Question

£¨1£©ÒÑÖª£ºN₂£¨g£©£«O₂£¨g£©===2NO£¨g£©£»¦¤H£½180£®5 kJ¡¤mol^£­1

4NH₃£¨g£©£«5O₂£¨g£©===4NO£¨g£©£«6H₂O£¨g£©£»¦¤H£½£­905 kJ¡¤mol^£­1

2H₂£¨g£©£«O₂£¨g£©===2H₂O£¨g£©£»¦¤H£½£­483£®6 kJ¡¤mol^£­1

ÔòN₂£¨g£©£«3H₂£¨g£©2NH₃£¨g£©µÄ¦¤H£½______________¡£

(2) ¼×Íé×ÔÈÈÖØÕûÊÇÏȽøµÄÖÆÇâ·½·¨£¬°üº¬¼×ÍéÑõ»¯ºÍÕôÆûÖØÕû¡£Ïò·´Ó¦ÏµÍ³Í¬Ê±Í¨Èë¼×Íé¡¢ÑõÆøºÍË®ÕôÆø£¬·¢ÉúµÄÖ÷Òª»¯Ñ§·´Ó¦ÓУº

·´Ó¦¹ý³Ì	»¯Ñ§·½³Ìʽ	ìʱä¡÷H(kJ/mol)	»î»¯ÄÜEa(kJ/mol)
¼×ÍéÑõ»¯	CH4(g)£«2O2(g)£½CO2(g)£«2H2O(g)	£­802.6	125.6
	CH4(g)£«O2(g)£½CO2(g)£«2H2(g)	£­322.0	172.5
ÕôÆûÖØÕû	CH4(g)£«H2O(g)£½CO(g)£«3H2(g)	206.2	240.1
	CH4(g)£«2H2O(g)£½CO2(g)£«4H2(g)	165.0	243.9

»Ø´ðÏÂÁÐÎÊÌ⣺

·´Ó¦CO(g)£«H₂O(g)_£½CO₂(g)£«H₂(g)µÄ¡÷H=¡¡¡¡¡¡¡¡ kJ/mol

£¨3£© ÈçͼËùʾװÖÿÉÓÃÓÚÖƱ¸N₂O₅£¬ÔòN₂O₅ÔÚµç½â³ØµÄ______£¨Ìî¡°Ñô¼«¡±»ò¡°Òõ¼«¡±£©ÇøÉú³É£¬Æäµç¼«·´Ó¦Ê½Îª______________________________¡£

Answer 1

£¨1£© £­92£®4 kJ¡¤mol^£­1

£¨2£©-41.2

£¨3£© Ñô¡¡N₂O₄£«2HNO₃£­2e^£­===2N₂O₅£«2H^£«