½â£º£¨1£©·½·¨¢ÙÖÐCu¡¢H
2SO
4µÄÀûÓÃÂÊ100%£¬ÇÒÎÞÎÛȾ£¬·½·¨¢ÚÖÐCuµÄÀûÓÃÂÊ100%£¬H
2SO
4µÄÀûÓÃÂÊ50%£¬ÇÒ²úÉúÎÛȾÎ¹Ê´ð°¸£ºÑ¡Ôñ·½·¨¢ÙÔÁÏÀûÓÃÂʸߣ¬ÎÛȾÉÙ£»
£¨2£©ÒòÈÜÒºÖÐÓÐÑõÆø£¬¼ÓÈÈÄÜÓëÍ·´Ó¦Éú³ÉÑõ»¯Í£º2Cu+O
22CuO£¬Ñõ»¯ÍÔÙÓëÁòËá·´Ó¦£ºCuO+H
2SO
4=CuSO
4+H
2O£¬Á½Ê½Ïà¼Ó£º2Cu+O
2+2H
2SO
42CuSO
4+2H
2O£¬Òò¼ÓÈÈʱµÎÈ뼸µÎ
H
2O
2£¬ÈÜÒºÒ²»áºÜ¿ì³ÊÀ¶É«£¬ËµÃ÷H
2O
2Äܽ²ÍÑõ»¯³ÉÍÀë×Ó£¬Àë×Ó·´Ó¦ÎªCu+H
2O
2+2H
+Cu
2++2H
2O£¬¹Ê´ð°¸£º2Cu+O
2+2H
2SO
42CuSO
4+2H
2O£»Cu+H
2O
2+2H
+Cu
2++2H
2O£»
£¨3£©ÒÑÖª£º2Cu£¨s£©+
O
2£¨g£©=Cu
2O£¨s£©£»¡÷H
1=-12.0kJ/mol ¢Ù
2Cu£¨s£©+S£¨s£©=Cu
2S£¨s£©£»¡÷H
2=-79.5kJ/mol ¢Ú
S£¨s£©+O
2 £¨g£©=SO
2£¨g£©£»¡÷H
3=-296.83kJ/mol ¢Û
¸ù¾Ý¸Ç˹¶¨ÂÉ¢Û-¢Ù¡Á2-¢Ú¿ÉµÃCu
2S£¨s£©+2Cu
2O£¨s£©=6Cu£¨s£©+SO
2£¨g£©£»¡÷H
4=-193.33kJ/mol£¬
¹Ê´ð°¸Îª£º-193.33£»
£¨4£©¸ù¾Ý»¯ºÏ¼ÛÉý½µ×ÜÊýÏàµÈ¿ÉÖª£¬
Cu
2S Cu£º+1¡ú+2¡ü2 ¹²¡ü10¡Á3
S£º-2¡ú+6¡ü8
HNO
3 N£º+5¡ú+2¡ý3¡Á10
ÔòÅäƽºóµÄ»¯Ñ§·´Ó¦Îª3Cu
2S+16HNO
33CuSO
4+3Cu£¨NO
3£©
2+10NO¡ü+8H
2O£¬
¹Ê´ð°¸£º3£¬16£¬3£¬3£¬10£¬8H
2O£»
£¨5£©ÉèCu
2S µÄÖÊÁ¿Îªx£¬CuS µÄÖÊÁ¿Îªy£¬
Cu
2S¡«2CuO CuS¡«CuO
160 160 96 80
x x y
y
½¨Á¢·½³Ì×飺
½âµÃ£ºx=6m
2-5m
1£¬y=6m
1-6m
2£¬
¹Ê´ð°¸Îª£º6m
2-5m
1£®
·ÖÎö£º£¨1£©¸ù¾ÝÔÁÏÀûÓÃÂʺͻ·±£µÄ½Ç¶È£»
£¨2£©¸ù¾ÝÈÜÒºÖÐÓÐÑõÆø²Î¼Ó·´Ó¦¼°H
2O
2µÄÑõ»¯ÐÔÀ´·ÖÎö£»
£¨3£©¸ù¾Ý¸Ç˹¶¨ÂɼÆËã·´Ó¦ÈÈ£»
£¨4£©¸ù¾ÝÑõ»¯»¹Ô·´Ó¦Öл¯ºÏ¼ÛÉý½µ×ÜÊýÏàµÈ¼°ÖÊÁ¿ÊغãÀ´Åäƽ£»
£¨5£©¸ù¾ÝCu
2SºÍCuS¼ÓÈȺó×îÖÕ¶¼±ä³ÉCuO£¬½¨Á¢·½³Ì×éÇó½â£®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁË͵Ļ¯Ñ§ÐÔÖÊ£¬Í¬Ê±Ò²¿¼²éÁ˸Ç˹¶¨ÂɵÄÔËÓã¬Ñõ»¯»¹Ô·´Ó¦£¬Ôö¼ÓÁËÊÔÌâµÄ×ÛºÏÐÔ£®