ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿»¯Ñ§ÄÜת»¯ÎªµçÄܵÄÔ­ÀíµÄ·¢Ïֺ͸÷ʽ¸÷Ñùµç³Ø×°Öõķ¢Ã÷£¬ÊÇÖüÄܺ͹¦Äܼ¼ÊõµÄ¾Þ´ó½ø²½¡£

»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÉÏͼÖÐCΪϡH2SO4ÈÜÒº£¬µçÁ÷±íÖ¸Õë·¢Éúƫת£¬Bµç¼«²ÄÁÏΪFeÇÒ×÷¸º¼«£¬ÔòAµç¼«ÉÏ·¢ÉúµÄµç¼«·´Ó¦Ê½Îª__________________£¬·´Ó¦½øÐÐÒ»¶Îʱ¼äºóÈÜÒºCµÄpH½«___________£¨Ìî¡°Éý¸ß¡±¡°½µµÍ¡±»ò¡°»ù±¾²»±ä¡±£©¡£

£¨2£©Èô½«·´Ó¦Cu +2Ag+=2Ag +Cu2+°´Í¼1ËùʾÉè¼ÆÒ»¸öÔ­µç³Ø×°Öã¬Ôò¸º¼«AµÄ²ÄÁÏΪ___________£¬ÈÜÒºCΪ___________£¬µ±µ¼ÏßÉÏÓÐ2.5mole-Á÷¹ýʱ£¬Õý¼«Éú³ÉÒøµÄÖÊÁ¿Îª________________¡£

£¨3£©ÏÂͼΪ¼×Í飨CH4£©È¼Áϵç³ØµÄ¹¹ÔìʾÒâͼ£¬d µç¼«ÊÇ___________£¨Ìî¡°Õý¼«¡±»ò¡°¸º¼«¡±£©£¬Cµç¼«µÄ·´Ó¦·½³ÌʽΪ___________________________¡£

¡¾´ð°¸¡¿ 2H++2e-=H2 ¡ü Éý¸ß Cu º¬Ag+µÄÈÜÒº 270 g Õý¼« CH4-8e-+2H2O=CO2+8H+

¡¾½âÎö¡¿£¨1£©ÈôCΪϡH2SO4ÈÜÒº£¬µçÁ÷±íÖ¸Õë·¢Éúƫת£¬Bµç¼«²ÄÁÏΪFeÇÒ×ö¸º¼«£¬µç¼«·´Ó¦ÎªFe-2e£­=Fe2£«£¬AΪÕý¼«£¬ÈÜÒºÖÐÇâÀë×ӵõ½µç×ÓÉú³ÉÇâÆø£¬µç¼«·´Ó¦Îª£º2H£«+2e£­=H2¡ü£»ÇâÀë×ÓŨ¶È¼õС£¬ÇâÑõ¸ùÀë×ÓŨ¶ÈÔö´ó£¬ÈÜÒºPHÉý¸ß£»¹Ê´ð°¸Îª£º2H£«+2e£­=H2¡ü£»Éý¸ß£»

£¨2£©Èô½«·´Ó¦Cu +2Ag+=2Ag +Cu2+°´Í¼1ËùʾÉè¼ÆÒ»¸öÔ­µç³Ø×°Ö㬻¹Ô­¼Á×÷¸º¼«£¬Ôò¸º¼«AµÄ²ÄÁÏΪCu£¬ÈÜÒºCΪº¬Ag+µÄÈÜÒº£¬ÈçAgNO3ÈÜÒº£¬µ±µ¼ÏßÉÏÓÐ1molµç×Óͨ¹ýʱ£¬¾ÍÉú³É1molAg£¬µ±µ¼ÏßÉÏÓÐ2.5mole-Á÷¹ýʱ£¬Õý¼«Éú³ÉÒøµÄÖÊÁ¿Îª108g/mol¡Á2.5mol=270g¡£

£¨3£©Í¼ 2Ϊ¼×Í飨CH4£©È¼Áϵç³ØµÄ¹¹ÔìʾÒâͼ£¬dµç¼«ÉÏͨÈëO2£¬·´Ó¦ÎªO2£«4e-£«4H£«=2H2O,d µç¼«ÊÇÕý¼«£¬cÉÏͨÈëCH4£¬×÷»¹Ô­¼Á£¬Îª¸º¼«£¬Cµç¼«µÄ·´Ó¦·½³ÌʽΪCH4-8e-+2H2O=CO2+8H+

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø