ÑÇÂÈËáÄÆ(NaClO2)ÊÇÒ»ÖÖÖØÒªµÄÏû¶¾¼Á¡£ÒÑÖª£º¢ÙNaClO2µÄÈܽâ¶ÈËæζÈÉý¸ß¶øÔö´ó£¬Êʵ±Ìõ¼þÏ¿ɽᾧÎö³öNaClO2¡¤3H2O£¬¢ÚClO2µÄ·ÐµãΪ283K£¬´¿ClO2Ò׷ֽⱬը£¬¢ÛHClO2ÔÚ25¡æʱµÄµçÀë³Ì¶ÈÓëÁòËáµÄµÚ¶þ²½µçÀë³Ì¶ÈÏ൱£¬¿ÉÊÓΪǿËá¡£ÈçͼÊǹýÑõ»¯Çâ·¨Éú²úÑÇÂÈËáÄƵŤÒÕÁ÷³Ìͼ£º

(1)C1O2·¢ÉúÆ÷ÖÐËù·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ                                         £¬·¢ÉúÆ÷ÖйÄÈë¿ÕÆøµÄ×÷ÓÿÉÄÜÊÇ                             (Ñ¡ÌîÐòºÅ)¡£

A£®½«SO2Ñõ»¯³ÉSO3ÔöÇ¿ËáÐÔ   B£®Ï¡ÊÍC1O2ÒÔ·ÀÖ¹±¬Õ¨    

C£®½«NaClO3Ñõ»¯³ÉC1O2

(2)ÔÚ¸ÃʵÑéÖÐÓÃÖÊÁ¿Å¨¶ÈÀ´±íʾNaOHÈÜÒºµÄ×é³É£¬ÈôʵÑéʱÐèÒª450ml

l60g£¯LµÄNaOHÈÜÒº£¬ÔòÔÚ¾«È·ÅäÖÆʱ£¬ÐèÒª³ÆÈ¡NaOHµÄÖÊÁ¿ÊÇ                g£¬

ËùʹÓõÄÒÇÆ÷³ýÍÐÅÌÌìƽ¡¢Á¿Í²¡¢ÉÕ±­¡¢²£Á§°ôÍ⣬»¹±ØÐëÓР                                  

(3) ÎüÊÕËþÄÚµÄζȲ»Äܳ¬¹ý20¡æ£¬ÆäÖ÷ҪĿµÄÊÇ                                     _£¬ÎüÊÕËþÄÚ·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ                                        ¡£

(4)ÔÚÎüÊÕËþÖУ¬¿É´úÌæH2O2µÄÊÔ¼ÁÊÇ                 (ÌîÐòºÅ)¡£

A£®Na2O       B£®Na2S            C£®FeCl        D£®KMnO4

(5)´ÓÂËÒºÖеõ½NaClO2¡¤3H2O¾§ÌåµÄʵÑé²Ù×÷ÒÀ´ÎÊÇ                         £¨Ìî²Ù×÷Ãû³Æ£©

A£®ÕôÁó      B£®Õô·¢Å¨Ëõ     C£®×ÆÉÕ     D£®¹ýÂË   E¡¢ÀäÈ´½á¾§

                            


¡¾ÖªÊ¶µã¡¿¹¤ÒÕÁ÷³ÌÌâA1 D2 D3 J1 J2

¡¾´ð°¸½âÎö¡¿

£¨1£©2ClO3¡ª+SO2=2ClO2+SO42¡ª     B       £¨2£©80.0   500mlÈÝÁ¿Æ¿,½ºÍ·µÎ¹Ü

£¨3£©Î¶ÈÉý¸ß£¬H2O2Ò×·Ö½â   2ClO2+H2O2 +2NaOH=2NaClO2+2H2O+O2

£¨4£©A  £¨5£©BED»òED(2·Ö)

(·½³Ìʽ¼°(5) 2·Ö£¬ÆäÓàÿ¿Õ1·Ö)

½âÎö£º£¨1£©·ÖÎöÁ÷³Ìͼ֪ClO3-¡úC1O2£¬ClÔªËصĻ¯ºÏ¼Û½µµÍ£¬¼´·¢ÉúÆ÷ÖÐËù·¢Éú·´Ó¦ÊÇClO3-Ñõ»¯¶þÑõ»¯Áò£¬·´Ó¦Àë×Ó·½³ÌʽΪSO2+2ClO3-=2C1O2+SO42-£»¸ù¾Ý´¿ClO2Ò׷ֽⱬը֪·¢ÉúÆ÷ÖйÄÈë¿ÕÆøµÄ×÷ÓÃÓ¦ÊÇÏ¡ÊÍClO2£¬ÒÔ·ÀÖ¹±¬Õ¨¡£

£¨2£© £¨3£©¸ù¾ÝClO2¡úNaClO2ÖªÎüÊÕËþÄڵķ´Ó¦ÊÇClO2Ñõ»¯H2O2£¬¼´2ClO2+H2O2 +2NaOH=2NaClO2+2H2O+O2£¬¶øζȸßH2O2»á·Ö½â¡£

£¨4£©ÔÚÎüÊÕËþÖУ¬¿É´úÌæH2O2µÄÊÔ¼ÁÊÇ»¹Ô­ÐÔÓëÆä½Ó½üµÄ£¬¿ÉÑ¡Na2O2£¬²»ÄÜÑ¡Óû¹Ô­ÐÔÌ«Ç¿µÄNa2S¡¢FeCl2£¬·ñÔòµÃ²»µ½NaClO2£¬¶øÇÒÓÃFeCl2¿ÉÄÜÒýÈëÔÓÖÊ¡£

£¨5£©ÓÉÓÚNaClO2µÄÈܽâ¶ÈËæζÈÉý¸ß¶øÔö´ó£¬Òò´Ë¿Éͨ¹ýÀäÈ´½á¾§¡¢¹ýÂ˵õ½¾§Ì壬ÈôÈÜҺŨ¶ÈƫС£¬¿ÉÏÈÕô·¢Å¨Ëõ£¬ºóÀäÈ´½á¾§¡¢¹ýÂË¡£

¡¾Ë¼Â·µã²¦¡¿×ÐϸÉóÌâ»ñÈ¡ÐÅÏ¢ÊǽâÌâµÄ¹Ø¼ü£¬Èç±¾ÌâµÄ¡°NaClO2µÄÈܽâ¶ÈËæζÈÉý¸ß¶øÔö´ó¡±¡¢¡°´¿ClO2Ò׷ֽⱬը¡±¡¢¡°C1O2·¢ÉúÆ÷¡±¡¢Òþº¬ÐÅÏ¢È硰ζȸßH2O2»á·Ö½â¡±¡¢·´Ó¦Ç°ºóÎïÖÊËùº¬ÔªËصĻ¯ºÏ¼ÛµÈ¡£


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


¶ÔÏÂÁи÷ÈÜÒºÖУ¬Î¢Á£µÄÎïÖʵÄÁ¿Å¨¶È¹Øϵ±íÊöÕýÈ·µÄÊÇ

  A.0.1mol·L-1µÄ(NH4)2CO3ÈÜÒºÖÐ:c(CO32-)>c(NH4+)>c(H+)>c(OH-)

  B. 0.1 mol·L-1µÄNaHCO3ÈÜÒºÖÐ:c(Na£«)=c(HCO3£­)+c(H2CO3)+2c(CO32£­)

  C.½«0.2 mol·L-1 NaAÈÜÒººÍ0.1 mol·L-1ÑÎËáµÈÌå»ý»ìºÏËùµÃ¼îÐÔÈÜÒºÖÐ:c(Na£«)+c(H+)=c(A-)+c(Cl-)

  D.ÔÚ25¡æʱ£¬1mol·L-1µÄCH3COONaÈÜÒºÖÐ:c(OH-)=c(H+)+c(CH3COOH)

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ÏÂÁÐÓйØʵÑé×°ÖýøÐеÄÏàӦʵÑ飬²»ÄܴﵽʵÑéÄ¿µÄµÄÊÇ   £¨       £©

A£®ÓÃͼ1ËùʾװÖóýÈ¥Cl2Öк¬ÓеÄÉÙÁ¿HCl

B£®ÓÃͼ2ËùʾװÖÃÕô·¢KClÈÜÒºÖƱ¸ÎÞË®KCl

C£®ÓÃͼ3ËùʾװÖÿÉÒÔÍê³É¡°ÅçȪ¡±ÊµÑé

D£®ÓÃͼ4ËùʾװÖÃÖÆÈ¡¸ÉÔï´¿¾»µÄNH3

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ÏÂÁÐ×°Öûò²Ù×÷ÕýÈ·µÄÇÒÄܴﵽʵÑéÄ¿µÄµÄÊÇ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ij»¯Ñ§Ñо¿ÐÔѧϰС×éΪÁËÄ£Ä⹤ҵÁ÷³Ì´ÓŨËõµÄº£Ë®ÖÐÌáÈ¡Òºä壬²éÔÄ×ÊÁÏÖª£ºBr2µÄ·ÐµãΪ59¡æ£¬Î¢ÈÜÓÚË®£¬Óж¾ÐÔ¡£Éè¼ÆÁËÈçϲÙ×÷²½Öè¼°Ö÷ҪʵÑé×°Ö㨼гÖ×°ÖÃÂÔÈ¥£©£º

  ¢ÙÁ¬½ÓAÓëB£¬¹Ø±Õ»îÈûb¡¢d£¬´ò¿ª»îÈûa¡¢c£¬ÏòAÖлºÂýͨÈëÖÁ·´Ó¦½áÊø£»

  ¢Ú¹Ø±Õa¡¢c£¬´ò¿ªb¡¢d£¬ÏòAÖйÄÈë×ãÁ¿ÈÈ¿ÕÆø£»

  ¢Û½øÐв½Öè¢ÚµÄͬʱ£¬ÏòBÖÐͨÈë×ãÁ¿SO2:

  ¢Ü¹Ø±Õb£¬´ò¿ªa£¬ÔÙͨ¹ýAÏòBÖлºÂýͨÈë×ãÁ¿Cl2;

  ¢Ý½«BÖÐËùµÃÒºÌå½øÐÐÕôÁó£¬ÊÕ¼¯Òºäå¡£

  Çë»Ø´ð£º

(1)ʵÑéÊÒÖг£ÓÃÀ´ÖƱ¸ÂÈÆøµÄ»¯Ñ§·½³ÌʽΪ__________________________£»

(2)²½Öè¢ÚÖйÄÈëÈÈ¿ÕÆøµÄ×÷ÓÃΪ_____________________________£»

(3)²½ÖèBÖз¢ÉúµÄÖ÷Òª·´Ó¦µÄÀë×Ó·½³ÌʽΪ______________________________¡£

(4)´ËʵÑéÖÐβÆø¿ÉÓà   £¨ÌîÑ¡Ïî×Öĸ£©ÎüÊÕ´¦Àí¡£

    a£®Ë®    b£®Å¨ÁòËá    c£®NaOHÈÜÒº    d.±¥ºÍNaCIÈÜÒº

(5)²½Öè¢ÝÖУ¬ÓÃÏÂͼËùʾװÖýøÐÐÕôÁó£¬ÊÕ¼¯Òºä壬½«×°ÖÃͼÖÐȱÉٵıØÒªÒÇÆ÷²¹»­³öÀ´¡£

(6)ÈôÖ±½ÓÁ¬½ÓAÓëC£¬½øÐв½Öè¢ÙºÍ¢Ú£¬³ä·Ö·´Ó¦ºó£¬Ïò׶ÐÎÆ¿ÖеμÓÏ¡ÁòËᣬÔÙ¾­²½Öè¢Ý£¬Ò²ÄÜÖƵÃÒºäå¡£µÎ¼ÓÏ¡ÁòËá֮ǰ£¬CÖз´Ó¦Éú³ÉÁËNaBrO3µÈ£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ____________¡£

(7)ÓëB×°ÖÃÏà±È£¬²ÉÓÃC×°ÖõÄÓŵãΪ____________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ÒÑÖª°±¿ÉÒÔÓë×ÆÈȵÄÑõ»¯Í­·´Ó¦µÃµ½µªÆøºÍ½ðÊôÍ­£¬ÓÃʾÒâͼÖеÄ×°ÖÿÉÒÔʵÏָ÷´Ó¦¡£

»Ø´ðÏÂÁÐÎÊÌ⣺

(1)AÖÐÉú³É°±Æø·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ_________________________________________£»

(2)BÖмÓÈëµÄ¸ÉÔï¼ÁÊÇ_________(ÌîÐòºÅ)¢ÙŨÁòËá¢ÚÎÞË®ÂÈ»¯¸Æ  ¢Û¼îʯ»Ò£»

(3)ÄÜÖ¤Ã÷°±ÓëÑõ»¯Í­·´Ó¦µÄÏÖÏó¢ÙCÖÐ______________¡¢¢ÚDÖÐÓÐÎÞÉ«ÒºÌåÉú³É£»

Éè¼ÆʵÑé¼ìÑéDÖÐÎÞÉ«ÒºµÄ³É·Ö£ºÈ¡ÉÙÁ¿ÒºÌåÓÚÊÔ¹ÜÖУ¬¼ÓÈëÉÙÁ¿________·ÛÄ©£¬ÏÖÏóΪ___________________¡£

(4)д³ö°±ÆøÓëÑõ»¯Í­·´Ó¦µÄ»¯Ñ§·½³Ìʽ___________________________£»ÈôÊÕ¼¯µ½2.24L(STP)µªÆø£¬¼ÆËãתÒƵç×ÓÊýΪ__________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ͬËØÒìÐÎÌåÏ໥ת»¯µÄ·´Ó¦ÈÈÏ൱С¶øÇÒת»¯ËÙÂʽÏÂý£¬ÓÐʱ»¹ºÜ²»ÍêÈ«£¬²â¶¨·´Ó¦ÈȺÜÀ§ÄÑ¡£ÏÖÔڿɸù¾Ý¸Ç˹Ìá³öµÄ¡°²»¹Ü»¯Ñ§¹ý³ÌÊÇÒ»²½Íê³É»ò·Ö¼¸²½Íê³É£¬Õâ¸ö×ܹý³ÌµÄÈÈЧӦÊÇÏàͬµÄ¡±¹ÛµãÀ´¼ÆËã·´Ó¦ÈÈ¡£ÒÑÖª£º

P4(°×Á×£¬s)£«5O2(g)===P4O10(s)   ¦¤H1£½£­2 983.2 kJ·mol£­1¢Ù

P(ºìÁ×£¬s)£«O2(g)===P4O10(s)   ¦¤H2£½£­738.5 kJ·mol£­1¢Ú

Ôò°×Á×ת»¯ÎªºìÁ×µÄÈÈ»¯Ñ§·½³ÌʽΪ____________________________¡£Ïàͬ״¿öÏ£¬ÄÜÁ¿×´Ì¬½ÏµÍµÄÊÇ________£»°×Á×µÄÎȶ¨ÐԱȺìÁ×________(Ìî¡°¸ß¡±»ò¡°µÍ¡±)¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


ÒÑÖªÈÈ»¯Ñ§·½³Ìʽ£º

2H2O(l)===2H2(g)£«O2(g)    ¦¤H£½571.6 kJ·mol£­1

2H2(g)£«O2(g)===2H2O(g)   ¦¤H£½£­483.6 kJ·mol£­1

µ±1 gҺ̬ˮ±äΪÆø̬ˮʱ£¬¶ÔÆäÈÈÁ¿±ä»¯µÄÏÂÁÐÃèÊö£º¢Ù·ÅÈÈ£»¢ÚÎüÈÈ£»¢Û2.44 kJ£»

¢Ü4.88 kJ£»¢Ý88 kJ¡£ÆäÖÐÕýÈ·µÄÊÇ(¡¡¡¡)

A£®¢ÚºÍ¢Ý           B£®¢ÙºÍ¢Û           C£®¢ÚºÍ¢Ü           D£®¢ÚºÍ¢Û

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º


úȼÉյķ´Ó¦ÈÈ¿Éͨ¹ýÒÔÏÂÁ½¸ö;¾¶À´ÀûÓãº

a.ÀûÓÃúÔÚ³ä×ãµÄ¿ÕÆøÖÐÖ±½ÓȼÉÕ²úÉúµÄ·´Ó¦ÈÈ£»

b.ÏÈʹúÓëË®ÕôÆø·´Ó¦µÃµ½ÇâÆøºÍÒ»Ñõ»¯Ì¼£¬È»ºóʹµÃµ½µÄÇâÆøºÍÒ»Ñõ»¯Ì¼ÔÚ³ä×ãµÄ¿ÕÆøÖÐȼÉÕ¡£ÕâÁ½¸ö¹ý³ÌµÄÈÈ»¯Ñ§·½³ÌʽΪ

a.C(s)+O2(g)====CO2(g)    ¦¤H=E1                       ¢Ù

b.C(s)+H2O(g)====CO(g)+H2(g)    ¦¤H=E2           ¢Ú

H2(g)+O2(g)====H2O(g)     ¦¤H=E3                    ¢Û

CO(g)+O2(g)====CO2(g)    ¦¤H=E4                     ¢Ü

»Ø´ðÏÂÁÐÎÊÌ⣺

(1)Óë;¾¶aÏà±È;¾¶bÓн϶àµÄÓŵ㣬¼´____________________________¡£

(2)ÉÏÊöËĸöÈÈ»¯Ñ§·½³ÌʽÖеķ´Ó¦__________________ÖЦ¤H>0¡£

(3)µÈÖÊÁ¿µÄú·Ö±ðͨ¹ýÒÔÉÏÁ½Ìõ²»Í¬µÄ;¾¶²úÉúµÄ¿ÉÀûÓõÄ×ÜÄÜÁ¿¹ØϵÕýÈ·µÄÊÇ____________¡£

A.a±Èb¶à            B.a±ÈbÉÙ            C.aÓëbÔÚÀíÂÛÉÏÏàͬ

(4)¸ù¾ÝÄÜÁ¿Êغ㶨ÂÉ£¬E1¡¢E2¡¢E3¡¢E4Ö®¼äµÄ¹ØϵΪ___________¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸