20£®£¨1£©µ±°ÑÁ½ÖÖË®£¨D2O¡¢H2O£©»ìÔÚÒ»Æð£¬Ôò»ìºÏºóÈÜÒºÖдæÔڵķÖ×ÓΪD2O¡¢H2O¡¢HDO£¬´æÔÚµÄÑôÀë×ÓΪD3O+¡¢H3O+¡¢H2DO+¡¢HD2O+£¨Ð´³ÉË®ºÏµÄÐÎʽ£©£¬´æÔÚµÄÒõÀë×ÓÓÐ2ÖÖ£®
£¨2£©Òº°±ÓëË®µÄµçÀëÏàËÆ£¬´æÔÚ×Å΢ÈõµÄµçÀ룺2NH3?NH${\;}_{4}^{+}$+NH${\;}_{2}^{-}$£®¶Ô¸ÃÌåϵµÄ˵·¨ÖÐÕýÈ·µÄÊÇAC£®
A£®Ò»¶¨Î¶ÈÏ£¬Òº°±ÖÐc£¨NH${\;}_{4}^{+}$£©Óëc£¨NH${\;}_{2}^{-}$£©µÄ³Ë»ýΪһ³£Êý
B£®Òº°±µÄµçÀë´ïµ½Æ½ºâʱ£¬c£¨NH3£©=c£¨NH${\;}_{4}^{+}$£©=c£¨NH${\;}_{2}^{-}$£©
C£®Ö»Òª²»¼ÓÈëÆäËûÎïÖÊ£¬Òº°±ÖÐc£¨NH${\;}_{4}^{+}$£©×ÜÊÇÓëc£¨NH${\;}_{2}^{-}$£©ÏàµÈ
D£®Òº°±Öк¬ÓÐNH3¡¢NH${\;}_{4}^{+}$¡¢NH${\;}_{2}^{-}$¡¢H2O¡¢NH3•H2OµÈ΢Á££®

·ÖÎö £¨1£©Ë®µÄµçÀëÊÇ¿ÉÄæµÄ£¬Ë®µçÀëÉú³ÉÇâÀë×ÓºÍÇâÑõ¸ù£¬ÇâÀë×ÓºÍÇâÑõ¸ù½áºÏÉú³ÉË®£»
£¨2£©A£®Òº°±ÖÐ c £¨NH4+£©Óë c £¨NH2-£©µÄ³Ë»ýÖ»ÓëζÈÓйأ»
B£®Òº°±µçÀë´ïµ½Æ½ºâ״̬ʱ£¬c £¨NH4+ £©=c £¨NH2- £©Ð¡ÓÚc £¨NH3 £©£»
C£®Ö»Òª²»ÆÆ»µ°±·Ö×ӵĵçÀëƽºâ£¬Òº°±ÖÐc £¨NH4+ £©=c £¨NH2- £©£»
D£®Òº°±ÖÐÒ²´æÔÚ×Å΢ÈõµÄµçÀ룺2NH3?NH4++NH2-£®

½â´ð ½â£º£¨1£©Ë®µÄµçÀëÊÇ¿ÉÄæµÄ£¬Ë®µçÀëÉú³ÉÇâÀë×ÓºÍÇâÑõ¸ù£¬ÇâÀë×ÓºÍÇâÑõ¸ù½áºÏÉú³ÉË®£¬ÈÜÒºÖдæÔڵķÖ×ÓΪD2O¡¢H2O¡¢HDO£»´æÔÚµÄÑôÀë×ÓΪD3O+¡¢H3O+¡¢H2DO+¡¢HD2O+£»´æÔÚµÄÒõÀë×ÓÓÐOH-¡¢OD-£¬¹Ê´ð°¸Îª£ºD2O¡¢H2O¡¢HDO£»D3O+¡¢H3O+¡¢H2DO+¡¢HD2O+£»2£»
£¨2£©A£®Ò»¶¨Î¶ÈÏ£¬Òº°±ÖÐc£¨NH4+£©Óëc£¨NH2-£©µÄ³Ë»ý¾ÍÊǸÃƽºâµÄƽºâ³£Êý£¬¹ÊAÕýÈ·£»
B£®Òº°±µÄµçÀë´ïµ½Æ½ºâʱ£¬ÓÐ c£¨NH2-£©=c£¨NH4+£©£¬µ«²»Ò»¶¨Óëc£¨NH3£©ÏàµÈ£¬¹ÊB´íÎó£»
C£®c£¨NH4+£©ºÍc£¨NH2-£©°´1£º1Éú³É£¬¹ÊÖ»Òª²»¼ÓÈëÆäËûÎïÖÊ£¬Òº°±ÖÐc£¨NH4+£©×ÜÊÇÓëc£¨NH2-£©ÏàµÈ£¬¹ÊCÕýÈ·£»
D£®´ÓµçÀëƽºâÖпÉÒÔ¿´³öÒº°±Öк¬ÓÐNH3¡¢NH4+ºÍNH2-¼¸ÖÖÁ£×Ó£¬²»´æÔÚH2O¡¢NH3•H2O£¬¹ÊD´íÎó£®
¹Ê´ð°¸Îª£ºAC£®

µãÆÀ ±¾Ì⿼²éÁ˵çÀëƽºâµÄÌØÕ÷¡¢Á£×ÓÖÖÀàµÄÅжϡ¢Æ½ºâ³£ÊýµÈ£¬ÌâÄ¿ÄѶȲ»´ó£¬Ñ§Ï°ÖÐ×¢ÒâÏà¹Ø»ù´¡ÖªÊ¶µÄ»ýÀÛ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ

5£®Ä³¶ÌÖÜÆÚÔªËØ×îµÍ¸º¼ÛΪ-2¼Û£¬¸ÃÔªËصÄÀë×Ó¸úÆäºËÍâµç×ÓÅŲ¼ÏàͬµÄÀë×ÓÐγɵĻ¯ºÏÎïÊÇ£¨¡¡¡¡£©
A£®K2SB£®MgOC£®MgSD£®H2O2

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

6£®ÏÂÁÐ˵·¨ÖдíÎóµÄÊÇ£¨¡¡¡¡£©
A£®ÈôXY4·Ö×ÓÖÐXÔ­×Ó´¦ÓÚÕýËÄÃæÌåµÄÖÐÐÄ£¬ÔòXY4·Ö×ÓΪ·Ç¼«ÐÔ·Ö×Ó
B£®C2H5OHÓëC2H5BrÏà±È£¬Ç°ÕßµÄÏà¶Ô·Ö×ÓÖÊÁ¿Ô¶Ð¡ÓÚºóÕߣ¬¶ø·ÐµãÈ´Ô¶¸ßÓÚºóÕߣ¬ÆäÔ­ÒòÊÇÇ°ÕߵķÖ×Ó¼ä´æÔÚÇâ¼ü
C£®CO2ÓëSiO2¾§ÌåÈÛ»¯Ê±£¬Ëù¿Ë·þµÄ΢Á£¼äÏ໥×÷ÓÃÏàͬ
D£®¶ÌÖÜÆÚÔªËØÀë×ÓaXm+ºÍbYn-¾ßÓÐÏàͬµÄµç×Ó²ã½á¹¹£¬Ôòa£¾b

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

8£®Ò»¶¨Ìõ¼þÏ£¬ÏÂÁÐÄÜÓëCH3CH2COOH·¢Éú·´Ó¦µÄÎïÖÊÊÇ£¨¡¡¡¡£©
¢Ù×ÏɫʯÈïÈÜÒº  ¢ÚÒÒ´¼  ¢Û±½  ¢Ü½ðÊôÄÆ  ¢ÝÑõ»¯Í­  ¢Þ̼Ëá¸Æ  ¢ßÇâÑõ»¯Ã¾ ¢àÒÒÍ飮
A£®¢Ù¢Û¢Ü¢Ý¢Þ¢ßB£®¢Ú¢Û¢Ü¢ÝC£®¢Ù¢Ú¢Ü¢Ý¢Þ¢ßD£®È«²¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

15£®½«2.8gÌú·ÛÓëÒ»¶¨Á¿µÄÏ¡ÏõËá΢ÈÈ·´Ó¦£¬Ìú·ÛÍêÈ«Èܽâºó£¬¹²ÊÕ¼¯µ½ÆøÌåÔ¼aL£¨¼ÙÉè×°ÖÃÖÐÎÞ²ÐÁô£¬ºöÂÔÏõËá·Ö½â£©£¬Èô½«¸ÃÆøÌåÓë672mLO2£¨ÆøÌå¾ùΪ±ê×¼×´¿ö£©»ìºÏͨÈëË®ÖÐÇ¡ºÃÈÜÓÚË®ÎÞÆøÌåÊ£Ó࣬ÔòaΪ0.896£¬ÈÜÒºÖÐÉú³ÉµÄÑεĻ¯Ñ§Ê½ÎªFe£¨NO3£©2¡¢Fe£¨NO3£©3£¬·´Ó¦ÖÐÏûºÄµÄHNO3µÄÎïÖʵÄÁ¿Îª0.16mol£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

5£®ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®0.1 mol•L-1NH4ClÈÜÒºµÄKW´óÓÚ0.01mol?L-1NH4ClÈÜÒºµÄKW
B£®µ±¶ÆÍ­ÌúÖÆÆ·¶Æ²ãÊÜËðºó£¬ÌúÖÆÆ·±ÈÊÜËðÇ°¸üÈÝÒ×ÉúÐâ
C£®N2£¨g£©+3H2£¨g£©?2NH3£¨g£©¡÷H£¼0£¬ÆäËûÌõ¼þ²»±äʱ£¬Éý¸ßζȣ¬·´Ó¦ËÙÂÊv£¨H2£©ºÍH2µÄƽºâת»¯ÂʦÁ£¨H2£©¾ùÔö´ó
D£®Ë®µÄÀë×Ó»ý³£ÊýKw Ëæ×ÅζȵÄÉý¸ß¶øÔö´ó£¬ËµÃ÷Ë®µÄµçÀëÊÇ·ÅÈÈ·´Ó¦

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

12£®A¡¢B¡¢CÈýÖÖÔªËصÄÔ­×Ó¾ßÓÐÏàͬµÄµç×Ó²ãÊý£¬¶øBµÄºËµçºÉÊý±ÈA´ó2£¬CÔ­×ӵĵç×Ó×ÜÊý±ÈBÔ­×ӵĵç×Ó×ÜÊý¶à4.1mol AµÄµ¥ÖʸúÑÎËá·´Ó¦¿Éת»»³ö11.2L£¨±ê×¼×´¿öÏ£©ÇâÆø£¬ÕâʱAת±ä³ÉÓëÄÊÔ­×Ó¾ßÓÐÏàͬԭ×Ó²ã½á¹¹µÄÀë×Ó£®ÊԻشð£º
£¨1£©AÊÇNa£¬BÊÇAl£¬CÊÇCl£®£¨ÌîÔªËØ·ûºÅ£©
£¨2£©Ð´³öBµÄ×î¸ß¼ÛÑõ»¯Îï¶ÔÓ¦µÄË®»¯Îï·Ö±ð¸úCµÄÇ⻯ÎïµÄË®ÈÜÒº·´Ó¦µÄÀë×Ó·½³ÌʽAl£¨OH£©3+3H+¨TAl3++3H2O£®
£¨3£©Aµ¥ÖʵĻ¹Ô­ÐÔ±ÈBµ¥ÖʵĻ¹Ô­ÐÔÇ¿£®£¨Ìî¡°Ç¿¡±»ò¡°Èõ¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

9£®Ä³Ìþ5.8gÍêȫȼÉÕÉú³É8.96L£¨±ê¿ö£©CO2ºÍ9g H2O£¬¸ÃÓлúÎïÃܶÈÊÇÏàͬ״¿öÏÂH2ÃܶȵÄ29±¶£¬ÇóÆä·Ö×Óʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

10£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨NA±íʾ°¢·ü¼ÓµÂÂÞ³£Êý£©£¨¡¡¡¡£©
¢Ù28g N2Ëùº¬ÓеÄÔ­×ÓÊýΪ2NA    
¢ÚÔÚ³£Î³£Ñ¹Ï£¬11.2L N2º¬ÓеķÖ×ÓÊýΪ0.5NA
¢Û34g°±ÆøËùº¬·Ö×ÓÊýΪ2NA
¢Ü±ê×¼×´¿öÏ£¬1LË®Ëùº¬·Ö×ÓÊýΪ$\frac{1}{22.4}$NA£®
A£®¢Ù¢ÛB£®¢Ù¢ÚC£®¢Û¢ÜD£®¢Ú¢Ü

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸