£¨1£© ÄÉÃ×¼¶Cu2OÓÉÓÚ¾ßÓÐÓÅÁ¼µÄ´ß»¯ÐÔÄܶøÊܵ½¹Ø×¢¡£ÒÑÖª£º

2Cu(s)+O2(g) ="==" Cu2O(s)   ¦¤H=£­169kJ¡¤mol-1£¬

C(s)+ O2(g) ="==" CO(g)     ¦¤H=£­110.5kJ¡¤mol-1£¬

2Cu(s)+ O2(g)===2   CuO(s)   ¦¤H=£­314kJ¡¤mol-1

Ôò¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ

                                                                            ¡£

£¨2£©Ä³ÐËȤС×éµÄͬѧÓÃÏÂͼËùʾװÖÃÑо¿Óйص绯ѧµÄÎÊÌâ(¼×¡¢ÒÒ¡¢±ûÈý³ØÖÐÈÜÖÊ×ãÁ¿)£¬µ±±ÕºÏ¸Ã×°Öõĵç¼üKʱ£¬¹Û²ìµ½µçÁ÷¼ÆµÄÖ¸Õë·¢ÉúÁËƫת¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©¼×³ØΪ    (Ìî¡°Ô­µç³Ø¡±¡¢¡°µç½â³Ø¡±»ò ¡°µç¶Æ³Ø¡±)£¬Aµç¼«µÄµç¼«·´Ó¦Ê½Îª           ¡£

£¨2£©±û³ØÖÐFµç¼«Îª        (Ìî¡°Õý¼«¡±¡¢¡°¸º¼«¡±¡¢¡°Òõ¼«¡±»ò¡°Ñô¼«¡±)£¬¸Ã³ØµÄ×Ü·´Ó¦·½³ÌʽΪ                                               ¡£

£¨3£©µ±³ØÖÐC¼«ÖÊÁ¿¼õÇá10.8 gʱ£¬¼×³ØÖÐBµç¼«ÀíÂÛÉÏÏûºÄO2µÄÌå»ýΪ   mL(±ê×¼×´¿ö)¡£

£¨4£©Ò»¶Îʱ¼äºó£¬¶Ï¿ªµç¼üK£¬ÏÂÁÐÎïÖÊÄÜʹÒҳػָ´µ½·´Ó¦Ç°Å¨¶ÈµÄÊÇ    (ÌîÑ¡Ïî×Öĸ)¡£

A£®Cu               B£®CuO              C£®Cu(OH)2           D£®Cu2(OH)2CO3

 

¡¾´ð°¸¡¿

£¨1£©C(s) + 2CuO (s)= Cu2O(s) + CO(g) H =+34.5kJ¡¤mol.-1£¨3·Ö£©

£¨2£©¢ÙÔ­µç³Ø £¨1·Ö£©  CH3OH + 8OH£­£­6e£­ = CO32£­+ 6H2O£¨2·Ö£©

¢ÚÒõ¼«£¨1·Ö£©  2CuSO4+ 2H2O  2H2SO4 + 2Cu + O2¡ü£¨2·Ö£©

¢Û560£¨2·Ö£©

¢ÜA£¨2·Ö£©

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£º£¨1£©¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ

C(s) + 2CuO (s)= Cu2O(s) + CO(g) H =a£¬H µÄ¼ÆËãÈçÏ£¬C(s)+ O2(g) ="==" CO(g) ¼õÈ¥2Cu(s)+ O2(g)===2   CuO(s) ÔÙ¼ÓÉÏ2Cu(s)+O2(g) ="==" Cu2O(s) ¿ÉÒԵõ½C(s) + 2CuO (s)= Cu2O(s) + CO(g) £¬ËùÒÔH =-110.5+314-169=+34.5kJ¡¤mol.-1£¬ËùÒÔ¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ

C(s) + 2CuO (s)= Cu2O(s) + CO(g) H =+34.5kJ¡¤mol.-1£»

£¨1£©ÓÉͼ¿ÉÒÔÖªµÀ£¬¼×³ØΪԭµç³Ø£¬Aµç¼«Îª¸º¼«£¬¸Ãµç¼«·´Ó¦Ê½ÎªCH3OH + 8OH£­£­6e£­ = CO32£­+ 6H2O£»£¨2£©±û³ØÖÐFµç¼«Óëµç³ØµÄ¸º¼«Á¬½Ó£¬ËùÒÔFµç¼«ÎªÒõ¼«£¬±ûµç³ØΪµç½â³Ø£¬¸Ãµç³ØµÄ×ܵķ´Ó¦Ê½Îª2CuSO4+ 2H2O  2H2SO4 + 2Cu + O2¡ü£»£¨3£©C¼«ÖУ¬AgÈܽ⣬ËùÒÔµ±³ØÖÐC¼«ÖÊÁ¿¼õÇá10.8 gʱ£¬¼´Í¨¹ýµÄµç×ÓÊýΪ10.8/108=0.1mol£¬ËùÒÔBµç¼«ÀíÂÛÉÏÏûºÄO2µÄÌå»ý=0.1/4¡Á22.4¡Á1000=560mL£»£¨4£©Ò»¶Îʱ¼äºó£¬¶Ï¿ªµç¼üK£¬ÒÒ³ØÔÚµç½âµÄ¹ý³ÌÖÐÒýÈëÁËÒøÀë×Ó£¬ÓÐÒ»²¿·ÖÍ­Àë×ÓÔڵ缫ÉÏÎö³ö£¬ËùÒÔ¼ÓÈëCu¿ÉÒÔ»Ö¸´µ½Ô­À´µÄŨ¶È£¬¹Ê±¾ÌâµÄ´ð°¸Ñ¡ÔñA¡£

¿¼µã£ºÈÈ»¯Ñ§·½³ÌʽµÄÊéд¡¢Ô­µç³Ø¡¢µç½â³Ø

µãÆÀ£º±¾Ì⿼²éÁËÈÈ»¯Ñ§·½³ÌʽµÄÊéд¡¢Ô­µç³Ø¡¢µç½â³Ø£¬ÕâЩ¿¼µãÊǸ߿¼¿¼²éµÄÖصãºÍÄѵ㣬±¾ÌâÓÐÒ»¶¨µÄ×ÛºÏÐÔ£¬ÄѶÈÊÊÖС£

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£©ÄÉÃ×¼¶Cu2OÓÉÓÚ¾ßÓÐÓÅÁ¼µÄ´ß»¯ÐÔÄܶøÊܵ½¹Ø×¢£®ÒÑÖª£º
2Cu£¨s£©+
1
2
O2£¨g£©¨TCu2O£¨s£©¡÷H=-169kJ?mol-1£¬
C£¨s£©+
1
2
O2£¨g£©¨TCO£¨g£©¡÷H=-110.5kJ?mol-1£¬
2Cu£¨s£©+O2£¨g£©¨TCuO£¨s£©¡÷H=-314kJ?mol-1
Ôò¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ
C£¨s£©+2CuO£¨s£©=CuO£¨s£©+CO£¨g£©¡÷H=+34.5kJ?mol-1
C£¨s£©+2CuO£¨s£©=CuO£¨s£©+CO£¨g£©¡÷H=+34.5kJ?mol-1
£®
£¨2£©Ä³ÐËȤС×éµÄͬѧÓÃÈçͼËùʾװÖÃÑо¿Óйص绯ѧµÄÎÊÌ⣨¼×¡¢ÒÒ¡¢±ûÈý³ØÖÐÈÜÖÊ×ãÁ¿£©£¬µ±±ÕºÏ¸Ã×°Öõĵç¼üKʱ£¬¹Û²ìµ½µçÁ÷¼ÆµÄÖ¸Õë·¢ÉúÁËƫת£®

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼×³ØΪ
Ô­µç³Ø
Ô­µç³Ø
£¨Ìî¡°Ô­µç³Ø¡±¡¢¡°µç½â³Ø¡±»ò¡°µç¶Æ³Ø¡±£©£¬Aµç¼«µÄµç¼«·´Ó¦Ê½Îª
CH3OH+8OH--6e-=CO32-+6H2O
CH3OH+8OH--6e-=CO32-+6H2O
£®
£¨2£©±û³ØÖÐFµç¼«Îª
Òõ¼«
Òõ¼«
 £¨Ìî¡°Õý¼«¡±¡¢¡°¸º¼«¡±¡¢¡°Òõ¼«¡±»ò¡°Ñô¼«¡±£©£¬¸Ã³ØµÄ×Ü·´Ó¦·½³ÌʽΪ
2CuSO4+2H2O
 Í¨µç 
.
 
2H2SO4+2Cu+O2¡ü
2CuSO4+2H2O
 Í¨µç 
.
 
2H2SO4+2Cu+O2¡ü
£®
£¨3£©µ±³ØÖÐC¼«ÖÊÁ¿¼õÇá10.8gʱ£¬¼×³ØÖÐBµç¼«ÀíÂÛÉÏÏûºÄO2µÄÌå»ýΪ
560
560
mL£¨±ê×¼×´¿ö£©£®
£¨4£©Ò»¶Îʱ¼äºó£¬¶Ï¿ªµç¼üK£¬ÏÂÁÐÎïÖÊÄÜʹÒҳػָ´µ½·´Ó¦Ç°Å¨¶ÈµÄÊÇ
A
A
£¨ÌîÑ¡Ïî×Öĸ£©£®
A£®Cu        B£®CuO      C£®Cu£¨OH£©2      D£®Cu2£¨OH£©2CO3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2012-2013ѧÄêɽ¶«À³ÎßÊеÚÒ»ÖÐѧ¸ß¶þÉÏѧÆÚÆÚÄ©¿¼ÊÔ»¯Ñ§ÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨1£© ÄÉÃ×¼¶Cu2OÓÉÓÚ¾ßÓÐÓÅÁ¼µÄ´ß»¯ÐÔÄܶøÊܵ½¹Ø×¢¡£ÒÑÖª£º
2Cu(s)+O2(g) ="==" Cu2O(s)   ¦¤H=£­169kJ¡¤mol-1£¬
C(s)+ O2(g) ="==" CO(g)     ¦¤H=£­110.5kJ¡¤mol-1£¬
2Cu(s)+ O2(g)===2   CuO(s)   ¦¤H=£­314kJ¡¤mol-1
Ôò¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ
                                                                            ¡£
£¨2£©Ä³ÐËȤС×éµÄͬѧÓÃÏÂͼËùʾװÖÃÑо¿Óйص绯ѧµÄÎÊÌâ(¼×¡¢ÒÒ¡¢±ûÈý³ØÖÐÈÜÖÊ×ãÁ¿)£¬µ±±ÕºÏ¸Ã×°Öõĵç¼üKʱ£¬¹Û²ìµ½µçÁ÷¼ÆµÄÖ¸Õë·¢ÉúÁËƫת¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼×³ØΪ    (Ìî¡°Ô­µç³Ø¡±¡¢¡°µç½â³Ø¡±»ò ¡°µç¶Æ³Ø¡±)£¬Aµç¼«µÄµç¼«·´Ó¦Ê½Îª           ¡£
£¨2£©±û³ØÖÐFµç¼«Îª        (Ìî¡°Õý¼«¡±¡¢¡°¸º¼«¡±¡¢¡°Òõ¼«¡±»ò¡°Ñô¼«¡±)£¬¸Ã³ØµÄ×Ü·´Ó¦·½³ÌʽΪ                                               ¡£
£¨3£©µ±³ØÖÐC¼«ÖÊÁ¿¼õÇá10.8 gʱ£¬¼×³ØÖÐBµç¼«ÀíÂÛÉÏÏûºÄO2µÄÌå»ýΪ   mL(±ê×¼×´¿ö)¡£
£¨4£©Ò»¶Îʱ¼äºó£¬¶Ï¿ªµç¼üK£¬ÏÂÁÐÎïÖÊÄÜʹÒҳػָ´µ½·´Ó¦Ç°Å¨¶ÈµÄÊÇ    (ÌîÑ¡Ïî×Öĸ)¡£

A£®CuB£®CuO C£®Cu(OH)2D£®Cu2(OH)2CO3

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄêÕã½­Ê¡ÕÐÉú·ÂÕæ¾íÀí¿Æ×ۺϻ¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨15·Ö£©ÄÉÃ×¼¶Cu2 O ·ÛÄ©,ÓÉÓÚÁ¿×ӳߴçЧӦ,Æä¾ßÓÐÌØÊâµÄ¹âѧ¡¢µçѧ¼°¹âµç»¯Ñ§ÐÔÖÊ,ÔÚÌ«Ñôµç³Ø¡¢´«¸ÐÆ÷¡¢³¬µ¼Ìå¡¢ÖÆÇâºÍµçÖ±äÉ«¡¢»·¾³Öд¦ÀíÓлúÎÛȾÎïµÈ·½ÃæÓÐ×ÅDZÔÚµÄÓ¦Óá£

¢ñ£®ÄÉÃ×Ñõ»¯ÑÇÍ­µÄÖƱ¸

£¨1£©ËÄÖÖÖÆÈ¡Cu2OµÄ·½·¨ÈçÏ£º

¢Ù»ð·¨»¹Ô­¡£ÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuO£»

¢Ú×îÐÂʵÑéÑо¿ÓÃ루N2H4£©»¹Ô­ÐÂÖÆCu(OH)2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2¡£

ÒÑÖª£ºN2H4(l)+O2(g)N2(g)+2H2O(l)    ¡÷H=-a kJ/mol

Cu(OH)2(s)CuO(s)+H2O(l)   ¡÷H=b kJ/mol

4CuO(s)2Cu2O(s)+O2(g)       ¡÷H=c kJ/mol

Ôò¸Ã·½·¨ÖƱ¸Cu2OµÄÈÈ»¯Ñ§·½³ÌʽΪ                                              ¡£

¢Û¹¤ÒµÖÐÖ÷Òª²ÉÓõç½â·¨£ºÓÃÍ­ºÍîÑ×÷µç¼«£¬µç½âÂÈ»¯ÄƺÍÇâÑõ»¯ÄƵĻìºÏÈÜÒº£¬µç½â×Ü·½³ÌʽΪ£º2Cu+H2OCu2O+H2¡ü£¬ÔòÑô¼«·´Ó¦Ê½Îª£º                                ¡£

¢Ü»¹¿É²ÉÓÃNa2SO3»¹Ô­CuSO4·¨£º½«Na2SO3 ºÍCuSO4¼ÓÈëÈܽâ²ÛÖУ¬ÖƳÉÒ»¶¨Å¨¶ÈµÄÈÜÒº£¬Í¨ÈëÕôÆø¼ÓÈÈ£¬ÓÚ100¡æ~104¡æ¼ä·´Ó¦¼´¿ÉÖƵá£Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º                ¡£

¢ò£®ÄÉÃ×Ñõ»¯ÑÇÍ­µÄÓ¦ÓÃ

£¨2£©ÓÃÖƵõÄCu2O½øÐд߻¯·Ö½âË®µÄʵÑé

¢ÙÒ»¶¨Î¶ÈÏ£¬ÔÚ2 LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë10. 0 molË®ÕôÆø£¬·¢Éú·´Ó¦£º

2H2O(g) 2H2(g)£«O2(g)  ¡÷H£½£«484 kJ¡¤mol£­1

T1ζÈϲ»Í¬Ê±¶Î²úÉúO2µÄÁ¿¼ûÏÂ±í£º

ʱ¼ä/min

20

40

60

80

n(O2)/mol

1.0

1.6

2.0

2.0

Ç°20 minµÄ·´Ó¦ËÙÂÊ v(H2O)£½                        £»¸Ã¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£ÊýµÄ±í´ïʽK£½              £»ÈôT2ζÈÏÂK£½0.4£¬T1          T2£¨Ìî>¡¢<¡¢=£©

¢ÚÓÒͼ±íʾÔÚt1ʱ¿Ì´ïµ½Æ½ºâºó£¬Ö»¸Ä±äÒ»¸öÌõ¼þÓִﵽƽºâµÄ²»Í¬Ê±¶ÎÄÚ£¬H2µÄŨ¶ÈËæʱ¼ä±ä»¯µÄÇé¿ö£¬Ôòt1ʱƽºâµÄÒƶ¯·½ÏòΪ       £¬t2ʱ¸Ä±äµÄÌõ¼þ¿ÉÄÜΪ               £»ÈôÒÔK1¡¢K2¡¢K3·Ö±ð±íʾt1ʱ¿ÌÆð¸Ä±äÌõ¼þµÄÈý¸öʱ¼ä¶ÎÄÚµÄƽºâ³£Êý£¬t3ʱ¿ÌûÓмÓÈë»ò¼õÉÙÌåϵÖеÄÈκÎÎïÖÊ£¬ÔòK1¡¢K2¡¢K3µÄ¹ØϵΪ                 £»

¢ÛÓÃÒÔÉÏËÄÖÖ·½·¨ÖƵõÄCu2OÔÚÆäËüÌõ¼þÏàͬÏ·ֱð¶ÔË®´ß»¯·Ö½â£¬²úÉúÇâÆøµÄËÙÂÊvËæʱ¼ät±ä»¯ÈçͼËùʾ¡£ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ           ¡£

A£®·½·¨¢Û¡¢¢ÜÖƵõÄCu2O´ß»¯Ð§ÂÊÏà¶Ô½Ï¸ß

B£®·½·¨¢ÜÖƵõÄCu2O×÷´ß»¯¼Áʱ£¬Ë®µÄƽºâת»¯ÂÊ×î¸ß

C£®´ß»¯Ð§¹ûÓëCu2O¿ÅÁ£µÄ´Öϸ¡¢±íÃæ»îÐÔµÈÓÐ

D£®Cu2O´ß»¯Ë®·Ö½âʱ£¬ÐèÒªÊÊÒ˵ÄζÈ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£© ÄÉÃ×¼¶Cu2OÓÉÓÚ¾ßÓÐÓÅÁ¼µÄ´ß»¯ÐÔÄܶøÊܵ½¹Ø×¢¡£ÒÑÖª£º

2Cu(s)+O2(g) === Cu2O(s)   ¦¤H=£­169kJ¡¤mol-1£¬

C(s)+ O2(g) === CO(g)     ¦¤H=£­110.5kJ¡¤mol-1£¬

2Cu(s)+ O2(g)=== CuO(s)    ¦¤H=£­314kJ¡¤mol-1

Ôò¹¤ÒµÉÏÓÃÌ¿·ÛÔÚ¸ßÎÂÌõ¼þÏ»¹Ô­CuOÖÆÈ¡Cu2OºÍCOµÄÈÈ»¯Ñ§·½³ÌʽΪ

                                                                             ¡£                               

£¨2£©Ä³ÐËȤС×éµÄͬѧÓÃÏÂͼËùʾװÖÃÑо¿Óйص绯ѧµÄÎÊÌâ(¼×¡¢ÒÒ¡¢±ûÈý³ØÖÐÈÜÖÊ×ãÁ¿)£¬µ±±ÕºÏ¸Ã×°Öõĵç¼üKʱ£¬¹Û²ìµ½µçÁ÷¼ÆµÄÖ¸Õë·¢ÉúÁËƫת¡£

 


 

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©¼×³ØΪ     (Ìî¡°Ô­µç³Ø¡±¡¢¡°µç½â³Ø¡±»ò ¡°µç¶Æ³Ø¡±)£¬Aµç¼«µÄµç¼«·´Ó¦Ê½Îª            ¡£

£¨2£©±û³ØÖÐFµç¼«Îª         (Ìî¡°Õý¼«¡±¡¢¡°¸º¼«¡±¡¢¡°Òõ¼«¡±»ò¡°Ñô¼«¡±)£¬¸Ã³ØµÄ×Ü·´Ó¦·½³ÌʽΪ     

                                           ¡£

£¨3£©µ±³ØÖÐC¼«ÖÊÁ¿¼õÇá10.8 gʱ£¬¼×³ØÖÐBµç¼«ÀíÂÛÉÏÏûºÄO2µÄÌå»ýΪ    mL(±ê×¼×´¿ö)¡£

£¨4£©Ò»¶Îʱ¼äºó£¬¶Ï¿ªµç¼üK£¬ÏÂÁÐÎïÖÊÄÜʹÒҳػָ´µ½·´Ó¦Ç°Å¨¶ÈµÄÊÇ     (ÌîÑ¡Ïî×Öĸ)¡£

      A£®Cu        B£®CuO      C£®Cu(OH)2      D£®Cu2(OH)2CO3

  

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸