ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿I¡¢Ìú¼°Æ仯ºÏÎïÓëÉú²ú¡¢Éú»î¹ØϵÃÜÇС£

(1)ÓÒͼÊÇʵÑéÊÒÑо¿º£Ë®¶ÔÌúÕ¢²»Í¬²¿Î»¸¯Ê´Çé¿öµÄÆÊÃæʾÒâͼ.

¢Ù¸Ãµç»¯¸¯Ê´³ÆΪ___________¡£

¢ÚͼÖÐA¡¢B¡¢C¡¢DËĸöÇøÓò£¬Éú³ÉÌúÐâ×î¶àµÄÊÇ___________ (Ìî×Öĸ)¡£

(2)¼ºÖª£ºFe(s)+O2(g)=FeO(s)H=-272.0kJmol-1

C(s)+O2(g)=CO2(g)£»¡÷H=-393.5kJmol-1

2C(s)+O2(g)=2CO(g)£»¡÷H=-221kJmol-1

Ôò¸ß¯Á¶Ìú¹ý³ÌÖÐFeO(s)+COFe(S)+CO2(g) ¡÷H=____________¡£

II¡¢¼×´¼ÊÇÒ»ÖÖÖØÒªµÄ»¯¹¤Ô­ÁϺÍÐÂÐÍȼÁÏ¡£ÏÂͼÊǼ״¼È¼Áϵç³Ø¹¤×÷µÄʾÒâͼ£¬ÆäÖÐA¡¢B¡¢D¾ùΪʯīµç¼«£¬CΪͭµç¼«£®¹¤×÷Ò»¶Îʱ¼äºó£¬¶Ï¿ªK£¬´ËʱA£¬BÁ½¼«ÉϲúÉúµÄÆøÌåÌå»ýÏàͬ¡£

(1)¼×Öиº¼«µÄµç¼«·´Ó¦Ê½Îª_________________¡£

(2)ÒÒÖÐA¼«Îö³öµÄÆøÌåÔÚ±ê×¼×´¿öϵÄÌå»ýΪ_____________¡£

(3)±û×°ÖÃÈÜÒºÖнðÊôÑôÀë×ÓµÄÎïÖʵÄÁ¿ÓëתÒƵç×ÓµÄÎïÖʵÄÁ¿±ä»¯¹ØϵÓÒͼ£¬ÔòͼÖТÚÏß±íʾµÄÊÇ_____________Àë×ӵı仯£»·´Ó¦½áÊøºó£¬ÒªÊ¹±û×°ÖÃÖнðÊôÑôÀë×ÓÇ¡ºÃÍêÈ«³Áµí£¬ÐèÒª_________________mL 5£®0 molL-1 NaOHÈÜÒº¡£

¡¾´ð°¸¡¿

I.(1)¢ÙÎüÑõ¸¯Ê´£»¢ÚB£»(2)-11KJ¡¤mol-1£»

II.¢ÅCH3OH¨D6e-£«8OH-=CO32-£«6H2O£»¢Æ2.24L£»¢ÇFe2£«£»280£»

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£ºI.(1)¢Ùº£Ë®ÈÜÒº²»ÊǽÏÇ¿ËáÐÔÈÜÒº£¬Ôò¸ÖÌú·¢ÉúÎüÑõ¸¯Ê´£¬¹Ê´ð°¸Îª£ºÎüÑõ¸¯Ê´£»¢Ú¸ÖÌú½Ó´¥¿ÕÆø¡¢Ë®Ê±·¢ÉúµÄÎüÑõ¸¯Ê´µÄ³Ì¶È×î´ó£¬Éú³ÉÌúÐâ×î¶à£¬ËùÒÔBÉú³ÉÌúÐâ×î¶à£¬¹Ê´ð°¸Îª£ºB£»

(2)ÒÑÖª£º¢ÙFe(s)+O2(g)¨TFeO(s)¡÷H=-272kJmol-1£¬

¢ÚC(s)+O2(g)¨TCO2(g)¡÷H=-393.5kJmol-1£¬

¢Û2C(s)+O2(g)¨T2CO(g)¡÷H=-221kJmol-1£¬

¸ù¾Ý¸Ç˹¶¨ÂÉ£¬¢Ú-¢Û¡Á-¢Ù¿ÉµÃ£º

FeO(s)+CO(g)=Fe(s)+CO2(g)£¬Ôò

¡÷H=-393.5kJmol-1-¡Á(-221kJmol-1)-(-272kJmol-1)=-11kJmol-1£¬¹Ê´ð°¸Îª£º-11 kJmol-1£»

¢ò£®(1)¼×´¼È¼Áϵç³ØÊÇÔ­µç³Ø·´Ó¦£¬¼×´¼ÔÚ¸º¼«Ê§µç×Ó·¢ÉúÑõ»¯·´Ó¦£¬µç¼«·´Ó¦Îª£ºCH3OH-6e-+8OH-=CO32-+6H2O£¬¹Ê´ð°¸Îª£ºCH3OH-6e-+8OH-=CO32-+6H2O£»

(2)¹¤×÷Ò»¶Îʱ¼äºó£¬¶Ï¿ªK£¬´ËʱA¡¢BÁ½¼«ÉϲúÉúµÄÆøÌåÌå»ýÏàͬ£¬·ÖÎöµç¼«·´Ó¦£¬BΪÒõ¼«£¬ÈÜÒºÖÐÍ­Àë×ÓÎö³ö£¬ÇâÀë×ӵõ½µç×ÓÉú³ÉÇâÆø£¬ÉèÉú³ÉÆøÌåÎïÖʵÄÁ¿ÎªX£¬ÈÜÒºÖÐÍ­Àë×ÓÎïÖʵÄÁ¿Îª0.1mol£¬µç¼«·´Ó¦Îª£º

Cu2++2e-=Cu£¬

0.1mol 0.2mol

2H++2e-=H2¡ü£¬

2x x

Aµç¼«ÎªÑô¼«£¬ÈÜÒºÖеÄÇâÑõ¸ùÀë×Óʧµç×ÓÉú³ÉÑõÆø£¬µç¼«·´Ó¦Îª£º

4OH--4e-=2H2O+O2¡ü£¬

4x x

¸ù¾ÝµÃʧµç×ÓÊغãµÃµ½0.2+2x=4x£¬x=0.1mol£¬ÒÒÖÐA¼«Îö³öµÄÆøÌåÊÇÑõÆø£¬ÎïÖʵÄÁ¿Îª0.1mol£¬ÔÚ±ê×¼×´¿öϵÄÌå»ýΪ2.24L£¬¹Ê´ð°¸Îª£º2.24L£»

(3)¸ù¾ÝתÒƵç×ÓµÄÎïÖʵÄÁ¿ºÍ½ðÊôÑôÀë×ÓµÄÎïÖʵÄÁ¿µÄ±ä»¯£¬¿ÉÖª£¬Í­Àë×Ó´ÓÎÞÔö¶à£¬ÌúÀë×ÓÎïÖʵÄÁ¿¼õС£¬ÑÇÌúÀë×ÓÔö¼Ó£¬¹Ê¢ÙΪFe3+£¬¢ÚΪFe2+£¬¢ÛΪCu2+£¬ÓÉͼ¿ÉÖªµç×ÓתÒÆΪ0.4mol£¬Éú³ÉCu2+ÎïÖʵÄÁ¿Îª0.2mol£¬Òõ¼«µç¼«·´Ó¦Fe3++e-=Fe2+£¬·´Ó¦½áÊøºó£¬ÈÜÒºÖÐÓÐFe2+Ϊ0.5mol£¬Cu2+Ϊ0.2mol£¬ËùÒÔÐèÒª¼ÓÈëNaOHÈÜÒº0.5¡Á2+0.2¡Á2=1.4mol£¬ËùÒÔËùÐèNaOHÈÜÒºµÄÌå»ýΪ=0.28L=280mL£¬¹Ê´ð°¸Îª£ºFe2+£»280¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø