ÌâÄ¿ÄÚÈÝ

2011Äê11ÔÂ1ÈÕ£¬ÎÒ¹ú×ÔÐÐÑÐÖƵġ°³¤Õ÷¶þºÅF¡±Ò£°ËÔËÔØ»ð¼ý½«¡°ÉñÖ۰˺š±·É´¬ËÍÈëÌ«¿ÕÔ¤¶¨¹ìµÀ£¬Á½ÌìºóÓë¡°Ì칬һºÅ¡±Ä¿±ê·ÉÐÐÆ÷ʵÏֳɹ¦¶Ô½Ó£®Æ«¶þ¼×루C2H8N2£©ºÍËÄÑõ»¯¶þµª£¨N2O4£©Êdz¤Õ÷ϵÁлð¼ýµÄ³£¹æÍƽø¼Á£®Çë»Ø´ðÏÂÁÐÏà¹ØÎÊÌ⣺
£¨1£©Æ«¶þ¼×루C2H8N2£©ÓëËÄÑõ»¯¶þµª£¨N2O4£©·´Ó¦µÄ»¯Ñ§·½³Ìʽ¿É±íʾΪ£ºC2H8N2+2N2O4¨T3N2+2X+4H2O£¬ÔòXµÄ»¯Ñ§Ê½Îª
B
B
£¨Ñ¡ÌîÏÂÁÐÑ¡ÏîµÄ±àºÅ×Öĸ£©£®
A£®O2£»B£®CO2£»C£®H2
£¨2£©1gҺ̬ƫ¶þ¼×ëÂÓë×ãÁ¿µÄҺ̬ËÄÑõ»¯¶þµªÍêÈ«·´Ó¦Éú³ÉÆø̬²úÎ·Å³öQ kJÈÈÁ¿£¬ÔòÏàͬÌõ¼þÏÂ0.1molÆ«¶þ¼×ë·¢Éú¸Ã·´Ó¦ÄܷųöµÄÈÈÁ¿Îª
A
A
kJ£¨Ñ¡ÌîÏÂÁбàºÅ×Öĸ£©£®
A£®6Q£»B£®30Q£»C£®60Q£®
·ÖÎö£º£¨1£©¸ù¾ÝÔ­×ÓÊغãÅжÏXµÄ»¯Ñ§Ê½£»
£¨2£©¸ù¾Ým=nM¼ÆËã0.1molÆ«¶þ¼×ëµÄÖÊÁ¿£¬ÔÙÀûÓÃ1gÆ«¶þ¼×ëÂÓë×ãÁ¿µÄҺ̬ËÄÑõ»¯¶þµªÍêÈ«·´Ó¦·Å³öQkJÈÈÁ¿½øÐмÆË㣮
½â´ð£º½â£º£¨1£©¸ù¾ÝÔ­×ÓÊغã¿ÉÖª£¬X²»º¬NÔ­×Ó¡¢HÔªËØ£¬º¬ÓÐCÔªËØ¡¢OÔªËØ£¬XµÄ»¯Ñ§Ê½ÖУºCÔ­×ÓÊýĿΪ
2
2
=1£¬OÔ­×ÓÊýĿΪ
4¡Á2-1¡Á4
2
=2£¬¹ÊX»¯Ñ§Ê½ÎªCO2 £¬
¹ÊÑ¡B£»
£¨2£©0.1molÆ«¶þ¼×ëµÄÖÊÁ¿Îª£º0.1mol¡Á60g/mol=6g£¬¹Ê0.1molÆ«¶þ¼×ë·¢Éú·´Ó¦ÄܷųöµÄÈÈÁ¿ÎªQkJ¡Á
6g
1g
=6QkJ£¬
¹ÊÑ¡A£®
µãÆÀ£º±¾Ì⿼²é·´Ó¦ÈÈÓйؼÆËã¡¢»¯Ñ§·½³ÌʽÖÐÖÊÁ¿ÊغãµÈ£¬ÄѶȲ»´ó£¬×¢Òâ»ù´¡ÖªÊ¶µÄÀí½âÕÆÎÕ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø