CuµÄ»¯ºÏÎïÔÚÉú»î¼°¿ÆÑÐÖÐÓÐÖØÒª×÷Ó㬲»Í¬·´Ó¦¿ÉÖƵò»Í¬×´Ì¬µÄCu2O

£¨1£©¿ÆѧÑо¿·¢ÏÖÄÉÃ×¼¶µÄCu2O¿É×÷Ϊ̫Ñô¹â·Ö½âË®µÄ´ß»¯¼Á¡£

¢ÙÔÚ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2¡£µ±ÊÕ¼¯µÄN2Ìå»ýΪ3.36L£¨ÒÑ»»ËãΪ±ê×¼×´¿ö£©Ê±£¬¿ÉÖƱ¸ÄÉÃ×¼¶Cu2OµÄÖÊÁ¿Îª         £»

¢ÚÒ»¶¨Î¶ÈÏ£¬ÔÚ2 LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë0.20 molË®ÕôÆø£¬·¢Éú·´Ó¦£º

   £»²âµÃ20 minʱO2µÄÎïÖʵÄÁ¿Îª0.0016 mol£¬ÔòÇ°20 minµÄ·´Ó¦ËÙÂÊv£¨H2O£©=                  £»¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£Êý±í´ïʽK=                  £»ÏÂͼ±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                 £»

£¨2£©ÒÑÖª£º¦¤H£½£­293kJ¡¤mol£­1           

¦¤H£½£­221kJ¡¤mol£­1

     Çëд³öÓÃ×ãÁ¿Ì¿·Û»¹Ô­CuO£¨s£©ÖƱ¸Cu2O£¨s£©µÄÈÈ»¯Ñ§·½³Ìʽ         £»

£¨3£©Óõç½â·¨Ò²¿ÉÖƱ¸Cu2O¡£Ô­ÀíÈçÓÒÉÏͼËùʾ£¬ÔòÑô¼«µç¼«·´Ó¦¿ÉÒÔ±íʾΪ         ¡£

 

¡¾´ð°¸¡¿

¡¾½âÎö¡¿ÂÔ

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2011?ÇൺģÄ⣩CuµÄ»¯ºÏÎïÔÚÉú»î¼°¿ÆÑÐÖÐÓÐÖØÒª×÷Ó㬲»Í¬·´Ó¦¿ÉÖƵò»Í¬×´Ì¬µÄCu2O
£¨1£©¿ÆѧÑо¿·¢ÏÖÄÉÃ×¼¶µÄCu2O¿É×÷Ϊ̫Ñô¹â·Ö½âË®µÄ´ß»¯¼Á£®
¢ÙÔÚ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2£®µ±ÊÕ¼¯µÄN2Ìå»ýΪ3.36L£¨ÒÑ»»ËãΪ±ê×¼×´¿ö£©Ê±£¬¿ÉÖƱ¸ÄÉÃ×¼¶Cu2OµÄÖÊÁ¿Îª
43.2g
43.2g
£»
¢ÚÒ»¶¨Î¶ÈÏ£¬ÔÚ2LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë0.20molË®ÕôÆø£¬·¢Éú·´Ó¦£º
2H2O£¨g£©2H2£¨g£©+O2£¨g£©¡÷H=+484kJ?mol-1£»²âµÃ20minʱO2µÄÎïÖʵÄÁ¿Îª0.0016mol£¬ÔòÇ°20minµÄ·´Ó¦ËÙÂÊv£¨H2O£©=
8¡Á10-5mol/£¨L?min£©
8¡Á10-5mol/£¨L?min£©
£»¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£Êý±í´ïʽK=
c2(H2)?c(O2)
c2(H2O)
c2(H2)?c(O2)
c2(H2O)
£»ÏÂͼ±íʾÔÚt1ʱ¿Ì´ïµ½Æ½ºâºó£¬Ö»¸Ä±äÒ»¸öÌõ¼þÓִﵽƽºâµÄ²»Í¬Ê±¶ÎÄÚ£¬H2µÄŨ¶ÈËæʱ¼ä±ä»¯µÄÇé¿ö£¬Ôòt1ʱƽºâµÄÒƶ¯·½ÏòΪ
ÄæÏò
ÄæÏò
£¬t2ʱ¸Ä±äµÄÌõ¼þ¿ÉÄÜΪ
Ôö´óѹǿ»òÔö´óH2Ũ¶È
Ôö´óѹǿ»òÔö´óH2Ũ¶È
£»ÈôÒÔK1¡¢K2¡¢K3·Ö±ð±íʾt1ʱ¿ÌÆð¸Ä±äÌõ¼þµÄÈý¸öʱ¼ä¶ÎÄÚµÄƽºâ³£Êý£¬t3ʱ¿ÌûÓмÓÈë»ò¼õÉÙÌåϵÖеÄÈκÎÎïÖÊ£¬ÔòK1¡¢K2¡¢K3µÄ¹ØϵΪ
K1=K2£¼K3
K1=K2£¼K3
£»
£¨2£©ÒÑÖª£º2Cu2£¨s£©+O2£¨g£©=4CuO£¨s£©¡÷H=-292kJ?mol-1     
2C£¨s£©+O2£¨g£©=2CO£¨g£©¡÷H=-221kJ?mol-1
Çëд³öÓÃ×ãÁ¿Ì¿·Û»¹Ô­CuO£¨s£©ÖƱ¸Cu2O£¨s£©µÄÈÈ»¯Ñ§·½³Ìʽ
2CuO£¨s£©+C£¨s£©=CO£¨g£©+Cu2O£¨s£©£¬¡÷H=+35.5kJ?mol-1
2CuO£¨s£©+C£¨s£©=CO£¨g£©+Cu2O£¨s£©£¬¡÷H=+35.5kJ?mol-1
£»
£¨3£©Óõç½â·¨Ò²¿ÉÖƱ¸Cu2O£®Ô­ÀíÈçÓÒÉÏͼËùʾ£¬ÔòÑô¼«µç¼«·´Ó¦¿ÉÒÔ±íʾΪ
2Cu++2OH--2e-=C2u+H2O
2Cu++2OH--2e-=C2u+H2O
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

CuµÄ»¯ºÏÎïÔÚÉú»î¼°¿ÆÑÐÖÐÓÐÖØÒª×÷Ó㬲»Í¬·´Ó¦¿ÉÖƵò»Í¬×´Ì¬µÄCu2O

£¨1£©¿ÆѧÑо¿·¢ÏÖÄÉÃ×¼¶µÄCu2O¿É×÷Ϊ̫Ñô¹â·Ö½âË®µÄ´ß»¯¼Á¡£

¢ÙÔÚ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2¡£µ±ÊÕ¼¯µÄN2Ìå»ýΪ3.36L£¨ÒÑ»»ËãΪ±ê×¼×´¿ö£©Ê±£¬¿ÉÖƱ¸ÄÉÃ×¼¶Cu2OµÄÖÊÁ¿Îª         £»

¢ÚÒ»¶¨Î¶ÈÏ£¬ÔÚ2 LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë0.20 molË®ÕôÆø£¬·¢Éú·´Ó¦£º

  £»²âµÃ20 minʱO2µÄÎïÖʵÄÁ¿Îª0.0016 mol£¬ÔòÇ°20 minµÄ·´Ó¦ËÙÂÊv£¨H2O£©=                  £»¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£Êý±í´ïʽK=                  £»ÏÂͼ±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                £»

£¨2£©ÒÑÖª£º¦¤H£½£­293kJ¡¤mol£­1           

¦¤H£½£­221kJ¡¤mol£­1

     Çëд³öÓÃ×ãÁ¿Ì¿·Û»¹Ô­CuO£¨s£©ÖƱ¸Cu2O£¨s£©µÄÈÈ»¯Ñ§·½³Ìʽ         £»

£¨3£©Óõç½â·¨Ò²¿ÉÖƱ¸Cu2O¡£Ô­ÀíÈçÓÒÉÏͼËùʾ£¬ÔòÑô¼«µç¼«·´Ó¦¿ÉÒÔ±íʾΪ         ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011½ì½­Î÷Ê¡¸ÓÏØÖÐѧ¸ßÈýÊÊÓ¦ÐÔ¿¼ÊÔ£¨Àí¿Æ£©»¯Ñ§²¿·Ö ÌâÐÍ£ºÌî¿ÕÌâ

CuµÄ»¯ºÏÎïÔÚÉú»î¼°¿ÆÑÐÖÐÓÐÖØÒª×÷Ó㬲»Í¬·´Ó¦¿ÉÖƵò»Í¬×´Ì¬µÄCu2O
£¨1£©¿ÆѧÑо¿·¢ÏÖÄÉÃ×¼¶µÄCu2O¿É×÷Ϊ̫Ñô¹â·Ö½âË®µÄ´ß»¯¼Á¡£
¢ÙÔÚ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2¡£µ±ÊÕ¼¯µÄN2Ìå»ýΪ3.36L£¨ÒÑ»»ËãΪ±ê×¼×´¿ö£©Ê±£¬¿ÉÖƱ¸ÄÉÃ×¼¶Cu2OµÄÖÊÁ¿Îª        £»

¢ÚÒ»¶¨Î¶ÈÏ£¬ÔÚ2 LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë0.20 molË®ÕôÆø£¬·¢Éú·´Ó¦£º
  £»²âµÃ20 minʱO2µÄÎïÖʵÄÁ¿Îª0.0016 mol£¬ÔòÇ°20 minµÄ·´Ó¦ËÙÂÊv£¨H2O£©=                  £»¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£Êý±í´ïʽK=                  £»ÏÂͼ±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                £»
£¨2£©ÒÑÖª£º¦¤H£½£­293kJ¡¤mol£­1           
¦¤H£½£­221kJ¡¤mol£­1
Çëд³öÓÃ×ãÁ¿Ì¿·Û»¹Ô­CuO£¨s£©ÖƱ¸Cu2O£¨s£©µÄÈÈ»¯Ñ§·½³Ìʽ        £»
£¨3£©Óõç½â·¨Ò²¿ÉÖƱ¸Cu2O¡£Ô­ÀíÈçÓÒÉÏͼËùʾ£¬ÔòÑô¼«µç¼«·´Ó¦¿ÉÒÔ±íʾΪ        ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2010-2011ѧÄê½­Î÷Ê¡¸ßÈýÊÊÓ¦ÐÔ¿¼ÊÔ£¨Àí¿Æ£©»¯Ñ§²¿·Ö ÌâÐÍ£ºÌî¿ÕÌâ

CuµÄ»¯ºÏÎïÔÚÉú»î¼°¿ÆÑÐÖÐÓÐÖØÒª×÷Ó㬲»Í¬·´Ó¦¿ÉÖƵò»Í¬×´Ì¬µÄCu2O

£¨1£©¿ÆѧÑо¿·¢ÏÖÄÉÃ×¼¶µÄCu2O¿É×÷Ϊ̫Ñô¹â·Ö½âË®µÄ´ß»¯¼Á¡£

¢ÙÔÚ¼ÓÈÈÌõ¼þÏÂÓÃҺ̬루N2H4£©»¹Ô­ÐÂÖÆCu£¨OH£©2¿ÉÖƱ¸ÄÉÃ×¼¶Cu2O£¬Í¬Ê±·Å³öN2¡£µ±ÊÕ¼¯µÄN2Ìå»ýΪ3.36L£¨ÒÑ»»ËãΪ±ê×¼×´¿ö£©Ê±£¬¿ÉÖƱ¸ÄÉÃ×¼¶Cu2OµÄÖÊÁ¿Îª         £»

¢ÚÒ»¶¨Î¶ÈÏ£¬ÔÚ2 LÃܱÕÈÝÆ÷ÖмÓÈëÄÉÃ×¼¶Cu2O²¢Í¨Èë0.20 molË®ÕôÆø£¬·¢Éú·´Ó¦£º

   £»²âµÃ20 minʱO2µÄÎïÖʵÄÁ¿Îª0.0016 mol£¬ÔòÇ°20 minµÄ·´Ó¦ËÙÂÊv£¨H2O£©=                  £»¸ÃζÈÏ£¬·´Ó¦µÄƽºâ³£Êý±í´ïʽK=                  £»ÏÂͼ±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                 £»

£¨2£©ÒÑÖª£º¦¤H£½£­293kJ¡¤mol£­1           

¦¤H£½£­221kJ¡¤mol£­1

     Çëд³öÓÃ×ãÁ¿Ì¿·Û»¹Ô­CuO£¨s£©ÖƱ¸Cu2O£¨s£©µÄÈÈ»¯Ñ§·½³Ìʽ         £»

£¨3£©Óõç½â·¨Ò²¿ÉÖƱ¸Cu2O¡£Ô­ÀíÈçÓÒÉÏͼËùʾ£¬ÔòÑô¼«µç¼«·´Ó¦¿ÉÒÔ±íʾΪ         ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸