ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÀûÓÃ̼ºÍË®ÕôÆøÖƱ¸Ë®ÃºÆøµÄºËÐÄ·´Ó¦Îª£ºC(s)£«H2O(g)H2(g)£«CO(g)
(1)ÒÑ֪̼(ʯī)¡¢H2¡¢COµÄȼÉÕÈÈ·Ö±ðΪ393.5kJ¡¤mol£1¡¢285.8kJ¡¤mol£1¡¢283kJ¡¤mol£1£¬ÓÖÖªH2O(l)=H2O(g)¡¡¦¤H£½£«44kJ¡¤mol£1£¬ÔòC(s)£«H2O(g)CO(g)£«H2(g)¡¡¦¤H£½___¡£
(2)ÔÚijζÈÏ£¬ÔÚÌå»ýΪ1LµÄºãÈÝÃܱոÕÐÔÈÝÆ÷ÖмÓÈë×ãÁ¿»îÐÔÌ¿£¬²¢³äÈë1mol H2O(g)·¢ÉúÉÏÊö·´Ó¦£¬·´Ó¦Ê±¼äÓëÈÝÆ÷ÄÚÆøÌå×ÜѹǿµÄÊý¾ÝÈç±í£º
ʱ¼ä/min | 0 | 10 | 20 | 30 | 40 |
×Üѹǿ/100kPa | 1.0 | 1.2 | 1.3 | 1.4 | 1.4 |
¢Ùƽºâʱ£¬ÈÝÆ÷ÖÐÆøÌå×ÜÎïÖʵÄÁ¿Îª________mol£¬H2OµÄת»¯ÂÊΪ________¡£
¢Ú¸ÃζÈÏ·´Ó¦µÄƽºâ·Öѹ³£ÊýKp£½________kPa(½á¹û±£Áô2λÓÐЧÊý×Ö)¡£
(3)±£³Ö25¡æ¡¢Ìå»ýºã¶¨µÄ1LÈÝÆ÷ÖÐͶÈë×ãÁ¿»îÐÔÌ¿ºÍÏà¹ØÆøÌ壬·¢Éú¿ÉÄæ·´Ó¦C£«H2O(g)CO£«H2²¢Òѽ¨Á¢Æ½ºâ£¬ÔÚ40 minʱÔÙ³äÈëÒ»¶¨Á¿H2£¬50minʱÔٴδﵽƽºâ£¬·´Ó¦¹ý³ÌÖи÷ÎïÖʵÄŨ¶ÈËæʱ¼ä±ä»¯ÈçͼËùʾ£º
¢Ù40minʱ£¬ÔÙ³äÈëµÄH2µÄÎïÖʵÄÁ¿Îª________mol¡£
¢Ú40¡«50 minÄÚH2µÄƽ¾ù·´Ó¦ËÙÂÊΪ________mol¡¤L£1¡¤min£1¡£
(4)ÐÂÐ͵ÄÄÆÁòµç³ØÒÔÈÛÈÚ½ðÊôÄÆ¡¢ÈÛÈÚÁòºÍ¶àÁò»¯ÄÆ(Na2Sx)·Ö±ð×÷ΪÁ½¸öµç¼«µÄ·´Ó¦Î¹ÌÌåAl2O3ÌÕ´É(¿É´«µ¼Na£«)Ϊµç½âÖÊ£¬ÆäÔÀíÈçͼËùʾ£º
¢Ù·Åµçʱ£¬µç¼«AΪ________¼«£¬S·¢Éú________·´Ó¦£¨Ìî¡°Ñõ»¯¡±»ò¡°»¹Ô¡±£©¡£
¢Ú³äµçʱ£¬×Ü·´Ó¦ÎªNa2Sx=2Na£«Sx(3<x<5)£¬NaËùÔڵ缫ÓëÖ±Á÷µçÔ´________¼«ÏàÁ¬£¬Ñô¼«µÄµç¼«·´Ó¦Ê½Îª_________¡£
¡¾´ð°¸¡¿£«131.3 kJ¡¤mol£1 1.4 40% 27 6 0.1 ¸º »¹Ô ¸º Sx2--2e-=Sx
¡¾½âÎö¡¿
(1)ÒÑ֪̼(ʯī)¡¢H2¡¢COµÄȼÉÕÈÈ·Ö±ðΪ393.5kJ¡¤mol£1¡¢285.8kJ¡¤mol£1¡¢283kJ¡¤mol£1£¬Ôò
¢ÙC(s)£«O2(g)£½CO2(g)¡¡¦¤H£½£393.5kJ¡¤mol£1
¢ÚO2(g)£«H2(g)£½H2O(l)¡¡¦¤H£½£285.8kJ¡¤mol£1
¢ÛCO(g)£«O2(g)£½CO2(g)¡¡¦¤H£½£283kJ¡¤mol£1
¢ÜH2O(l)=H2O(g)¡¡¦¤H£½£«44kJ¡¤mol£1
¸ù¾Ý¸Ç˹¶¨ÂÉ¿ÉÖª¢Ù£¢Ú£¢Û£¢Ü¼´µÃµ½C(s)£«H2O(g)CO(g)£«H2(g)¡¡¦¤H£½£«131.3 kJ¡¤mol£1¡£
(2)¸ù¾Ý·½³Ìʽ¿ÉÖª
ѹǿ֮±ÈÊÇÎïÖʵÄÁ¿Ö®±È£¬Ôò(1£x+x+x):1£½1.4:1£¬½âµÃx£½0.4£»
¢Ù¸ù¾ÝÒÔÉÏ·ÖÎö¿É֪ƽºâʱ£¬ÈÝÆ÷ÖÐÆøÌå×ÜÎïÖʵÄÁ¿Îª1.4mol£¬H2OµÄת»¯ÂÊΪ40%¡£
¢Ú¸ÃζÈÏ·´Ó¦µÄƽºâ·Öѹ³£ÊýKp£½¡Ö27kPa¡£
(3)¢ÙÉè50minʱH2µÄÎïÖʵÄÁ¿Îªx mol£¬Î¶Ȳ»±äƽºâ³£Êý²»±ä£¬ÓÉÓÚÈÝ»ýÊÇ1L£¬Ôò¸ù¾ÝͼÏñ¿É֪ƽºâ³£ÊýK=£¬½âµÃx£½8£¬ÓÉÓÚCOµÄ±ä»¯Á¿ÊÇ1mol£¬ËùÒÔ40minʱÔÙ³äÈëµÄH2µÄÎïÖʵÄÁ¿Îª8mol+1mol£3mol£½6mol¡£
¢ÚÓÉÓÚÇâÆøµÄ±ä»¯Á¿ÊÇ1mol£¬ËùÒÔ40¡«50 minÄÚH2µÄƽ¾ù·´Ó¦ËÙÂÊΪ£½0.1mol¡¤L£1¡¤min£1¡£
(4)¢Ù·ÅµçʱÄÆʧȥµç×Ó£¬Ôòµç¼«AΪ¸º¼«£¬µç¼«BÊÇÕý¼«£¬ÔòS·¢Éú»¹Ô·´Ó¦¡£
¢Ú·ÅµçʱÄÆʧȥµç×Ó£¬Ôòµç¼«AΪ¸º¼«£¬³äµçʱ£¬NaËùÔڵ缫ÊÇÒõ¼«£¬ÓëÖ±Á÷µçÔ´¸º¼«ÏàÁ¬£»Ñô¼«·¢Éúʧȥµç×ÓµÄÑõ»¯·´Ó¦£¬Ôò¸ù¾Ý×Ü·´Ó¦ÎªNa2Sx=2Na£«Sx(3£¼x£¼5)¿ÉÖª£¬Ñô¼«µç¼«·´Ó¦Ê½ÎªSx2--2e-=Sx¡£
![](http://thumb2018.1010pic.com/images/loading.gif)