£¨6·Ö£©(1)»¯Ñ§·´Ó¦¿ÉÊÓΪ¾É¼ü¶ÏÁѺÍмüÐγɵĹý³Ì¡£»¯Ñ§¼üµÄ¼üÄÜÊÇÐγÉ(»ò²ð¿ª)1 mol»¯Ñ§¼üʱÊÍ·Å(»òÎüÊÕ)µÄÄÜÁ¿¡£ÒÑÖª£ºN¡ÔN¼üµÄ¼üÄÜÊÇ948.9 kJ/mol£¬H¡ªH¼üµÄ¼üÄÜÊÇ436.0 kJ/mol£»ÓÉN2ºÍH2ºÏ³É1 mol NH3ʱ¿É·Å³ö46.2 kJµÄÈÈÁ¿¡£ÔòN¡ªH¼üµÄ¼üÄÜÊÇ_______________________¡£

 (2)¸Ç˹¶¨ÂÉÔÚÉú²úºÍ¿ÆѧÑо¿ÖÐÓкÜÖØÒªµÄÒâÒå¡£ÓÐЩ·´Ó¦µÄ·´Ó¦ÈÈËäÈ»ÎÞ·¨Ö±½Ó²âµÃ£¬µ«¿Éͨ¹ý¼ä½ÓµÄ·½·¨²â¶¨¡£ÏÖ¸ù¾ÝÏÂÁÐ3¸öÈÈ»¯Ñ§·½³Ìʽ£º

Fe2O3(s)+3CO(g) = 2Fe(s)+3CO2(g) ¦¤H£½£­24.8 kJ/mol      ¢Ù

3Fe2O3(s)+CO(g) = 2Fe3O4(s)+CO2(g) ¦¤H£½£­47.2 kJ/mol    ¢Ú

Fe3O4(s)+CO(g) = 3FeO(s)+CO2(g) ¦¤H£½+640.5 kJ/mol      ¢Û

д³öCOÆøÌ廹ԭFeO¹ÌÌåµÃµ½Fe¹ÌÌåºÍCO2ÆøÌåµÄÈÈ»¯Ñ§·½³Ìʽ______________________________¡£

(3)ÒÑÖªÁ½¸öÈÈ»¯Ñ§·½³Ìʽ£º

C(s)£«O2(g)=CO2(g)        ¡÷H£½ ¨D 393.5kJ/mol

2H2(g)£«O2(g)=2H2O(g)     ¡÷H£½ ¨D 483.6kJ/mol

ÏÖÓÐÌ¿·ÛºÍH2×é³ÉµÄÐü¸¡Æø¹²0.2mol£¬Ê¹ÆäÔÚO2ÖÐÍêȫȼÉÕ£¬¹²·Å³ö63.53kJµÄÈÈÁ¿£¬ÔòÌ¿·ÛÓëH2µÄÎïÖʵÄÁ¿Ö®±ÈÊÇ           .

 

¡¾´ð°¸¡¿

(1) 383.85KJ ;(2)ÂÔ  £¨3£©1:1

¡¾½âÎö¡¿

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨1£©»¯Ñ§·´Ó¦¿ÉÊÓΪ¾É¼ü¶ÏÁѺÍмüÐγɵĹý³Ì£®»¯Ñ§¼üµÄ¼üÄÜÊÇÐγɣ¨»ò²ð¿ª£©1mol »¯Ñ§¼üʱÊÍ·Å£¨»òÎüÊÕ£©µÄÄÜÁ¿£®ÒÑÖª°×Á׺ÍP4O6µÄ·Ö×ӽṹÈçͼËùʾ£¬ÏÖÌṩÒÔÏ»¯Ñ§¼üµÄ¼üÄÜ£ºE£¨P-P£©=198kJ/mol¡¢E£¨P-O£©=360kJ/mol¡¢E£¨O¨TO£©=498kJ/mol£¬Ôò·´Ó¦P4£¨°×Á×£©È¼ÉÕÉú³ÉP4O6µÄÈÈ»¯Ñ§·½³ÌʽΪ
P4£¨s£©+3O2£¨g£©=P4O6£¨g£©¡÷H=-1638KJ/mol
P4£¨s£©+3O2£¨g£©=P4O6£¨g£©¡÷H=-1638KJ/mol

£¨2£©ÒÑÖª£ºCH4£¨g£©+2O2£¨g£©¨TCO2£¨g£©+2H2O£¨g£©¡÷H=-Q1kJ/mol£¬
2H2£¨g£©+O2£¨g£©¨T2H2O£¨g£©¡÷H=-Q2kJ/mol
H2O£¨g£©¨TH2O£¨l£©¡÷H=-Q3kJ/mol
³£ÎÂÏÂÈ¡Ìå»ý±ÈΪ4£º1µÄ¼×ÍéºÍÇâÆøµÄ»ìºÏÆøÌå112L£¨ÒÑÕۺϳɱê×¼×´¿ö£©£¬¾­ÍêȫȼÉÕºó»Ö¸´ÖÁ³£Î£¬Ôò·Å³öµÄÈÈÁ¿Îª
4Q1+0.5Q2+9Q3
4Q1+0.5Q2+9Q3
kJ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

»¯Ñ§·´Ó¦¿ÉÊÓΪ¾É¼ü¶ÏÁѺÍмüÐγɵĹý³Ì£®ÒÑÖª¶Ï¿ª1molÏÂÁл¯Ñ§¼üʱÐèÒªÎüÊÕµÄÄÜÁ¿·Ö±ðΪ£ºP-P  198kJ¡¢P-O  360kJ¡¢O=O  498kJ
ÒÑÖª£º°×Á×£¨P4£©ºÍP4O6µÄ·Ö×ӽṹÈçͼËùʾ£®°×Á×ȼÉÕÉú³ÉP4O6
£¨1£©°×Á׺ÍP4O6ÖеĻ¯Ñ§¼üÀàÐÍ·Ö±ðΪ
·Ç¼«ÐÔ¼ü
·Ç¼«ÐÔ¼ü
ºÍ
¼«ÐÔ¼ü
¼«ÐÔ¼ü

£¨2£©1mol P4 È¼ÉÕÉú³ÉP4O6ʱ·Å³ö
1638
1638
kJÈÈÁ¿£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨6·Ö£©(1)»¯Ñ§·´Ó¦¿ÉÊÓΪ¾É¼ü¶ÏÁѺÍмüÐγɵĹý³Ì¡£»¯Ñ§¼üµÄ¼üÄÜÊÇÐγÉ(»ò²ð¿ª)1 mol»¯Ñ§¼üʱÊÍ·Å(»òÎüÊÕ)µÄÄÜÁ¿¡£ÒÑÖª£ºN¡ÔN¼üµÄ¼üÄÜÊÇ948.9 kJ/mol£¬H¡ªH¼üµÄ¼üÄÜÊÇ436.0 kJ/mol£»ÓÉN2ºÍH2ºÏ³É1 mol NH3ʱ¿É·Å³ö46.2 kJµÄÈÈÁ¿¡£ÔòN¡ªH¼üµÄ¼üÄÜÊÇ_______________________¡£

 (2)¸Ç˹¶¨ÂÉÔÚÉú²úºÍ¿ÆѧÑо¿ÖÐÓкÜÖØÒªµÄÒâÒå¡£ÓÐЩ·´Ó¦µÄ·´Ó¦ÈÈËäÈ»ÎÞ·¨Ö±½Ó²âµÃ£¬µ«¿Éͨ¹ý¼ä½ÓµÄ·½·¨²â¶¨¡£ÏÖ¸ù¾ÝÏÂÁÐ3¸öÈÈ»¯Ñ§·½³Ìʽ£º

Fe2O3(s)+3CO(g) = 2Fe(s)+3CO2(g)¦¤H£½£­24.8 kJ/mol      ¢Ù

3Fe2O3(s)+CO(g) = 2Fe3O4(s)+CO2(g)¦¤H£½£­47.2 kJ/mol    ¢Ú

Fe3O4(s)+CO(g) = 3FeO(s)+CO2(g)¦¤H£½+640.5 kJ/mol     ¢Û

д³öCOÆøÌ廹ԭFeO¹ÌÌåµÃµ½Fe¹ÌÌåºÍCO2ÆøÌåµÄÈÈ»¯Ñ§·½³Ìʽ______________________________¡£

(3)ÒÑÖªÁ½¸öÈÈ»¯Ñ§·½³Ìʽ£º

C(s)£«O2(g)=CO2(g)       ¡÷H£½ ¨D393.5kJ/mol

2H2(g)£«O2(g)=2H2O(g)    ¡÷H£½ ¨D483.6kJ/mol

ÏÖÓÐÌ¿·ÛºÍH2×é³ÉµÄÐü¸¡Æø¹²0.2mol£¬Ê¹ÆäÔÚO2ÖÐÍêȫȼÉÕ£¬¹²·Å³ö63.53kJµÄÈÈÁ¿£¬ÔòÌ¿·ÛÓëH2µÄÎïÖʵÄÁ¿Ö®±ÈÊÇ          .

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄêºÓÄÏÊ¡½¹×÷ÊÐÐÞÎäÒ»ÖзÖУ¸ß¶þÉÏѧÆÚÆÚÖп¼ÊÔ»¯Ñ§ÊÔ¾í ÌâÐÍ£ºÌî¿ÕÌâ

£¨6·Ö£©(1)»¯Ñ§·´Ó¦¿ÉÊÓΪ¾É¼ü¶ÏÁѺÍмüÐγɵĹý³Ì¡£»¯Ñ§¼üµÄ¼üÄÜÊÇÐγÉ(»ò²ð¿ª)1 mol»¯Ñ§¼üʱÊÍ·Å(»òÎüÊÕ)µÄÄÜÁ¿¡£ÒÑÖª£ºN¡ÔN¼üµÄ¼üÄÜÊÇ948.9 kJ/mol£¬H¡ªH¼üµÄ¼üÄÜÊÇ436.0 kJ/mol£»ÓÉN2ºÍH2ºÏ³É1 mol NH3ʱ¿É·Å³ö46.2 kJµÄÈÈÁ¿¡£ÔòN¡ªH¼üµÄ¼üÄÜÊÇ_______________________¡£
(2)¸Ç˹¶¨ÂÉÔÚÉú²úºÍ¿ÆѧÑо¿ÖÐÓкÜÖØÒªµÄÒâÒå¡£ÓÐЩ·´Ó¦µÄ·´Ó¦ÈÈËäÈ»ÎÞ·¨Ö±½Ó²âµÃ£¬µ«¿Éͨ¹ý¼ä½ÓµÄ·½·¨²â¶¨¡£ÏÖ¸ù¾ÝÏÂÁÐ3¸öÈÈ»¯Ñ§·½³Ìʽ£º
Fe2O3(s)+3CO(g) = 2Fe(s)+3CO2(g) ¦¤H£½£­24.8 kJ/mol     ¢Ù
3Fe2O3(s)+CO(g) = 2Fe3O4(s)+CO2(g) ¦¤H£½£­47.2 kJ/mol   ¢Ú
Fe3O4(s)+CO(g) = 3FeO(s)+CO2(g) ¦¤H£½+640.5 kJ/mol     ¢Û
д³öCOÆøÌ廹ԭFeO¹ÌÌåµÃµ½Fe¹ÌÌåºÍCO2ÆøÌåµÄÈÈ»¯Ñ§·½³Ìʽ______________________________¡£
(3)ÒÑÖªÁ½¸öÈÈ»¯Ñ§·½³Ìʽ£º
C(s)£«O2(g)=CO2(g)       ¡÷H£½ ¨D 393.5kJ/mol
2H2(g)£«O2(g)=2H2O(g)    ¡÷H£½ ¨D 483.6kJ/mol
ÏÖÓÐÌ¿·ÛºÍH2×é³ÉµÄÐü¸¡Æø¹²0.2mol£¬Ê¹ÆäÔÚO2ÖÐÍêȫȼÉÕ£¬¹²·Å³ö63.53kJµÄÈÈÁ¿£¬ÔòÌ¿·ÛÓëH2µÄÎïÖʵÄÁ¿Ö®±ÈÊÇ          .

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸