ÌâÄ¿ÄÚÈÝ

20£®ÏÂÁÐÀë×Ó·½³ÌʽÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®¸ÖÌú·¢ÉúÎüÑõ»òÎöÇⸯʴʱ£¬Ìú¾ù×÷¸º¼«±»Ñõ»¯£ºFe-3e-¨TFe3+
B£®SO2ÆøÌåͨÈëFe2£¨SO4£©3ÈÜÒºÖУºSO2+2H2O+2Fe3+¨T2Fe2++4H++SO42-
C£®ÓÃÍ­×öµç¼«µç½âCuSO4ÈÜÒº£º2Cu2++2H2O $\frac{\underline{\;µç½â\;}}{\;}$ 2Cu+O2¡ü+4H+
D£®Na2SÈÜҺʹ·Ó̪±äºì£ºS2-+2H2O?2OH-+H2S

·ÖÎö A£®¸º¼«Ìúʧȥ2¸öµç×ÓÉú³ÉÑÇÌúÀë×Ó£¬²»ÊÇÉú³ÉÌúÀë×Ó£»
B£®¶þÑõ»¯ÁòÓëÌúÀë×Ó·¢ÉúÑõ»¯»¹Ô­·´Ó¦Éú³ÉÑÇÌúÀë×ÓºÍÁòËá¸ùÀë×Ó£»
C£®µç¼«ÎªÍ­£¬Ñô¼«Í­·Åµç£¬Òõ¼«Í­Àë×ӵõ½µç×ÓÉú³ÉÍ­£¬¸Ã¹ý³ÌΪµç½â¾«Á¶Í­£»
D£®ÁòÀë×ÓµÄË®½â¹ý³Ì·Ö²½½øÐУ¬Ë®½âµÄÀë×Ó·½³ÌʽÐèÒª·Ö±ðд£¬Ö÷ÒªÒÔµÚÒ»²½ÎªÖ÷£®

½â´ð ½â£ºA£®¸ÖÌú·¢ÉúÎüÑõ»òÎöÇⸯʴʱ£¬Ìú¾ù×÷¸º¼«±»Ñõ»¯Éú³ÉÑÇÌúÀë×Ó£¬ÕýÈ·µÄµç¼«·´Ó¦Ê½Îª£ºFe-2e-¨TFe2+£¬¹ÊA´íÎó£»
B£®SO2ÆøÌåͨÈëFe2£¨SO4£©3ÈÜÒºÖУ¬¶þÕß·¢ÉúÑõ»¯»¹Ô­·´Ó¦£¬·´Ó¦µÄÀë×Ó·½³ÌʽΪ£ºSO2+2H2O+2Fe3+¨T2Fe2++4H++SO42-£¬¹ÊBÕýÈ·£»
C£®ÓÃÍ­×öµç¼«µç½âCuSO4ÈÜÒº£¬Ñô¼«ÎªÍ­£¬ÔòÑô¼«·ÅµçµÄΪͭ£¬·´Ó¦²»»áÉú³ÉÑõÆø£¬¸Ã¹ý³ÌÏ൱ÓÚµç½â¾«Á¶Í­£¬¹ÊC´íÎó£»
D£®Áò»¯ÄÆÒºÖУ¬ÁòÀë×Ó²¿·ÖË®½â£¬ÈÜÒºÏÔʾ¼îÐÔ£¬ËùÒÔÄܹ»Ê¹·Ó̪±äºì£¬µ«ÊÇÁòÀë×ÓµÄË®½â·½³ÌʽÐèÒª·Ö±ðд£¬Ö÷Ҫд³öµÚÒ»²½µÄË®½â¼´¿É£¬ÕýÈ·µÄÀë×Ó·½³ÌʽΪ£ºS2-+H2O?OH-+HS-£¬¹ÊD´íÎó£»
¹ÊÑ¡B£®

µãÆÀ ±¾Ì⿼²éÁËÀë×Ó·½³ÌʽµÄÅжϣ¬ÎªÖеÈÄѶȵÄÊÔÌ⣬עÒâÕÆÎÕÀë×Ó·½³ÌʽÕýÎóÅжϳ£Ó÷½·¨£¬È磺¼ì²é·´Ó¦ÄÜ·ñ·¢Éú£¬¼ì²é·´Ó¦Îï¡¢Éú³ÉÎïÊÇ·ñÕýÈ·£¬¼ì²é¸÷ÎïÖʲð·ÖÊÇ·ñÕýÈ·£¬ÈçÄÑÈÜÎï¡¢Èõµç½âÖʵÈÐèÒª±£Áô»¯Ñ§Ê½£¬¼ì²éÊÇ·ñ·ûºÏÊغã¹Øϵ£¨È磺ÖÊÁ¿ÊغãºÍµçºÉÊغãµÈ£©£»DΪÒ×´íµã£¬×¢ÒâÁòÀë×ÓµÄË®½â·Ö²½½øÐУ®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
10£®ÄÜÔ´µÄÏ໥ת»¯ºÍÀûÓÃÊÇ¿Æѧ¼ÒÑо¿µÄÖØÒª¿ÎÌ⣮
£¨1£©½«Ë®ÕôÆøͨ¹ýºìÈȵÄÌ¿¼´¿É²úÉúˮúÆø£®·´Ó¦Îª£ºC£¨s£©+H2O£¨g£©?CO£¨g£©+H2£¨g£©¡÷H=+131.3kJ•mol-1£®
¢Ù¸Ã·´Ó¦×Ô·¢½øÐеÄÍâ½çÌõ¼þÊǽϸßζȣ®
¢ÚÔÚÒ»¸öºãÈݵÄÃܱÕÈÝÆ÷ÖУ¬Ò»¶¨Î¶ÈÏ·¢ÉúÉÏÊö·´Ó¦£¬ÏÂÁÐÄÜÅжϸ÷´Ó¦´ïµ½»¯Ñ§Æ½ºâ״̬µÄÊÇBC £¨ÌîÏàÓ¦µÄ±àºÅ£©£®
A£®COºÍH2µÄÌå»ý·ÖÊýÏàͬ
B£®1mol H-H¼ü¶ÏÁѵÄͬʱ¶ÏÁÑ2mol H-O¼ü
C£®ÈÝÆ÷ÖеÄѹǿ²»±ä
D£®ÏûºÄH2OµÄËÙÂʵÈÓÚÉú³ÉH2µÄËÙÂÊ
£¨2£©½«²»Í¬Á¿µÄCO£¨g£©ºÍH2O£¨g£©·Ö±ðͨÈëµ½Ìå»ýΪ2LµÄºãÈÝÃܱÕÈÝÆ÷ÖУ¬ÔÚ´ß»¯¼Á´æÔÚϽøÐз´Ó¦£º
 CO£¨g£©+H2O£¨g£©?H2£¨g£©+CO2£¨g£©£¬µÃµ½Èç±íÖжþ×éÊý¾Ý£º
ʵÑé×éζÈ/¡æÆðʼÁ¿/molƽºâÁ¿/mol
COH2OH2CO
1650421.62.4
2900210.41.6
¢Ù¸Ã·´Ó¦µÄ¡÷H£¼0£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©£®
¢Ú¼ÆËãʵÑé2Ìõ¼þÏÂƽºâ³£ÊýµÄÖµK=0.17£®
£¨3£©pKa±íʾµÄÊÇÈõµç½âÖʵçÀëƽºâ³£ÊýµÄ¸º¶ÔÊý£¬¼´pKa=-lgKa£¬ÓйØÊý¾ÝÈçͼ£º
¢Ù0.01mol•L-1NaHSO3ÈÜÒºµÄpH=bl£¬0.01mol•L-1NaHCO3ÈÜÒºµÄpH=b2£¬Ôòb1£¼b2£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©£®
¢ÚÏò10mL 0.01mol•L-1µÄH2SO3ÈÜÒºÖУ¬µÎ¼Ó0.0l mol•L-1KOHÈÜÒº10mL£¬ÈÜÒºÖдæÔÚc£¨H+£©£¾c£¨OH-£©£¬ÔòÒÔÏÂËÄÖÖ΢Á£K+¡¢H2SO3¡¢HSO3-¡¢SO32-£¬ÆäŨ¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòΪc£¨K+£©£¾c£¨HSO3-£©£¾c£¨SO32-£©£¾c£¨H2SO3£©£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø