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±ØÐëÓÐ
(3) ÎüÊÕËþÄÚµÄζȲ»Äܳ¬¹ý20¡æ£¬ÆäÖ÷ҪĿµÄÊÇ _£¬ÎüÊÕËþÄÚ·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ ¡£
(4)ÔÚÎüÊÕËþÖУ¬¿É´úÌæH2O2µÄÊÔ¼ÁÊÇ (ÌîÐòºÅ)¡£
A£®Na2O2 B£®Na2S C£®FeCl2 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¡£
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿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
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>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com