½â´ð£º
½â£º£¨1£©AÔªËØ»ù̬Ô×ÓµÄ×îÍâ²ãÓÐ3¸öδ³É¶Ôµç×Ó£¬´ÎÍâ²ãÓÐ2¸öµç×Ó£¬Æä´ÎÍâ²ãΪK²ã¡¢×îÍâ²ãΪL²ã£¬Ôò¸ÃÔªËØÔ×ÓºËÍâÓÐ7¸öµç×Ó£¬Ô×ÓÖкËÍâµç×ÓÊýµÈÓÚÆäÔ×ÓÐòÊýΪ7£¬ËùÒÔÊÇNÔªËØ£¬¹Ê´ð°¸Îª£ºN£»
£¨2£©BÔªËصĸºÒ»¼ÛÀë×ӵĵç×Ó²ã½á¹¹Óëë²Ïàͬ£¬ÔòBΪClÔªËØ£¬CÔªËصÄÕýÒ»¼ÛÀë×ӵĵç×Ó²ã½á¹¹Óëë¯Ïàͬ£¬ÔòDΪCsÔªËØ£¬B¡¢CÐγɵĻ¯ºÏÎïΪCsCl£¬ÊôÓÚÀë×Ó¾§Ì壬ÆäÈÛÈÚ̬ÓÐ×ÔÓÉÒƶ¯µÄÀë×Ó£¬ËùÒÔÈÛÈÚʱÄܵ¼µç£¬ÇÒÈ۷еã½Ï¸ß£¬¹Ê´ð°¸Îª£ºÈÛÈÚʱÄܵ¼µç¡¢½Ï¸ßµÄÈ۵㡢Ӳ¶È½Ï´óµÈ£»
£¨3£©DÔªËصÄÕýÈý¼ÛÀë×ÓµÄ3dÄܼ¶Îª°ë³äÂú£¬ÔòDÔ×ÓºËÍâµç×ÓÊý=2+8+8+6+2=26£¬ÎªFeÔªËØ£¬Æä3d¡¢4sµç×ÓΪÆä¼Ûµç×Ó£¬Æä¼Ûµç×ÓÅŲ¼Í¼Îª
£¬
¹Ê´ð°¸Îª£º
£»
£¨4£©µÚÈýÖÜÆÚ²¿·ÖÔªËØE¡¢F¡¢G£¬¸ù¾ÝµçÀëÄÜÖª£¬
EÔªËصڶþ¡¢ÈýµçÀëÄÜÏà²î½Ï´ó£¬ÔòEÊǵÚIIA×åÔªËØ£¬ÎªMgÔªËØ£»
FÔªËصÚÈý¡¢ËĵçÀëÄÜÏà²î½Ï´ó£¬ÔòFÊǵÚIIIA×åÔªËØ£¬ÎªAlÔªËØ£»
GµÚÒ»¡¢¶þµçÀëÄÜÏà²î½Ï´ó£¬ÔòGÊǵÚIA×åÔªËØ£¬ÎªNaÔªËØ£»
FµÄ×î¸ß¼ÛÑõ»¯ÎïΪAl
2O
3¡¢GµÄ×î¸ß¼ÛÑõ»¯Îï¶ÔÓ¦µÄË®»¯ÎïΪNaOH£¬¶þÕß·´Ó¦Éú³ÉÆ«ÂÁËáÄƺÍË®£¬Àë×Ó·½³ÌʽΪAl
2O
3+2OH
-¨T2AlO
2-+H
2O£¬GµÄ×î¸ß¼ÛÑõ»¯Îï¶ÔÓ¦µÄË®»¯ÎïNaOHΪÀë×Ó»¯ºÏÎÇâÑõ¸ùÀë×ÓÖÐOÔ×ÓºÍHÔ×ÓÖ®¼ä¹²ÓÃÒ»¶Ôµç×Ó£¬Æäµç×ÓʽΪ
£¬
¹Ê´ð°¸Îª£ºAl
2O
3+2OH
-¨T2AlO
2-+H
2O£»
£»
£¨5£©1molMgµÄµ¥ÖÊÔÚCO
2ÆøÌåÖÐȼÉշųö760kJÈÈÁ¿£¨25¡æ£¬101kp
a£©£¬Ôò2molMgµ¥ÖÊÔÚ×ãÁ¿¶þÑõ»¯Ì¼ÖÐȼÉշųö1520kJÈÈÁ¿2Mg£¨s£©+CO
2£¨g£©¨T2MgO£¨s£©+C£¨s£©¡÷H=-1520 kJ/mol£¬ÈÈ»¯Ñ§·½³ÌʽΪ£¬¹Ê´ð°¸Îª£º2Mg£¨s£©+CO
2£¨g£©¨T2MgO£¨s£©+C£¨s£©¡÷H=-1520 kJ/mol£®