ÇâÆøȼÉÕÉú³ÉҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÊÇ2H2(g)£«O2(g)2H2O(l)¡¡¦¤H£½£­572 kJ¡¤mol£­1£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺

(1)Éú³ÉÎïÄÜÁ¿×ܺÍ________(Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)·´Ó¦ÎïÄÜÁ¿×ܺͣ®

(2)Èô2 molÇâÆøÍêȫȼÉÕÉú³ÉË®ÕôÆø£¬Ôò·Å³öµÄÈÈÁ¿________(Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)572 kJ£®

(3)·´Ó¦2H2£«O2£½2H2OµÄÄÜÁ¿±ä»¯ÈçͼËùʾ£®ÒÑÖª²ð¿ª1 mol¡¡H2¡¢1 mol¡¡O2ºÍ1 mol¡¡H£­OÖеĻ¯Ñ§¼ü·Ö±ðÐèÒªÏûºÄ436 KJ¡¢496 KJºÍ463 KJÄÜÁ¿£¬Ôò·´Ó¦¹ý³Ì(¢ò)________(Ìî¡°ÎüÊÕ¡±»ò¡°·Å³ö¡±)________KJ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÇâÆøȼÉÕÉú³ÉҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÊÇ
2H2£¨g£©+O2£¨g£©¨T2H2O£¨l£©¡÷H=-572kJ/mol£® Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Éú³ÉÎïÄÜÁ¿×ܺÍ
£¼
£¼
£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©·´Ó¦ÎïÄÜÁ¿×ܺͣ®
£¨2£©Èô1molÇâÆøÍêȫȼÉÕÉú³ÉË®ÕôÆø£¬Ôò·Å³öµÄÈÈÁ¿
£¼
£¼
£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©286kJ£®
£¨3£©ÃÀ¹ú°¢²¨ÂÞÓîÖæ·É´¬ÉÏʹÓÃÁËÒ»ÖÖÐÂÐÍ×°Öã¬Æä¹¹ÔìµÄÒ»²¿·ÖÈçÓÒͼËùʾ£ºa¡¢bÁ½¸öµç¼«¾ùÓɶà¿×µÄ̼¿é×é³É£®´Ë×°Öõĸº¼«·´Ó¦Ê½Îª
H2-2e-+2OH-=2H2O
H2-2e-+2OH-=2H2O
£¬µ±Õý¼«ÏûºÄ5.6L£¨±ê×¼×´¿ö£©ÆøÌåʱ£¬Íâµç·תÒƵĵç×ÓÊýΪ
6.02¡Á1023
6.02¡Á1023
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÇâÆøȼÉÕÉú³ÉҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÊÇ£º2H2£¨g£©+O2£¨g£©¨T2H2O£¨l£©¡÷H=-572kJ/molÇë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Éú³ÉÎïÄÜÁ¿×ܺÍ
СÓÚ
СÓÚ
£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©·´Ó¦ÎïÄÜÁ¿×ܺͣ®
£¨2£©Èô2molÇâÆøÍêȫȼÉÕÉú³ÉË®ÕôÆø£¬Ôò·Å³öµÄÈÈÁ¿
£¼
£¼
£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©572kJ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÇâÆøȼÉÕÉú³ÉҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÊÇ2H2£¨g£©+O2£¨g£©¨T2H2O£¨l£©¡÷H=-572kJ/mol
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Éú³ÉÎïÄÜÁ¿×ܺÍ
СÓÚ
СÓÚ
£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©·´Ó¦ÎïÄÜÁ¿×ܺͣ®
£¨2£©Èô2molÇâÆøÍêȫȼÉÕÉú³ÉË®ÕôÆø£¬Ôò·Å³öµÄÈÈÁ¿
£¼
£¼
£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©572kJ£®
£¨3£©ÃÀ¹ú°¢²¨ÂÞÓîÖæ·É´¬ÉÏʹÓÃÁËÒ»ÖÖÐÂÐÍ×°Öã¬Æä¹¹ÔìÈçÓÒͼËùʾ£ºa¡¢bÁ½¸öµç¼«¾ùÓɶà¿×µÄ̼¿é×é³É£®ËüµÄ¸º¼«·´Ó¦ÎïΪ
H2
H2
£¬µ±Õý¼«ÏûºÄ5.6L£¨±ê×¼×´¿ö£©ÆøÌåʱ£¬Íâµç·תÒƵĵç×ÓÊýΪ
6.02¡Á1023
6.02¡Á1023
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2008?¹ã°²Ä£Ä⣩»¯Ñ§ÓÃÓïÊÇѧϰ»¯Ñ§µÄ¹¤¾ßºÍ»ù´¡£®ÏÂÁÐÓйػ¯Ñ§ÓÃÓïµÄʹÓÃÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÌìÈ»ÆøµÄÖ÷Òª³É·Ö¼×ÍéȼÉÕÉú³É¶þÑõ»¯Ì¼ºÍҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÈçÏ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺CH4£¨g£©+2O2£¨g£©=CO2£¨g£©+2H2O£¨l£©¡÷H=-889.6kJ/mol£®
£¨1£©·´Ó¦ÎïÄÜÁ¿×ܺÍ
 
£¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©Éú³ÉÎïÄÜÁ¿×ܺͣ®
£¨2£©Èô1mol¼×ÍéÍêȫȼÉÕÉú³É¶þÑõ»¯Ì¼ºÍË®ÕôÆø£¬Ôò·Å³öµÄÈÈÁ¿
 
889.6kJ£®£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©
£¨3£©ÒÑÖªÇâÆøȼÉÕÉú³ÉҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽÊÇ£º2H2£¨g£©+O2£¨g£©=2H2O£¨l£©¡÷H=-572kJ/mol£¬ÔòÏàͬÖÊÁ¿µÄ¼×ÍéºÍÇâÆø£¬ÍêȫȼÉÕÉú³ÉҺ̬ˮ£¬·ÅÈȽ϶àµÄÊÇ
 
£®
£¨4£©ÈçͼËùʾµÄ¼×³Ø×°ÖÃÊÇÓÉCH4¡¢O2ºÍKOHÈÜÒº×é³ÉµÄÐÂÐÍȼÁϵç³Ø£¬ÀûÓøÃ×°ÖÿÉÒÔ½«
 
ÄÜת»¯Îª
 
ÄÜ£®
£¨5£©ÒÒ³ØÖеÄÁ½¸öµç¼«Ò»¸öÊÇʯīµç¼«£¬Ò»¸öÊÇÌúµç¼«£¬¹¤×÷ʱM¡¢NÁ½¸öµç¼«µÄÖÊÁ¿¶¼²»¼õÉÙ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨6£©Mµç¼«µÄ²ÄÁÏÊÇ
 
£¬NµÄµç¼«µç¼«·´Ó¦Ê½Îª£º
 
£»ÒҳصÄ×Ü·´Ó¦Ê½ÊÇ
 
£¬Í¨Èë¼×ÍéµÄ²¬µç¼«ÉÏ·¢ÉúµÄµç¼«·´Ó¦Ê½Îª
 
£®
£¨7£©Ôڴ˹ý³ÌÖУ¬ÒÒ³ØÖÐijһµç¼«Îö³ö½ðÊôÒø4.32gʱ£¬¼×³ØÖÐÀíÂÛÉÏÏûºÄÑõÆøΪ
 
 L£¨±ê×¼×´¿öÏ£©£»Èô´ËʱÒÒ³ØÈÜÒºµÄÌå»ýΪ400mL£¬ÔòÒÒ³ØÖÐÈÜÒºµÄH+µÄŨ¶ÈΪ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸