¢Ù28 gµªÆøËùº¬ÓеÄÔ×ÓÊýĿΪNA
¢Ú4 g½ðÊô¸Æ±ä³É¸ÆÀë×ÓʱʧȥµÄµç×ÓÊýĿΪ0.1 NA
¢Û1 mol¼×ÍéµÄÖÊÁ¿ÓëNA¸ö¼×Íé·Ö×ÓµÄÖÊÁ¿Ö®ºÍÏàµÈ
¢Ü1 molʯīÖк¬ÓÐNA/2¸öÁù̼»·
¢Ý³£Î³£Ñ¹Ï£¬31 g°×Á×ÓëºìÁ׵ĻìºÏÎïÖк¬ÓÐNA¸öÁ×Ô×Ó
¢Þ½«1 mol NO2ÆøÌå½øÐмÓѹ£¬¼ÓѹºóÆøÌåµÄ·Ö×ÓÊý½«ÉÙÓÚNA¸ö
¢ß11.2 LÇâÆøËùº¬µÄÔ×ÓÊýΪNA
¢àm g ÖÐËùº¬µç×ÓÊýΪ(Z-n)mNA/A
¢áÖÊ×Ó×ÜÊýΪ5NAµÄÖØË®(D2O)ÎïÖʵÄÁ¿Îª0.5 mol
¢â³£Î³£Ñ¹Ï£¬NA¸ö¼×Íé·Ö×ÓµÄÌå»ý²»µÈÓÚ22.4 L
¢Ï0.1 mol K2O2ÓëË®·´Ó¦Ê±£¬×ªÒƵĵç×ÓÊýΪ0.2NA
¢ÐNA¸öÑõ·Ö×ÓºÍNA¸öÇâ·Ö×ÓµÄÖÊÁ¿±ÈµÈÓÚ8¡Ã1
A.¢Ú¢Þ¢ß¢â¢Ð B.¢Ù¢Ú¢ß¢à¢Ï¢Ð
C.¢Ù¢Ú¢Þ¢à¢Ï¢Ð D.¢Ù¢Ú¢ß¢à¢á¢â
½âÎö:±¾ÌâÖ÷Òª¿¼²é¶ÔÎïÖʵÄÁ¿¼°Æ䵥λµÄÀí½âºÍÔËÓÃÎïÖʵÄÁ¿Óë°¢·ü¼ÓµÂÂÞ³£ÊýµÄ¹Øϵ×ۺϷÖÎöÎÊÌâµÄÄÜÁ¦¡£
¢Ù²»ÕýÈ·£¬ÒòΪµªÆøÊÇË«Ô×Ó·Ö×Ó£¬Ä¦¶ûÖÊÁ¿ÊÇ28 g¡¤mol-1£¬28 gµªÆøµÄÎïÖʵÄÁ¿ÊÇ1 mol£¬Ó¦º¬ÓÐ2 molµªÔ×Ó£¬¼´2NA¸öµªÔ×Ó¡£
¢Ú²»ÕýÈ·£¬ÒòΪ¸ÆÊǶþ¼Û½ðÊô£¬ÆäĦ¶ûÖÊÁ¿Îª40 g¡¤mol-1£¬4 g¸ÆµÄÎïÖʵÄÁ¿Îª0.1 mol£¬ÔÚ»¯Ñ§·´Ó¦ÖÐӦʧȥ0.2 molµç×Ó£¬¼´0.2NA¡£
¢ÛÕýÈ·£¬¸ù¾ÝÎïÖʵÄÁ¿¼°µ¥Î»¡ª¡ªÄ¦¶ûµÄº¬Ò壬1 mol¼×ÍéÖк¬ÓÐNA¸ö¼×Íé·Ö×Ó¡£
¢ÜÕýÈ·£¬ÒòΪʯīÖÐÿ¸ö̼Ô×Ó·ÖÊôÓÚÈý¸ö̼»·£¬¶ÔÆäÖÐÒ»¸ö»·µÄ¹±Ï×Ϊ¸ö£¬¹Êÿ¸öÁù̼»·ÖÐÏ൱ÓÚº¬Ì¼Ô×Ó¡Á6=2¸ö¡£
¢ÝÕýÈ·£¬ÒòΪÎïÖÊËùº¬Ô×Ó¸öÊýµÄ¶àÉÙÖ»ÓëÏà¶ÔÔ×ÓÖÊÁ¿¡¢ÖÊÁ¿Óйأ¬31 gÁ×Ëùº¬Á×Ô×ÓÊýΪ=1 mol£¬¼´º¬ÓÐNA¸öÁ×Ô×Ó¡£
¢ÞÕýÈ·£¬ÓÉÓÚNO2ÆøÌåÖдæÔÚ2NO2(g)N2O4(g)£¬¼ÓѹºóƽºâÏòÓÒÒƶ¯£¬ÆøÌå·Ö×ÓÊý¼õС¡£
¢ß²»ÕýÈ·£¬ÒòΪûÓÐÖ¸Ã÷ÇâÆøËù´¦µÄ״̬¡£
¢à²»ÕýÈ·£¬ÒòΪm gn-ÖÐËùº¬µç×ÓÊýӦΪ¡Á(Z+n)¡ÁNA mol-1=¡£
¢áÕýÈ·£¬ÒòΪ1 molÖØË®Öк¬ÓÐÖÊ×ÓµÄÎïÖʵÄÁ¿Îª10 mol£¬ÖÊ×ÓÊýΪ5NAµÄÖØË®µÄÎïÖʵÄÁ¿Îª0.5 mol¡£
¢âÕýÈ·£¬ÒòΪ¼×ÍéËù´¦µÄ״̬²»ÊDZê×¼×´¿ö¡£
11²»ÕýÈ·£¬ÒòΪK2O2ÓëË®·´Ó¦Ê±£¬µç×ÓתÒÆ·¢ÉúÔÚÁ½¸ö-1¼ÛµÄÑõÔ×ÓÖ®¼ä£¬1 mol K2O2ÔÚ·´Ó¦ÖÐתÒƵç×ÓΪ1 mol£¬0.1 mol K2O2ÓëË®·´Ó¦Ê±×ªÒƵç×ÓÊýΪ0.1NA¡£
12²»ÕýÈ·£¬ÓÉÓÚNA¸öÑõ·Ö×ÓµÄÖÊÁ¿ÔÚÊýÖµÉϵÈÓÚËüµÄĦ¶ûÖÊÁ¿£¬NA¸öÇâ·Ö×ÓµÄÖÊÁ¿ÔÚÊýÖµÉϵÈÓÚËüµÄĦ¶ûÖÊÁ¿£¬ËùÒÔ¶þÕßµÄÖÊÁ¿±ÈΪ32¡Ã2=16¡Ã1¡£
´ð°¸:B
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com