16£®µªÔªËØ¿ÉÐγÉÇ⻯Î±»¯Îï¡¢µª»¯Îï¡¢µþµª»¯ÎïºÍÅäºÏÎïµÈ¶àÖÖ»¯ºÏÎ
£¨1£©ë£¨N2H4£©¿ÉÓÃ×÷»ð¼ýȼÁÏ£¬ÆäÔ­ÀíÊÇ£ºN2O4£¨l£©+2N2H4£¨l£©=3N2£¨g£©+4H2O£¨g£©£¬Èô·´Ó¦ÖÐÓÐ4mol N-H¼ü¶ÏÁÑ£¬ÔòÐγɵĦмüÓÐ3mol£¬N2H4µÄ·Ðµã±ÈC2H6µÄÖ÷ÒªÔ­ÒòÊÇN2H4¼äÄÜÐγɷÖ×Ó¼äÇâ¼ü£®
£¨2£©F2ºÍ¹ýÁ¿NH3ÔÚÍ­´ß»¯×÷ÓÃÏ·´Ó¦Éú³ÉNF3£¬NF3·Ö×ӵĿռ乹ÐÍΪÈý½Ç׶ÐΣ®
£¨3£©ÌúºÍ°±ÆøÔÚ640¡æ¿É·¢ÉúÖû»·´Ó¦£¬²úÎïÖ®Ò»µÄ¾§°û½á¹¹¼ûͼ£®Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º8Fe+2NH3$\frac{\underline{\;640¡æ\;}}{\;}$2Fe4N+3H2£®


£¨4£©µþµª»¯ÄÆ£¨NaN3£©·Ö½â·´Ó¦Îª£º2NaN3£¨s£©=2Na£¨l£©+3N2£¨g£©£¬ÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ
c£¨ÌîÐòºÅ£©£®
a£®³£ÎÂÏ£¬N2ºÜÎȶ¨£¬ÊÇÒòΪNµÄµçÀëÄÜ´ó
b£®Äƾ§°û½á¹¹¼ûͼ2£¬Ã¿¸ö¾§°ûº¬ÓÐ5¸öÄÆÔ­×Ó
c£®µÚÒ»µçÀëÄÜ£¨I1£©£ºN£¾O£¾P£¾S
d£®NaN3ÓëKN3½á¹¹ÀàËÆ£¬¾§¸ñÄÜ£ºNaN3£¼KN3
£¨5£©ÅäºÏÎïYµÄ½á¹¹¼ûͼ3£¬YÖк¬ÓÐa b c d£¨ÌîÐòºÅ£©£»
a£®¼«ÐÔ¹²¼Û¼ü    b£®·Ç¼«ÐÔ¹²¼Û¼ü    c£®Åäλ¼ü    d£®Çâ¼ü
YÖÐ̼ԭ×ÓµÄÔÓ»¯·½Ê½ÓÐsp2¡¢sp3£®

·ÖÎö £¨1£©·´Ó¦ÖÐÓÐ4mol N-H¼ü¶ÏÁÑ£¬Éú³É1.5molN2£¬¸ù¾Ý½á¹¹Ê½N¡ÔNÅжϣ»·Ö×Ӽ京ÓÐÇâ¼üµÄ·Ðµã½Ï¸ß£»
£¨2£©¸ù¾Ý·Ö×ÓÖЦļüºÍ¹Âµç×Ó¶ÔÊýÅжÏÔÓ»¯ÀàÐͺͷÖ×ӵĿռ乹ÐÍ£»
£¨3£©ÌúºÍ°±ÆøÔÚ640¡æ¿É·¢ÉúÖû»·´Ó¦Éú³ÉµªÆøºÍµª»¯Ìú£¬ÀûÓþù̯·¨È·¶¨µª»¯ÌúµÄ»¯Ñ§Ê½£¬¸ù¾Ýζȡ¢·´Ó¦ÎïºÍÉú³ÉÎïд³ö·´Ó¦·½³Ìʽ£»
£¨4£©a£®¸ù¾ÝµªÆøÖеĹ²¼Û¼ü·ÖÎö£»
b£®ÀûÓþù̯·¨È·¶¨Æ侧°ûÖеÄÔ­×ÓÊý£»
c£®·Ç½ðÊôÐÔԽǿ£¬µÚÒ»µçÀëÄÜÔ½´ó£¬Í¬ÖÜÆÚ´Ó×óµ½ÓÒµÚÒ»µçÀëÄÜÔö´ó£¬µÚIIAÓëµÚIIIA£¬µÚVA×åÓëµÚVIA·´³££»
d£®Àë×Ӱ뾶ԽС£¬¾§¸ñÄÜÔ½´ó£»
£¨5£©¸ù¾Ýͼ¿É֪̼̼¼ä¡¢Ì¼µª¼äΪ¹²¼Û¼ü£¬µªÄø¼äΪÅäλ¼ü£¬ÑõÇâ¼äÓÐÇâ¼ü£»¸ù¾Ý̼ԭ×ӳɼüÀàÐÍÅжϣ®

½â´ð ½â£º£¨1£©1molµªÆø·Ö×ÓÖк¬ÓÐ2mol¦Ð¼ü£¬Èô¸Ã·´Ó¦ÖÐÓÐ4mol-H¼ü¶ÏÁÑ£¬¼´ÓÐ1molë²μӷ´Ó¦£¬Éú³É1.5molµªÆø£¬ËùÒÔÐγɵĦмüÓÐ1.5mol¡Á2=3mol£¬N2H4·Ö×Ó¼ä¿ÉÐγÉÇâ¼ü£¬¶øÒÒÍé·Ö×Ӽ䲻ÄÜÐγÉÇâ¼ü£¬·Ö×Ӽ京ÓÐÇâ¼üµÄ·Ðµã½Ï¸ß£¬ËùÒÔN2H4·Ðµã£¨113.5¡æ£©±ÈÒÒÍé·Ðµã£¨-88.6¡æ£©¸ßµÃ¶à£¬
¹Ê´ð°¸Îª£º3£»N2H4¼äÄÜÐγɷÖ×Ó¼äÇâ¼ü£»
£¨2£©NF3Öк¬ÓÐ3¸ö¦Ä¼ü£¬Çҹµç×Ó¶ÔÊýΪ$\frac{5-3}{2}$=1£¬ÔòӦΪsp3ÔÓ»¯£¬¿Õ¼ä¹¹ÐÍΪÈý½Ç׶ÐΣ¬
¹Ê´ð°¸Îª£ºÈý½Ç׶ÐΣ»
£¨3£©¸Ã¾§°ûÖÐÌúÔ­×Ó¸öÊý=8¡Á$\frac{1}{8}$£¬µªÔ­×Ó¸öÊýÊÇ1£¬ËùÒÔµª»¯ÌúµÄ»¯Ñ§Ê½ÊÇFe4N£¬ÌúºÍ°±ÆøÔÚ640¡æ¿É·¢ÉúÖû»·´Ó¦Éú³ÉµªÆøºÍµª»¯Ìú£¬ËùÒԸ÷´Ó¦·½³ÌʽΪ£º8Fe+2NH3$\frac{\underline{\;640¡æ\;}}{\;}$2Fe4N+3H2£¬
¹Ê´ð°¸Îª£º8Fe+2NH3$\frac{\underline{\;640¡æ\;}}{\;}$2Fe4N+3H2£»
£¨4£©a£®µªÆøÖдæÔÚN¡ÔN£¬N¡ÔNµÄ¼üÄܴܺ󣬲»ÈÝÒ׶ÏÁÑ£¬ËùÒÔN2ºÜÎȶ¨£¬¹Êa´íÎó£»
b£®Äƾ§°ûÖÐNaÕ¼¾Ý8¸ö¶¥µãºÍÖÐÐÄ£¬¸ù¾Ý¾ù̯·¨È·¶¨Æ侧°ûÖеÄÔ­×ÓÊýΪ£º8¡Á$\frac{1}{8}$+1=2£¬¹Êb´íÎó£»
c£®·Ç½ðÊôÐÔԽǿ£¬µÚÒ»µçÀëÄÜÔ½´ó£¬Í¬ÖÜÆÚ´Ó×óµ½ÓÒµÚÒ»µçÀëÄÜÔö´ó£¬µÚIIAÓëµÚIIIA£¬µÚVA×åÓëµÚVIA·´³££¬ËùÒÔµÚÒ»µçÀëÄÜ£ºN£¾O£¾P£¾S£¬¹ÊcÕýÈ·£»
d£®Àë×Ӱ뾶ԽС£¬¾§¸ñÄÜÔ½´ó£¬°ë¾¶£ºNa+£¼K+£¬Ôò¾§¸ñÄÜ£ºNaN3£¾KN3£¬¹Êd´íÎó£»
¹Ê´ð°¸Îª£ºc£»
£¨5£©¸ù¾Ýͼ¿É֪̼̼¼äÐγɷǼ«ÐÔ¹²¼Û¼ü¡¢Ì¼µª¼äΪ¼«ÐÔ¹²¼Û¼ü£¬µªÄø¼äΪÅäλ¼ü£¬ÑõÇâ¼äÐγÉÇâ¼ü£¬¸ù¾Ýͼ¿ÉÖª£¬Ì¼Ì¼¼äÐγɵ¥¼ü£¬Îªsp3ÔÓ»¯£¬ÓеÄ̼̼¼äÐγÉË«¼ü£¬Îªsp2ÔÓ»¯£¬
¹Ê´ð°¸Îª£ºabcd£»sp3¡¢sp2£®

µãÆÀ ±¾Ìâ×ÛºÏÐÔ½ÏÇ¿£¬Éæ¼°»¯Ñ§¼ü¡¢ÔÓ»¯¹ìµÀ¡¢¾§°û¼ÆËãµÈ£¬ÌâÄ¿ÄѶÈÖеȣ¬×¢ÒâÔËÓÃÔÓ»¯ÀíÂÛÍƵ¼·Ö×Ó¹¹ÐÍ£¬ÎªÒ×´íµã£¬²àÖØÓÚ¿¼²éѧÉú¶ÔËùѧ֪ʶµÄ×ÛºÏÓ¦ÓÃÄÜÁ¦£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

6£®Ä³Ð¡×éÒÔCoCl2•6H2O¡¢NH4Cl¡¢H2O2¡¢Å¨°±Ë®ÎªÔ­ÁÏ£¬ÔÚ»îÐÔÌ¿´ß»¯Ï£¬ºÏ³ÉÁ˳ȻÆÉ«¾§ÌåX£®ÎªÈ·¶¨Æä×é³É£¬½øÐÐÈçÏÂʵÑ飮
¢Ù°±µÄ²â¶¨£º¾«È·³ÆÈ¡w g X£¬¼ÓÊÊÁ¿Ë®Èܽ⣬עÈëÈçͼËùʾµÄÈý¾±Æ¿ÖУ¬È»ºóÖðµÎ¼ÓÈë×ãÁ¿10%NaOHÈÜÒº£¬Í¨ÈëË®ÕôÆø£¬½«ÑùÆ·ÒºÖеݱȫ²¿Õô³ö£¬ÓÃV1 mL cl mol•L-1µÄÑÎËá±ê×¼ÈÜÒºÎüÊÕ£®Õô°±½áÊøºóȡϽÓÊÕÆ¿£¬ÓÃc2 mol•L-1NaOH±ê×¼ÈÜÒºµÎ¶¨¹ýÊ£µÄHCl£¬µ½ÖÕµãʱÏûºÄV2 mL NaOHÈÜÒº£®

°±µÄ²â¶¨×°Öã¨ÒÑÊ¡ÂÔ¼ÓÈȺͼгÖ×°Öã©
¢ÚÂȵIJⶨ£º×¼È·³ÆÈ¡ÑùÆ·X£¬Åä³ÉÈÜÒººóÓÃAgNO3±ê×¼ÈÜÒºµÎ¶¨£¬K2CrO4ÈÜҺΪָʾ¼Á£¬ÖÁ³öÏÖµ­ºìÉ«³Áµí²»ÔÙÏûʧΪÖյ㣨Ag2CrO4ΪשºìÉ«£©£®
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©×°ÖÃÖа²È«¹ÜµÄ×÷ÓÃÔ­ÀíÊǵ±AÖÐѹÁ¦¹ý´óʱ£¬°²È«¹ÜÖÐÒºÃæÉÏÉý£¬Ê¹AÆ¿ÖÐѹÁ¦Îȶ¨£®
£¨2£©ÓÃNaOH±ê×¼ÈÜÒºµÎ¶¨¹ýÊ£µÄHClʱ£¬Ó¦Ê¹ÓüîʽµÎ¶¨¹Ü£¬¿ÉʹÓõÄָʾ¼ÁΪ·Ó̪£¨»ò¼×»ùºì£©£®
£¨3£©ÑùÆ·Öа±µÄÖÊÁ¿·ÖÊý±í´ïʽΪ$\frac{£¨{C}_{1}{V}_{1}-{C}_{2}{V}_{2}£©¡Á1{0}^{-3}mol¡Á17g/mol}{wg}$¡Á100%£®
£¨4£©²â¶¨°±Ç°Ó¦¸Ã¶Ô×°ÖýøÐÐÆøÃÜÐÔ¼ìÑ飬ÈôÆøÃÜÐÔ²»ºÃ²â¶¨½á¹û½«Æ«µÍ£¨Ìî¡°Æ«¸ß¡±»ò¡°Æ«µÍ¡±£©£®
£¨5£©²â¶¨ÂȵĹý³ÌÖУ¬Ê¹ÓÃ×ØÉ«µÎ¶¨¹ÜµÄÔ­ÒòÊÇ·ÀÖ¹ÏõËáÒø¼û¹â·Ö½â£»µÎ¶¨ÖÕµãʱ£¬ÈôÈÜÒºÖÐc£¨Ag+£©=2.0¡Á10-5 mol•L-1£¬c£¨CrO42-£©Îª2.8¡Á10-3mol•L-1£®ÒÑÖª£ºKsp£¨Ag2CrO4£©=1.12¡Á10-12
£¨6£©¾­²â¶¨£¬ÑùÆ·XÖÐîÜ¡¢°±ºÍÂȵÄÎïÖʵÄÁ¿Ö®±ÈΪ1£º6£º3£¬îܵĻ¯ºÏ¼Û+3£¬ÖƱ¸XµÄ»¯Ñ§·½³ÌʽΪ2CoCl2+2NH4Cl+10NH3+H2O2¨T2[Co£¨NH3£©6]Cl3+2H2O£»XµÄÖƱ¸¹ý³ÌÖÐζȲ»Äܹý¸ßµÄÔ­ÒòÊÇζȹý¸ß¹ýÑõ»¯Çâ·Ö½â¡¢°±ÆøÒݳö£¬¶¼»áÔì³É²âÁ¿½á¹û²»×¼È·£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

7£®ÊµÑéÊÒ³£ÓÃÍ­ÓëÏ¡ÏõËáÖÆÈ¡NOÆøÌ壺3Cu+8HNO3¨T3Cu£¨NO3£©2+2NO¡ü+4H2O£¬¸Ã·´Ó¦µÄÑõ»¯¼ÁÊÇHNO3£¬Ñõ»¯²úÎïÊÇCu£¨NO3£©2£¬»¹Ô­²úÎïÊÇNO£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

4£®ÏÂÁÐÓйØÎïÖʼìÑéµÄʵÑé½áÂÛÕýÈ·µÄÊÇ£¨¡¡¡¡£©
Ñ¡Ïîʵ Ñé ²Ù ×÷ ¼° ÏÖ Ïóʵ Ñé ½á ÂÛ
AÏòijÈÜÒºÖмÓÈëÑÎËáËữµÄÂÈ»¯±µÈÜÒº£¬Óа×É«³ÁµíÉú³É¸ÃÈÜÒºÖÐÒ»¶¨º¬ÓÐSO${\;}_{4}^{2-}$
BÏòijÈÜÒºÖмÓÈëÑÎËᣬÄܲúÉúʹ³ÎÇåʯ»ÒË®±ä»ë×ǵÄÆøÌå ¸ÃÈÜÒºÖÐÒ»¶¨º¬CO32-
CÏòijÈÜÒºÖмÓÈëÊÊÁ¿NaOHÏ¡ÈÜÒº£¬½«ÊªÈóµÄºìɫʯÈïÊÔÖ½·ÅÔÚÊԹܿڣ¬ÊÔÖ½²»±äÉ«¸ÃÈÜÒºÖÐÒ»¶¨²»º¬NH4+
DÓøÉÔï½à¾»µÄ²¬Ë¿ÕºÈ¡Ä³ÈÜÒº·ÅÔھƾ«µÆ»ðÑæÉÏ×ÆÉÕ£¬Í¸¹ýÀ¶É«îܲ£Á§¹Û²ìµ½»ðÑæ³Ê×ÏÉ«¸ÃÈÜÒºÒ»¶¨º¬ÓмØÔªËØ£¬¿ÉÄܺ¬ÓÐÄÆÔªËØ
A£®AB£®BC£®CD£®D

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

11£®ÈçͼÊÇÎÒУʵÑéÊÒ»¯Ñ§ÊÔ¼ÁŨÁòËá±êÇ©ÉϵIJ¿·ÖÄÚÈÝ£®ÏÖÐèÒª480mL 1mol•L-1µÄÏ¡ÁòËᣮÓøÃŨÁòËáºÍÕôÁóË®ÅäÖÆ£¬¿É¹©Ñ¡ÓõÄÒÇÆ÷ÓУº¢Ù½ºÍ·µÎ¹Ü£»¢Ú²£Á§°ô£»¢ÛÉÕ±­£»¢ÜÁ¿Í²£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÅäÖÆÏ¡ÁòËáʱ£¬»¹È±ÉÙµÄÒÇÆ÷ÓÐ500mLÈÝÁ¿Æ¿£¨Ð´ÒÇÆ÷Ãû³Æ£©£®
£¨2£©¸ÃŨÁòËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ18.4 mol/L£»ËùÐèŨÁòËáµÄÌå»ýԼΪ27.2mL£»
£¨3£©¶¨ÈÝʱ£¬Èô¼ÓÈëµÄË®³¬¹ý¿Ì¶ÈÏߣ¬±ØÐë²ÉÈ¡µÄ´ëÊ©ÊÇÖØÐÂÅäÖÆ
£¨4£©ÏÂÁвÙ×÷¶ÔH2SO4µÄÎïÖʵÄÁ¿Å¨¶ÈÓÐʲôӰÏ죨ƫ¸ß¡¢Æ«µÍ»òÎÞÓ°Ï죩£¿
¢ÙתÒÆÈÜÒººó£¬Î´Ï´µÓÉÕ±­£ºÆ«µÍ£»
¢ÚÈÝÁ¿Æ¿ÓÃˮϴ¾»ºóδºæ¸É£ºÎÞÓ°Ï죻
¢Û¶¨ÈÝʱ¸©ÊÓÈÝÁ¿Æ¿µÄ¿Ì¶ÈÏߣºÆ«¸ß£»
¢Ü佫ÉÕ±­ÖеÄÈÜÒºÀäÈ´¼´×¢ÈëÈÝÁ¿Æ¿£ºÆ«¸ß£®
£¨5£©ÔÚÅäÖùý³ÌÖУ¬ÏÂÁвÙ×÷²»ÕýÈ·µÄÊÇ£¨ÌîÐòºÅ£©BC£®
A£®Ê¹ÓÃÈÝÁ¿Æ¿Ç°¼ì²éËüÊÇ·ñ©ˮ
B£®ÈÝÁ¿Æ¿ÓÃÕôÁóˮϴ¾»ºó£¬ÔÙÓôýÅäÒºÈóÏ´
C£®½«×¼È·Á¿È¡µÄŨÁòËᣬעÈëÒÑÊ¢ÓÐ100mLË®µÄ500mLµÄÈÝÁ¿Æ¿ÖУ¬¼ÓË®ÖÁ¿Ì¶ÈÏߣ®
D£®½«ÁòËáÈÜÓÚË®ºóÐèÀäÈ´ÖÁÊÒÎÂÔÙתÒƵ½ÈÝÁ¿Æ¿ÖÐ
E£®¶¨ÈݺóÈûºÃÆ¿Èû£¬ÓÃʳָ¶¥×¡Æ¿Èû£¬ÓÃÁíÒ»Ö»ÊÖµÄÊÖÖ¸ÍÐסƿµ×£¬°ÑÈÝÁ¿Æ¿µ¹×ªÒ¡ÔÈ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

1£®ÒÑÖª£¬Ê¯Ä«ÔÚÒ»¶¨Ìõ¼þÏ¿Éת»¯Îª½ð¸Õʯ£¬ÒÑÖª12gʯīÍêȫת»¯Îª½ð¸Õʯʱ£¬ÒªÎüÊÕ1.91kJµÄÈÈÁ¿£¬¾Ý´ËÅжϣ¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÓÉʯīÖƱ¸½ð¸ÕʯÊÇÎüÈÈ·´Ó¦£»µÈÖÊÁ¿Ê±£¬Ê¯Ä«µÄÄÜÁ¿±È½ð¸ÕʯµÄµÍ
B£®ÓÉʯīÖƱ¸½ð¸ÕʯÊÇÎüÈÈ·´Ó¦£»µÈÖÊÁ¿Ê±£¬Ê¯Ä«µÄÄÜÁ¿±È½ð¸ÕʯµÄ¸ß
C£®ÓÉʯīÖƱ¸½ð¸ÕʯÊÇ·ÅÈÈ·´Ó¦£»µÈÖÊÁ¿Ê±£¬Ê¯Ä«µÄÄÜÁ¿±È½ð¸ÕʯµÄµÍ
D£®ÓÉʯīÖƱ¸½ð¸ÕʯÊÇ·ÅÈÈ·´Ó¦£»µÈÖÊÁ¿Ê±£¬Ê¯Ä«µÄÄÜÁ¿±È½ð¸ÕʯµÄ¸ß

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

8£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÌÇÀà¡¢ÓÍÖ¬¡¢µ°°×Öʶ¼ÊÇÓÉC¡¢H¡¢OÈýÖÖÔªËØ×é³ÉµÄ
B£®ÌÇÀà¡¢ÓÍÖ¬¡¢µ°°×Öʶ¼ÊÇÌìÈ»µÄ¸ß·Ö×Ó»¯ºÏÎï
C£®Ö²ÎïÓÍÄÜʹäåË®ÍÊÉ«£¬Ç⻯£¨¼ÓÇ⣩¿ÉÒÔ±äΪ֬·¾
D£®µí·Û¡¢µ°°×ÖÊÈÜÒº¾ùÔÈ¡¢Îȶ¨£¬²»²úÉú¶¡´ï¶ûЧӦ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

5£®ÔÚ0.5LNaClÈÜÒºÖк¬ÓÐ58.5gNaCl£¬¸ÃÈÜÒºÖÐÈÜÖʵÄÎïÖʵÄÁ¿Å¨¶ÈΪ£¨¡¡¡¡£©
A£®2.0mol/LB£®1.0mol/LC£®0.5mol/LD£®0.2mol/L

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

2£®¹ýÑõ»¯¸Æ£¨CaO2£©ÊÇÒ»ÖÖ°×É«¡¢ÎÞ¶¾¡¢ÄÑÈÜÓÚË®µÄ¹ÌÌ壬ÄÜɱ¾úÏû¶¾£¬¹ã·ºÓÃÓÚ¹ûÊß±£ÏÊ¡¢¿ÕÆø¾»»¯¡¢ÎÛË®´¦ÀíµÈ·½Ã森¹¤ÒµÉú²ú¹ý³ÌÈçÏ£º
¢ÙÔÚNH4ClÈÜÒºÖмÓÈëCa£¨OH£©2£»
¢Ú²»¶Ï½Á°èµÄͬʱ¼ÓÈë30% H2O2£¬·´Ó¦Éú³ÉCaO2•8H2O³Áµí£»
¢Û¾­¹ý³Â»¯¡¢¹ýÂË£¬Ë®Ï´µÃµ½CaO2•8H2O£¬ÔÙÍÑË®¸ÉÔïµÃµ½CaO2£®
Íê³ÉÏÂÁÐÌî¿Õ
£¨1£©µÚ¢Ú²½·´Ó¦µÄ»¯Ñ§·½³ÌʽΪCaCl2+H2O2+8H2O+2NH3=CaO2•8H2O¡ý+2NH4Cl£®
£¨2£©¿ÉÑ­»·Ê¹ÓõÄÎïÖÊÊÇNH4Cl£®
¹¤ÒµÉϳ£²ÉÓÃCa£¨OH£©2¹ýÁ¿¶ø²»ÊÇH2O2¹ýÁ¿µÄ·½Ê½À´Éú²ú£¬ÕâÊÇÒòΪCa£¨OH£©2¼Û¸ñµÍ£¬H2O2¼Û¸ñ½Ï¸ßÇÒÒ׷ֽ⣬¼îÐÔÌõ¼þÏÂÒÖÖÆCaO2•8H2OÈܽ⣮
£¨3£©¼ìÑéCaO2•8H2OÊÇ·ñÏ´¾»µÄ·½·¨ÊÇÈ¡Ï´µÓÒºÉÙÐí£¬ÏòÆäÖмÓÈëAgNO3ÈÜÒº£¬ÔٵμӼ¸µÎÏ¡ÏõËᣬÈôÎÞ°×É«³Áµí²úÉú£¬¾ÍÖ¤Ã÷Ï´µÓ¸É¾»£¬·ñÔòûÓÐÏ´µÓ¸É¾»£®
£¨4£©CaO2•8H2O¼ÓÈÈÍÑË®µÄ¹ý³ÌÖУ¬Ðè²»¶ÏͨÈë²»º¬¶þÑõ»¯Ì¼µÄÑõÆø£¬Ä¿µÄÊÇÒÖÖƹýÑõ»¯¸Æ·Ö½â¡¢·ÀÖ¹¹ýÑõ»¯¸ÆÓë¶þÑõ»¯Ì¼·´Ó¦£®
£¨5£©ÒÑÖªCaO2ÔÚ350¡æѸËÙ·Ö½âÉú³ÉCaOºÍO2£®ÈçͼÊÇʵÑéÊҲⶨ²úÆ·ÖÐCaO2º¬Á¿µÄ×°Ö㨼гÖ×°ÖÃÊ¡ÂÔ£©£®
ÈôËùÈ¡²úÆ·ÖÊÁ¿ÊÇm g£¬²âµÃÆøÌåÌå»ýΪV mL£¨ÒÑ»»Ëã³É±ê×¼×´¿ö£©£¬Ôò²úÆ·ÖÐCaO2µÄÖÊÁ¿·ÖÊýΪ$\frac{9V}{1400m}$£¨ÓÃ×Öĸ±íʾ£©£®¹ýÑõ»¯¸ÆµÄº¬Á¿Ò²¿ÉÓÃÖØÁ¿·¨²â¶¨£¬ÐèÒª²â¶¨µÄÎïÀíÁ¿ÓÐÑùÆ·ÖÊÁ¿¡¢ÍêÈ«·Ö½âºóÊ£Óà¹ÌÌåµÄÖÊÁ¿

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸