6£®Óк˵çºÉÊýÔÚ1-18Ö®¼äµÄÎåÖÖÔªËØA¡¢B¡¢C¡¢D¡¢E£¬ËüÃǵĺ˵çºÉÊýÒÀ´ÎÔö´ó£¬ÆäÖÐB¡¢C¡¢Dµç×Ó²ãÊýÏàͬ£¬A£¬E×îÍâ²ãµç×ÓÊýÏàͬ£¬³ýAÍâµÄ¸÷ÔªËصÄÔ­×ӵĵç×Ó²ãÄÚ²ãÒÑÌîÂúµç×Ó£¬ÆäÖÐBµÄ×îÍâ²ãÓÐ4¸öµç×Ó£¬CµÄ×îÍâ²ãµç×ÓÊýÊÇ´ÎÍâ²ãµç×ÓÊýµÄ3±¶£¬DÓëEÐγÉÀë×Ó»¯ºÏÎÔÚÀë×Ó»¯ºÏÎïÖÐËüÃÇ»¯ºÏ¼ÛµÄ¾ø¶ÔÖµÏàµÈ£®Çë»Ø´ð£¨×¢£ºÉæ¼°A¡¢B¡¢C¡¢DµÄ»¯Ñ§ÓÃÓïÓÃÔªËØ·ûºÅ±íʾ£©£º
£¨1£©AµÄÃû³ÆÇ⣬DÔ­×ӵĽṹʾÒâͼ£¬C2-µÄµç×Óʽ£®
£¨2£©Ð´³ÉDºÍEÐγɵÄÀë×Ó»¯ºÏÎïµÄµçÀë·½³ÌʽNaF=Na++F-£®
£¨3£©BÓëCÖмäÊÇN£¨Ð´ÔªËØ·ûºÅ£©£¬²¢Ð´³öÆäµ¥ÖʵĽṹʽN¡ÔN£®
£¨4£©EµÄÑõ»¯ÎïÓëA2C·´Ó¦Éú³ÉÇâÑõ»¯ÄÆ£¨Ð´Ãû³Æ£©£¬²¢Ð´³ö²úÎïµÄµç×Óʽ£®
£¨5£©AÓëBÐγɵÄijÆø̬»¯ºÏÎïÊÇÌìÈ»ÆøµÄÖ÷Òª³É·Ö£¬ÒÑÖª1g¸Ã»¯ºÏÎï³ä·ÖȼÉÕÉú³ÉBO2ÆøÌåºÍҺ̬A2Oʱ·Å³ö55.6kJµÄÈÈÁ¿£¬Ð´³É¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽCH4£¨g£©+2O2£¨g£©=CO2£¨g£©+2H2O£¨l£©¡÷H=-889.6kJ/mol£®

·ÖÎö Óк˵çºÉÊýÔÚ1-18Ö®¼äµÄÎåÖÖÔªËØA¡¢B¡¢C¡¢D¡¢E£¬ËüÃǵĺ˵çºÉÊýÒÀ´ÎÔö´ó£¬ÆäÖÐA£¬E×îÍâ²ãµç×ÓÊýÏàͬ£¬³ýAÍâµÄ¸÷ÔªËصÄÔ­×ӵĵç×Ó²ãÄÚ²ãÒÑÌîÂúµç×Ó£¬ÆäÖУ¬CµÄ×îÍâ²ãµç×ÓÊýÊÇ´ÎÍâ²ãµç×ÓÊýµÄ3±¶£¬Ô­×ÓÖ»ÄÜÓÐ2¸öµç×Ӳ㣬×îÍâ²ãµç×ÓÊýΪ6£¬¹ÊCΪOÔªËØ£»B¡¢C¡¢Dµç×Ó²ãÊýÏàͬ£¬BµÄ×îÍâ²ãÓÐ4¸öµç×Ó£¬ÔòBΪ̼ԪËØ£¬DµÄÔ­×ÓÐòÊý´óÓÚÑõ£¬DÓëEÐγÉÀë×Ó»¯ºÏÎÔÚÀë×Ó»¯ºÏÎïÖÐËüÃÇ»¯ºÏ¼ÛµÄ¾ø¶ÔÖµÏàµÈ£¬ÔòDΪFÔªËØ¡¢EΪNa£»A¡¢E×îÍâ²ãµç×ÓÊýÏàͬ£¬³ýAÍâµÄ¸÷ÔªËصÄÔ­×ӵĵç×Ó²ãÄÚ²ãÒÑÌîÂúµç×Ó£¬ÔòAΪHÔªËØ£¬¾Ý´Ë½â´ð£®

½â´ð ½â£ºÓк˵çºÉÊýÔÚ1-18Ö®¼äµÄÎåÖÖÔªËØA¡¢B¡¢C¡¢D¡¢E£¬ËüÃǵĺ˵çºÉÊýÒÀ´ÎÔö´ó£¬ÆäÖÐA£¬E×îÍâ²ãµç×ÓÊýÏàͬ£¬³ýAÍâµÄ¸÷ÔªËصÄÔ­×ӵĵç×Ó²ãÄÚ²ãÒÑÌîÂúµç×Ó£¬ÆäÖУ¬CµÄ×îÍâ²ãµç×ÓÊýÊÇ´ÎÍâ²ãµç×ÓÊýµÄ3±¶£¬Ô­×ÓÖ»ÄÜÓÐ2¸öµç×Ӳ㣬×îÍâ²ãµç×ÓÊýΪ6£¬¹ÊCΪOÔªËØ£»B¡¢C¡¢Dµç×Ó²ãÊýÏàͬ£¬BµÄ×îÍâ²ãÓÐ4¸öµç×Ó£¬ÔòBΪ̼ԪËØ£¬DµÄÔ­×ÓÐòÊý´óÓÚÑõ£¬DÓëEÐγÉÀë×Ó»¯ºÏÎÔÚÀë×Ó»¯ºÏÎïÖÐËüÃÇ»¯ºÏ¼ÛµÄ¾ø¶ÔÖµÏàµÈ£¬ÔòDΪFÔªËØ¡¢EΪNa£»A¡¢E×îÍâ²ãµç×ÓÊýÏàͬ£¬³ýAÍâµÄ¸÷ÔªËصÄÔ­×ӵĵç×Ó²ãÄÚ²ãÒÑÌîÂúµç×Ó£¬ÔòAΪHÔªËØ£®
£¨1£©AµÄÃû³ÆΪÇ⣬DΪFÔªËØ£¬Ô­×ӵĽṹʾÒâͼΪ£¬O2-µÄµç×ÓʽΪ£¬
¹Ê´ð°¸Îª£ºÇ⣻£»£»
£¨2£©DºÍEÐγɵÄÀë×Ó»¯ºÏÎïΪNaF£¬µçÀë·½³ÌʽΪNaF=Na++F-£¬
¹Ê´ð°¸Îª£ºNaF=Na++F-£»
£¨3£©BÓëCÖмäÊÇNÔªËØ£¬Æäµ¥ÖʵĽṹʽΪN¡ÔN£¬
¹Ê´ð°¸Îª£ºN£»N¡ÔN£»
£¨4£©EµÄÑõ»¯ÎïÓëH2O·´Ó¦Éú³ÉÇâÑõ»¯ÄÆ£¬µç×ÓʽΪ£¬
¹Ê´ð°¸Îª£ºÇâÑõ»¯ÄÆ£»£»
£¨5£©AÓëBÐγɵÄijÆø̬»¯ºÏÎï¼×ÍéÊÇÌìÈ»ÆøµÄÖ÷Òª³É·Ö£¬ÒÑÖª1g¼×Íé³ä·ÖȼÉÕÉú³ÉCO2ÆøÌåºÍҺ̬H2Oʱ·Å³ö55.6kJµÄÈÈÁ¿£¬Ôò1mol¼×ÍéÍêȫȼÉշųöµÄÈÈÁ¿Îª55.6kJ¡Á$\frac{1mol¡Á16g/mol}{1g}$=889.6kJ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽΪ£ºCH4£¨g£©+2O2£¨g£©=CO2£¨g£©+2H2O£¨l£©¡÷H=-889.6kJ/mol£¬
¹Ê´ð°¸Îª£ºCH4£¨g£©+2O2£¨g£©=CO2£¨g£©+2H2O£¨l£©¡÷H=-889.6kJ/mol£®

µãÆÀ ±¾Ì⿼²é½á¹¹ÐÔÖÊλÖùØϵӦÓ㬲àÖضԻ¯Ñ§ÓÃÓïµÄ¿¼²é£¬ÍƶÏÔªËØÊǽâÌâ¹Ø¼ü£¬×¢Òâ¶Ô»ù´¡ÖªÊ¶µÄÀí½âÕÆÎÕ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

17£®¼ºÖªÄ³ÓлúÎïµÄ½á¹¹¼òʽÈçͼ£¬ËüÊǾßÓл·×´½á¹¹µÄ²»±¥ºÍÌþ£®
£¨1£©Ð´³ö¸ÃÓлúÎïÓë×ãÁ¿µÄäåË®·´Ó¦µÄ·½³Ìʽ£»
£¨2£©ÏÖ½«¸ÃÓлúÎïÓ뺬ÓÐͬÎïÖʵÄÁ¿äåµÄË®ÈÜÒº»ìºÏ£¬·¢Éú¼Ó³É·´Ó¦£®Ð´³öÉú³É¶þäå´úÎïµÄ¸÷ÖÖͬ·ÖÒì¹¹ÌåµÄ½á¹¹¼òʽ£¨Çëд³öËùÓпÉÄܵĽṹ£©£º£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®½«ÏÂÁÐÈÜÒº·Ö±ð¼ÓÈëµ½FeCl3¡¢Al2£¨SO4£©3¡¢Cu£¨NO3£©2¡¢MgCl2ºÍNa2CO3ÎåÖÖÈÜÒºÖУ¬²úÉúÏÖÏóÖÖÀà×î¶àÇÒ°ÑÎåÖÖÈÜÒºÇø±ð¿ªµÄÊÇ£¨¡¡¡¡£©
A£®H2SO4ÈÜÒºB£®BaCl2ÈÜÒºC£®NaOHÈÜÒºD£®AgNO3ÈÜÒº

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

15£®ÏÂÁгýÔÓ·½·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®³ýÈ¥Fe2O3¡¢Al2O3»ìºÏÎïÖеÄFe2O3¼ÓNaOHÈÜÒº
B£®³ýÈ¥Na2O2ÖеÄNa2O£¬¼ÓÈÈ
C£®³ýÈ¥Na2CO3¹ÌÌåÖеÄNaHCO3£¬¼ÓNaOH¹ÌÌå
D£®³ýÈ¥Fe¡¢CºÏ½ðÖеÄC£¬ÔÚO2ÖÐ×ÆÉÕ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

2£®³£ÎÂÏ£¬pH=3µÄÑÎËáaL·Ö±ðÓëÏÂÁÐ3ÖÖÈÜÒº»ìºÏ£¬³ä·Ö·´Ó¦ºóÈÜÒº³ÊÖÐÐÔ
¢ÙpH=11µÄ°±Ë®bL
¢ÚÎïÖʵÄÁ¿Å¨¶ÈΪ1¡Á10-1mol•L-1µÄ°±Ë®cL
¢Ûc£¨OH£©=1¡Á10-3mol•L-1µÄBa£¨OH£©2ÈÜÒºdL£®
ÊÔÅжÏa¡¢b¡¢c¡¢d´óС¹ØϵÕýÈ·µÄΪ£¨¡¡¡¡£©
A£®c£¾a=d£¾bB£®b£¾a=d£¾cC£®c£¾a£¾b£¾dD£®a=b£¾c£¾d

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

11£®9.8gH3PO4Öк¬ÓÐH3PO4µÄ·Ö×ÓÊýÄ¿ÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®Ö»ÓÃÒ»ÖÖÊÔ¼Á¿É½«ÂÈ»¯ï§¡¢ÁòËá李¢ÂÈ»¯ÄÆ¡¢ÁòËáÄÆËÄÖÖÈÜÒºÇø±ð¿ªÀ´µÄÊÇ£¨¡¡¡¡£©
A£®NaOHÈÜÒºB£®AgNO3ÈÜÒºC£®BaCl2ÈÜÒºD£®Ba£¨OH£©2ÈÜÒº

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºÓÄÏÊ¡¸ß¶þÉϵÚÒ»´ÎÔ¿¼»¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÄÜÔ´¿É·ÖΪһ¼¶ÄÜÔ´ºÍ¶þ¼¶ÄÜÔ´£¬×ÔÈ»½çÖÐÒÔÏÖ³ÉÐÎʽÌṩµÄÄÜÔ´³ÆΪһ¼¶ÄÜÔ´£¬ÐèÒÀ¿¿ÆäËûÄÜÔ´¼ä½ÓÖÆÈ¡µÄÄÜÔ´³ÆΪ¶þ¼¶ÄÜÔ´¡£±ÈÈçÇâÆø¾ÍÊÇÒ»ÖÖ¸ßЧ¶øûÓÐÎÛȾµÄ¶þ¼¶ÄÜÔ´¡£¾Ý´ËÅжϣ¬ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ( )

A£®ÌìÈ»ÆøÊǶþ¼¶ÄÜÔ´ B£®Ê¯ÓÍÊǶþ¼¶ÄÜÔ´

C£®½¹Â¯ÃºÆøÊÇÒ»¼¶ÄÜÔ´ D£®ÃºÊÇÒ»¼¶ÄÜÔ´

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

1£®¸ù¾Ý·´Ó¦8NH3+3Cl2=6NH4Cl+N2£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ñõ»¯¼ÁÊÇCl2£¬»¹Ô­¼ÁÊÇNH3
£¨2£©Ñõ»¯¼ÁºÍ»¹Ô­¼ÁµÄ·Ö×Ó¸öÊý±È3£º2
£¨3£©µ±ÓÐ68¿Ë°±Æø²Î¼Ó·´Ó¦Ê±£¬±»Ñõ»¯µÄÎïÖÊΪ17 ¿Ë£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸