19£®N£¨NO2£©3ÊÇ¿Æѧ¼Ò2011Äê·¢ÏÖµÄÒ»ÖÖÐÂÐÍ»ð¼ýȼÁÏ£®ÊÔ¼ÆË㣺
£¨1£©Ò»¸öN£¨NO2£©3·Ö×ÓÖÐÒ»¹²ÓÐ10¸öÔ­×Ó£®
£¨2£©N£¨NO2£©3µÄÏà¶Ô·Ö×ÓÖÊÁ¿152£®
£¨3£©N£¨NO2£©3Öеª¡¢ÑõÁ½ÖÖÔªËصÄÖÊÁ¿±ÈΪ7£º12
£¨4£©N£¨NO2£©3ÖеªÔªËصÄÖÊÁ¿·ÖÊý36.8%£¨¾«È·µ½0.1%£©
£¨5£©76g N£¨NO2£©3º¬µªÔªËصÄÖÊÁ¿ÊÇ28g
£¨6£©ÖÊÁ¿Îª38gµÄN£¨NO2£©3ÖꬵªÔªËصÄÖÊÁ¿Îª14g£®

·ÖÎö £¨1£©¸ù¾Ý·Ö×ӵĹ¹³É·ÖÎö£»
£¨2£©¸ù¾ÝÎïÖʵÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª×é³É·Ö×ӵĸ÷Ô­×ÓµÄÏà¶ÔÔ­×ÓÖÊÁ¿Ö®ºÍ½â¾ö£»
£¨3£©ÒÀ¾ÝÔªËصÄÖÊÁ¿±ÈµÈÓÚ¸÷ÔªËØÏà¶ÔÔ­×ÓÖÊÁ¿ºÍµÄ±È·ÖÎö½â´ð¼´¿É£»
£¨4£©¸ù¾Ý»¯ºÏÎïÖÐÔªËصÄÖÊÁ¿·ÖÊý$\frac{Ïà¶ÔÔ­×ÓÖÊÁ¿¡ÁÔ­×Ó¸öÊý}{Ïà¶Ô·Ö×ÓÖÊÁ¿}$¡Á100%£¬½øÐзÖÎöÅжϣ»
£¨5£©¸ù¾Ý»¯ºÏÎïÖÐijԪËصÄÖÊÁ¿=¸Ã»¯ºÏÎïµÄÖÊÁ¿¡Á¸Ã»¯ºÏÎïÖиÃÔªËصÄÖÊÁ¿·ÖÊý£¬½øÐзÖÎöÅжϣ»
£¨6£©¸ù¾Ý»¯ºÏÎïÖÐijԪËصÄÖÊÁ¿=¸Ã»¯ºÏÎïµÄÖÊÁ¿¡Á¸Ã»¯ºÏÎïÖиÃÔªËصÄÖÊÁ¿·ÖÊý£¬½øÐзÖÎöÅжϣ®

½â´ð ½â£º£¨1£©1¸öN£¨NO2£©3·Ö×ÓÖк¬ÓеÄÔ­×Ó¸öÊýΪ1+£¨1+2£©¡Á3=10£»
£¨2£©N£¨NO2£©3µÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª14+£¨14+16¡Á2£©¡Á3=152£»
£¨3£©ÒÀ¾ÝÔªËصÄÖÊÁ¿±ÈµÈÓÚ¸÷ÔªËØÏà¶ÔÔ­×ÓÖÊÁ¿ºÍµÄ±È£¬ËùÒÔN£¨NO2£©3ÖеªÔªËغÍÑõÔªËصÄÖÊÁ¿±ÈÊÇ14¡Á4£º16¡Á6=7£º12£»
£¨4£©N£¨NO2£©3ÖеªÔªËصÄÖÊÁ¿·ÖÊýΪ$\frac{14¡Á4}{152}$¡Á100%¡Ö36.8%£»
£¨5£©76g N£¨NO2£©3º¬µªÔªËصÄÖÊÁ¿ÊÇ£º76g¡Á$\frac{14¡Á4}{152}$¡Á100%=28g£»
£¨6£©º¬µªÔªËصÄÖÊÁ¿Îª14gµÄN£¨NO2£©3µÄÖÊÁ¿Îª£º14g¡Â$\frac{14¡Á4}{152}$¡Á100%=38g£»
¹Ê´ð°¸Îª£º£¨1£©10£»£¨2£©152£»£¨3£©7£º12£»£¨4£©36.8%£»£¨5£©28g£»£¨6£©38g£®

µãÆÀ ±¾ÌâÄѶȲ»´ó£¬¿¼²éͬѧÃǽáºÏÐÂÐÅÏ¢¡¢Áé»îÔËÓû¯Ñ§Ê½µÄº¬Òå¡¢ÓйؼÆËã½øÐзÖÎöÎÊÌâ¡¢½â¾öÎÊÌâµÄÄÜÁ¦£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

12£®ÏÂÁÐÓйØ̼ºÍ̼µÄÑõ»¯ÎïµÄ˵·¨ÖУ¬´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®¹Å´ú×Ö»­³¤¾Ã²»±äÉ«ÊÇÒòΪ³£ÎÂÏÂ̼µÄ»¯Ñ§ÐÔÖʲ»»îÆÃ
B£®ÓÃú»ðȡůʱӦעÒâͨ·ç£¬·ÀÖ¹Ò»Ñõ»¯Ì¼Öж¾
C£®¶þÑõ»¯Ì¼µÄÅÅ·ÅÊǵ¼ÖÂËáÓêµÄÔ­Òò
D£®½ð¸ÕʯºÍʯīÎïÀíÐÔÖʲ»Í¬£¬ÊÇÒòΪËûÃǵÄ̼ԭ×ÓÅÅÁз½Ê½²»Í¬

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

10£®ÏÂÁÐÎïÖÊÔÚ¿ÕÆø»òÑõÆøÖÐȼÉÕʱµÄʵÑéÏÖÏóÃèÊöÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®Ï¸ÌúË¿ÔÚ¿ÕÆøÀï¾çÁÒȼÉÕ£¬»ðÐÇËÄÉ䣬Éú³ÉºÚɫͬÌåÎïÖÊ
B£®ÁòÔÚÑõÆøÖÐȼÉÕ£¬·¢³ö»ÆÉ«»ðÑ棬Éú³ÉÎÞÉ«Óд̼¤ÐÔÆøζµÄÆøÌå
C£®Á×ÔÚ¿ÕÆøÖÐȼÉÕʱ²úÉú´óÁ¿µÄ°×Îí
D£®Ä¾Ì¿ÔÚÑõÆøÖÐȼÉÕ£¬·¢³ö°×¹â£¬·Å³öÈȾ°£¬²úÉúÄÜʹ³ÎÇåʯ»ÒË®±ä»ë×ǵÄÆøÌå

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ

7£®½ðÊôÓÃ;¹ã·º£¬Æä½á¹¹ºÍÐÔÖʵÈÊÇ»¯Ñ§µÄÖØÒªÑо¿ÄÚÈÝ£®
£¨1£©Ä³»¯Ñ§Ð¡×éÓÃÒ»¶¨Á¿AgNO3ºÍAl£¨NO3£©3»ìºÏÈÜÒº½øÐÐÁËÈçͼ1ʵÑ飬ÒÑÖªÈÜÒº¼×³ÊÀ¶É«£¬Ïò¹ÌÌåÒÒÉϵμÓÑÎËáʱûÓУ¨Ìî¡°ÓС±»ò¡°Ã»ÓС±£©ÆøÅݲúÉú£®
¢ÙÈÜÒº¼×ÖÐÒ»¶¨º¬ÓÐÄÄЩÈÜÖÊ£¿Al£¨NO3£©3¡¢Zn£¨NO3£©2¡¢Cu£¨NO3£©2£¨Ð´»¯Ñ§Ê½£©
¢ÚÇëд³ö¸ÃʵÑé¹ý³ÌÖÐËù·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽZn+2AgNO3=Zn£¨NO3£©2+2Ag¡¢Cu+2AgNO3=Cu£¨NO3£©2+2Ag£®
£¨2£©Èçͼ2Êǹ¤ÒµÁ¶ÌúʾÒâͼ£®ÆäÖУ¬½¹Ì¿µÄ×÷ÓÃÊÇȼÉÕÌṩÈÈÁ¿ºÍÓë¶þÑõ»¯Ì¼·´Ó¦Éú³ÉÒ»Ñõ»¯Ì¼£»ÓÐÌúÉú³ÉµÄ»¯Ñ§·½³ÌʽΪFe2O3+3CO$\frac{\underline{\;¸ßÎÂ\;}}{\;}$2Fe+3CO2£®
£¨3£©Ä³¹¤³§ÀûÓ÷ÏÌúмÓë·ÏÁòËáÆð·´Ó¦À´ÖÆÈ¡ÁòËáÑÇÌú£®ÏÖÓзÏÁòËᣨÈÜÖÊÖÊÁ¿·ÖÊýΪ10%£©49t£¬Óë×ãÁ¿·ÏÌúмÆð·´Ó¦£¬¿ÉÉú²úÁòËáÑÇÌúµÄÖÊÁ¿ÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

14£®ÏÂÁи÷ͼÖСðºÍ¡ñ·Ö±ð±íʾ²»Í¬ÔªËصÄÔ­×Ó£¬ÆäÖбíʾ»¯ºÏÎïµÄÊÇ£¨¡¡¡¡£©
A£®B£®C£®D£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

4£®ÏÂÁÐÎïÖÊÖÐÊôÓÚ´¿¾»ÎïµÄÊÇ£¨¡¡¡¡£©
A£®Ï¡ÓÐÆøÌåB£®µªÆøC£®È˺ô³öµÄÆøÌåD£®¾»»¯ºóµÄ¿ÕÆø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

11£®ÏÂÁÐʵÑé·½°¸ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÓõãȼµÄ·½·¨³ýÈ¥CO2ÖеÄCOÆøÌåB£®¼ø±ðN2ºÍCO2ÆøÌåÓóÎÇåʯ»ÒË®
C£®ÓÃп·Û³ýÈ¥FeCl2ÈÜÒºÖеÄCuCl2D£®ÓÃÏ¡ÁòËá³ýÈ¥Ìú·ÛÖеÄͭм

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

8£®ÈçͼÊÇ¿ÕÆøÖÐÑõÆøº¬Á¿²â¶¨ÊµÑ飬»Ø´ðÏÂÁÐÎÊÌ⣮
£¨1£©Ð´³ö·´Ó¦ÖеĻ¯Ñ§·½³ÌʽÁ×+ÑõÆø$\stackrel{µãȼ}{¡ú}$ÎåÑõ»¯¶þÁ×£»
£¨2£©ÊµÑéÖУ¬ÈôÉìÈëºìÁ×ËٶȹýÂý£¬»áµ¼Ö½øË®Á¿Æ«¶à£¨Ñ¡Ìî¡°Æ«ÉÙ¡±»ò¡°Æ«¶à¡±£©£»
£¨3£©¸ÃʵÑé¿ÉµÃ³öµÄ½áÂÛÊÇ£ºÑõÆøÔ¼Õ¼¿ÕÆøÌå»ýµÄ$\frac{1}{5}$£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

9£®ÈÏÕæ·ÖÎöÈçͼ»Ø´ðÓйØÎÊÌ⣺

£¨1£©Í¼AΪ¸ÆÔªËØÔÚÔªËØÖÜÆÚ±íÖеIJ¿·ÖÐÅÏ¢£¬ÓÉ´Ë¿ÉÖª¸ÆÔªËØΪ½ðÊô£¨Ìî¡°½ðÊô¡±¡¢
¡°·Ç½ðÊô¡±£©ÔªËØ£¬ËüµÄÖÊ×ÓÊýÊÇ20£¬ÖÐ×ÓÊýÊÇ20£¬Ïà¶ÔÔ­×ÓÖÊÁ¿ÊÇ40.08£®
£¨2£©Í¼BΪ¸ÆÔ­×ӵĽṹʾÒâͼ£¬·ÖÎöºó»Ø´ð£º
¢ÙXµÄÊýֵΪ20£®
¢Ú¸ÆÔ­×ÓÔÚ»¯Ñ§·´Ó¦ÖÐÈÝÒ×ʧȥµç×Ó£¬ÕâÒ»ÐÔÖÊÓëC¡¢DÖеÄCÏàËÆ£®
£¨3£©DËù±íʾµÄÁ£×Ó·ûºÅÊÇCa2+£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸