ÌâÄ¿ÄÚÈÝ
Çëд³ö¸ÖÌúÔÚ¼îÐÔ¡¢³±ÊªµÄ»·¾³Ï·¢Éúµç»¯Ñ§¸¯Ê´Õý¼«µÄµç¼«·´Ó¦Ê½£º
![](http://thumb.1010pic.com/pic3/upload/images/201302/24/f4093c80.png)
¢ò£®Ä³Í¬Ñ§ÀûÓÃCuSO4ÈÜÒº£¬½øÐÐÒÔÏÂʵÑé̽¾¿£®
¢Ùͼ1ÊǸù¾Ý·´Ó¦Zn+CuSO4¨TCu+ZnSO4Éè¼Æ³ÉµÄпÍÔµç³Ø£®Cu¼«µÄµç¼«·´Ó¦Ê½ÊÇ
¢Úͼ2ÖУ¬¢ñÊǼ×ÍéȼÁϵç³Ø£¨µç½âÖÊÈÜҺΪKOHÈÜÒº£©µÄ½á¹¹Ê¾Òâͼ£¬¸ÃͬѧÏëÔÚ¢òÖÐʵÏÖÌúÉ϶ÆÍ£¬Ôòb´¦Í¨ÈëµÄÊÇ
II£®¢Ù¸ÃÔµç³ØÖÐÍ×÷Õý¼«£¬Õý¼«ÉÏÍÀë×ӵõç×Ó·¢Éú»¹Ô·´Ó¦£¬Ôµç³Ø·ÅµçʱÑôÀë×ÓÏòÕý¼«Òƶ¯£»
¢ÚÔÚ¢òÖÐʵÏÖÌúÉ϶ÆÍ£¬ÔòÍ×÷Ñô¼«£¬Ìú×÷Òõ¼«£¬Á¬½ÓÑô¼«µÄÊÇÔµç³ØÕý¼«£¬Õý¼«Éϵõç×Ó·¢Éú»¹Ô·´Ó¦£¬¸º¼«ÉÏʧµç×Ó·¢ÉúÑõ»¯·´Ó¦£¬¸ù¾ÝתÒƵç×ÓÊýÏàµÈ¼ÆËã¼×ÍéµÄÌå»ý£®
¹Ê´ð°¸Îª£ºO2+2H2O+4e-=4OH-£»BD£»
II£®¢Ù¸ù¾Ý·´Ó¦Zn+CuSO4¨TCu+ZnSO4£¬½áºÏͼһ¿ÉÖª£¬ZnΪ¸º¼«£¬CuΪÕý¼«£¬ÍÀë×ÓÔÚCuµç¼«Éϵõç×ÓÎö³öCu£¬µç¼«·´Ó¦Ê½ÎªCu2++2e-¨TCu£¬
ÑÎÇÅÖÐÊǺ¬ÓÐÇí½ºµÄKCl±¥ºÍÈÜÒº£¬µç³Ø¹¤×÷ʱ£¬Cl-Ïò¸º¼«Òƶ¯£¬K+ÏòÕý¼«Òƶ¯£¬ËùÒÔ£¬K+ÏòÒÒ×°ÖÃÒƶ¯£¬
¹Ê´ð°¸Îª£ºCu2++2e-¨TCu£»ÒÒ£»
¢Ú¼×Íé¼îÐÔȼÁϵç³ØΪµçÔ´£¬×ܵ缫·´Ó¦Ê½ÎªCH4+2O2+2KOH=K2CO3+3H2O£¬¸º¼«·¢ÉúÑõ»¯·´Ó¦£¬Õý¼«·¢Éú»¹Ô·´Ó¦£¬µç¶Æʱ£¬¶Æ¼þÌú×÷µç½â³ØµÄÒõ¼«£¬Á¬½Ó¼×ÍéȼÁϵçÔ´µÄ¸º¼«£¬ËùÒÔaӦͨÈëCH4£¬¶Æ²ã½ðÊô×÷µç½â³ØµÄÑô¼«£¬·¢ÉúÑõ»¯·´Ó¦£¬Á¬½Ó¼×ÍéȼÁϵçÔ´µÄÕý¼«£¬ËùÒÔbӦͨÈëO2£®¼×Íé¼îÐÔȼÁϵç³Øa´¦µç¼«ÉÏCH4·Åµç£¬·¢ÉúÑõ»¯·´Ó¦£¬µç¼«·´Ó¦Ê½ÊÇCH4-8e-+10OH-=CO32-+7H2O£¬
¸ù¾Ýµç×ÓתÒÆÊغã8n£¨CH4£©=2n£¨Cu£©=2¡Á
3.2g |
64g/mol |
n£¨CH4£©=
1 |
80 |
1 |
80 |
¹Ê´ð°¸Îª£ºO2£»CH4-8e-+10OH-=CO32-+7H2O£»0.28£®
![](http://thumb2018.1010pic.com/images/loading.gif)
|