ÌâÄ¿ÄÚÈÝ
(8·Ö)ÀûÓÃN2ºÍH2¿ÉÒÔʵÏÖNH3µÄ¹¤ÒµºÏ³É£¬¶ø°±ÓÖ¿ÉÒÔ½øÒ»²½ÖƱ¸ÏõËᣬÔÚ¹¤ÒµÉÏÒ»°ã¿É½øÐÐÁ¬ÐøÉú²ú£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ÒÑÖª£ºN2(g)+O2(g)="2NO(g) " ¡÷H=+180.5kJ/mol
N2(g)+3H2(g)2NH3(g) ¡÷H=£92.4kJ/mol
2H2(g)+O2(g)=2H2O(g) ¡÷H=£483.6kJ/mol
Íê³É°±Æø¾´ß»¯Ñõ»¯Éú³ÉÒ»Ñõ»¯µªÆøÌåºÍË®ÕôÆøµÄÈÈ»¯Ñ§·½³Ìʽ£º
4NH3£¨g£©+5O2£¨g£©==4NO£¨g£©+6H2O£¨g£©£»¡÷H= kJ£¯mol
(2)ij¿ÆÑÐС×éÑо¿£ºÔÚÆäËûÌõ¼þ²»±äµÄÇé¿öÏ£¬¸Ä±äÆðʼÎïÇâÆøµÄÎïÖʵÄÁ¿¶Ô·´Ó¦N2(g)+3H2(g)2NH3(g)µÄÓ°Ï죮ʵÑé½á¹ûÈçͼËùʾ£º(ͼÖÐT±íʾζȣ¬n±íʾÎïÖʵÄÁ¿)
¢ÙͼÏñÖÐT1ºÍT2µÄ¹ØϵÊÇ£ºT1_______T2(Ìî¡°¸ßÓÚ¡±¡°µÍÓÚ¡±¡°µÈÓÚ¡±¡°ÎÞ·¨È·¶¨¡±)
¢Ú±È½ÏÔÚa¡¢b¡¢cÈýµãËù´¦µÄƽºâ״̬ÖУ¬·´Ó¦ÎïN2µÄת»¯ÂÊ×îµÍµÄÊÇ________(Ìî×Öĸ)£®
(3)ÔÚÒ»¶¨Î¶Ⱥʹ߻¯¼ÁÏ£¬½«3.2mol H2ºÍ1.2molN2»ìºÏÓÚÒ»¸öÈÝ»ýΪ2LµÄÃܱÕÈÝÆ÷Öз¢Éú·´Ó¦£¬ÔÚ2minĩʱ·´Ó¦Ç¡ºÃ´ïƽºâ£¬´ËʱÉú³ÉÁË0.8mol NH3£®¼ÆËã¸ÃÌõ¼þϵÄƽºâ³£Êý¡£(д³ö¼ÆËã¹ý³Ì£¬½á¹û±£ÁôСÊýµãºóһλ)
£¨8·Ö£©
£¨1£©£905 £¨2·Ö£©
£¨2£©¢Ù¸ßÓÚ£¨1·Ö£© ¢Úb £¨1·Ö£©
£¨3£©0.4£¨L2/mol2£©£¨¹ý³ÌºÍ½á¹ûÈ«¶ÔµÃ4·Ö£¬²»Ð´µ¥Î»²»¿Û·Ö£©
½âÎö