÑõ»¯ÌúÈ«²¿»¹Ô­³ÉÌú£¬ÀäÈ´ºó³ÆÁ¿ÌúµÄÖÊÁ¿±È·´Ó¦Ç°Ñõ»¯ÌúµÄÖÊÁ¿¼õÉÙÁË2.4g£¬Ôò¼ÓÈëa¹ÜÖеÄÑõ»¯ÌúµÄÖÊÁ¿ÊÇ
8
8
g£®
·ÖÎö£º£¨1£©¸ù¾ÝÒ»Ñõ»¯Ì¼¾ßÓпÉȼÐÔ£¬Óë¿ÕÆø»ìºÏ£¬¼ÓÈÈ¿ÉÄܻᷢÉú±¬Õ¨½øÐзÖÎö£»
£¨2£©Ò»Ñõ»¯Ì¼ÔÚ¸ßÎÂÏÂÓëÑõ»¯Ìú·´Ó¦Éú³ÉÌúºÍ¶þÑõ»¯Ì¼£¬¾Ý´ËÊéд·½³Ìʽ£»
£¨3£©¸ù¾ÝÇâÑõ»¯ÄƵÄÐÔÖÊ£¬×°ÖÃCÖеÄÇâÑõ»¯ÄÆÈÜÒº¿ÉÒÔ°ÑβÆøÖеĶþÑõ»¯Ì¼È«²¿³ýÈ¥£¬Í¬Ê±°ÑÊ£ÓàµÄÒ»Ñõ»¯Ì¼ÆøÌåÊÕ¼¯£¬ÒÔ·ÀÖ¹Ò»Ñõ»¯Ì¼Åųö¶øÎÛȾ¿ÕÆø£¬²¢¾Ý·´Ó¦Ô­ÀíÊéд·½³Ìʽ£»
£¨4£©Ò»Ñõ»¯Ì¼»¹Ô­Ñõ»¯Ìú·´Ó¦ºó¹ÌÌåÖÊÁ¿¼õÉÙµÄÖÊÁ¿¼´ÎªÑõ»¯ÌúÖÐÑõÔªËصÄÖÊÁ¿£¬ÀûÓÃÑõ»¯ÌúÖÐÌúÓëÑõÔªËصÄÖÊÁ¿¹Øϵ£¬ÓÉÑõÔªËصÄÖÊÁ¿¼ÆËã³öÉú³ÉÌúµÄÖÊÁ¿£¬²¢½ø¶ø¼ÆËãÑõ»¯ÌúµÄÖÊÁ¿»òͨ¹ýÑõ»¯ÌúÖÐÑõÔªËصÄÖÊÁ¿·ÖÊý¼ÆË㣮
½â´ð£º½â£º£¨1£©Ò»Ñõ»¯Ì¼¾ßÓпÉȼÐÔ£¬Óë¿ÕÆø»ìºÏ£¬¼ÓÈÈ¿ÉÄܻᷢÉú±¬Õ¨£¬ËùÒÔÔÚ¼ÓÈÈÇ°ÒªÏÈͨһÑõ»¯Ì¼Åž¡²£Á§¹ÜÄÚ¿ÕÆø·ÀÖ¹Ò»Ñõ»¯Ì¼²»´¿·¢Éú±¬Õ¨£»
£¨2£©ÔÚ¸ßÎÂÌõ¼þÏ£¬Ò»Ñõ»¯Ì¼ÓëÑõ»¯Ìú·´Ó¦Éú³ÉÌúºÍ¶þÑõ»¯Ì¼£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ3CO+Fe2O3
 ¸ßΠ
.
 
2Fe+3CO2£»
£¨3£©×°ÖÃCÄÚÊ¢ÓÐÇâÑõ»¯ÄÆÈÜÒº¿ÉÒÔ³ýȥβÆøÖеĶþÑõ»¯Ì¼£¬Í¬Ê±Ò»Ñõ»¯Ì¼ÆøÌåÅųö×°ÖÃÄÚµÄÈÜÒº¶ø±»ÊÕ¼¯£¬·ÀÖ¹Ôì³É¿ÕÆøÎÛȾ£»¶þÑõ»¯Ì¼ÓëÇâÑõ»¯ÄÆÈÜÒº·´Ó¦Éú³É̼ËáÄƺÍË®£¬·½³ÌʽÊÇ£ºCO2+2NaOH¨TNa2CO3+H2O£»
£¨4£©Ñõ»¯ÌúFe2O3ÖÐFeÓëOÔªËصÄÖÊÁ¿±È=£¨56¡Á2£©£º£¨16¡Á3£©=7£º3£¬Òò´Ë£¬Ñõ»¯ÌúÖÐÑõÔªËØÖÊÁ¿Îª2.4gʱ£¬ÌúÔªËصÄÖÊÁ¿=2.4g¡Á
7
3
=5.6g£¬ÔòÑõ»¯ÌúµÄÖÊÁ¿Îª£º2.4g+5.6g=8g£»
¹Ê´ð°¸Îª£º£¨1£©ÏÈͨһÑõ»¯Ì¼Åž¡²£Á§¹ÜÄÚ¿ÕÆø£»
£¨2£©3CO+Fe2O3
 ¸ßΠ
.
 
2Fe+3CO2£»
£¨3£©¿ÉÊÕ¼¯´¿¾»µÄÒ»Ñõ»¯Ì¼£¬·ÀÖ¹Ò»Ñõ»¯Ì¼ÒݳöÎÛȾ¿ÕÆø£»CO2+2NaOH¨TNa2CO3+H2O£»
£¨4£©8£®
µãÆÀ£ºÔËÓöÔÒ»Ñõ»¯Ì¼»¹Ô­Ñõ»¯Ìú·´Ó¦²Ù×÷µÄÀí½â£¬Íƶϸ÷×°ÖõÄ×÷Ó㬲¢ÄܽøÐмòµ¥µÄ·ÖÎöºÍ¼ÆË㣬Êǽâ´ðÀàËÆÎÊÌâµÄÒ»°ã·½·¨£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø