»ÆÍ­¿ó£¨CuFeS2£©³£ÓÃÓÚÌáÁ¶½ðÊôÍ­¡£»ÆÍ­¿ó±ºÉÕ¹ý³ÌÖÐËù·¢ÉúµÄ·´Ó¦±È½Ï¸´ÔÓ£¬ÆäÖÐÖ÷Òª·´Ó¦Ö®Ò»µÄ»¯Ñ§·½³ÌʽΪ2CuFeS2£«O2£«2FeS£«SO2£¨ÒÑÅäƽ£©£¬ÔòÏÂÁйØÓڸ÷´Ó¦µÄ˵·¨´íÎóµÄÊÇ£¨¡¡¡¡£©¡£

A£®·½¿òÖеÄÎïÖÊӦΪCuS

B£®¸Ã·´Ó¦µÄ²¿·Ö²úÎï¿ÉÓÃÓÚÁòËṤҵ

C£®·´Ó¦ÖÐSO2¼ÈÊÇÑõ»¯²úÎïÓÖÊÇ»¹Ô­²úÎï

D£®·´Ó¦ÖÐÈôÓÐ1 mol SO2Éú³É£¬ÔòÒ»¶¨ÓÐ4 molµç×Ó·¢ÉúתÒÆ

 

AD

¡¾½âÎö¡¿¸ù¾ÝÔ­×ÓÊغ㣬·½¿òÖеÄÎïÖÊΪCu2S£»·´Ó¦ÖеIJúÎïSO2¿ÉÒÔÓÃÓÚÖÆH2SO4£»¸Ã·´Ó¦Öв¿·ÖÁòµÄ»¯ºÏ¼ÛÓÉ£­2¼ÛÉý¸ßµ½£«4¼Û£¬¹ÊÿÉú³É1 mol SO2תÒƵĵç×ÓΪ6 mol¡£

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°½­ËÕרÓà µÚ10½²½ðÊôÔªËؼ°Æ仯ºÏÎïÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁÐÊDz¿·Ö¿óÎï×ÊÔ´µÄÀûÓü°²úÆ·Á÷³Ì£¬ÓйØ˵·¨²»ÕýÈ·µÄÊÇ(¡¡¡¡)¡£

 

A£®´ÖÍ­µç½â¾«Á¶Ê±£¬´ÖÍ­×öÑô¼«

B£®Éú²úÂÁ¡¢Í­¡¢¸ß´¿¹è¼°²£Á§¹ý³ÌÖж¼Éæ¼°Ñõ»¯»¹Ô­·´Ó¦

C£®»ÆÍ­¿óұͭʱ£¬¸±²úÎïSO2¿ÉÓÃÓÚÉú²úÁòËᣬFeO¿ÉÓÃ×öÒ±ÌúµÄÔ­ÁÏ

D£®´Ö¹èÖƸߴ¿¹èʱ£¬Ìá´¿ËÄÂÈ»¯¹è¿ÉÓöà´Î·ÖÁóµÄ·½·¨

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ7Ë®ÈÜÒºÖеÄÀë×ÓƽºâÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÓÃˮϡÊÍ0.1 mol¡¤L£­1°±Ë®Ê±£¬ÈÜÒºÖÐËæË®Á¿µÄÔö¼Ó¶ø¼õСµÄÊÇ£¨¡¡¡¡£©¡£

A£®c£¨OH£­£©/c£¨NH3¡¤H2O£©

B£®c£¨NH3¡¤H2O£©/c£¨OH£­£©

C£®n£¨OH£­£©ºÍc£¨H£«£©

D£®c£¨H£«£©ºÍc£¨OH£­£©µÄ³Ë»ý

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ5»¯Ñ§·´Ó¦ÓëÄÜÁ¿Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

¹¤ÒµÉú²úˮúÆøµÄ·´Ó¦Îª£ºC£¨s£©£« H2O£¨g£©=CO£¨g£©£«H2£¨g£©¡¡¦¤H£½£«131.4 kJ¡¤mol£­1£¬ÏÂÁÐÅжÏÕýÈ·µÄÊÇ£¨¡¡¡¡£©¡£

A£®·´Ó¦ÎïÄÜÁ¿×ܺʹóÓÚÉú³ÉÎïÄÜÁ¿×ܺÍ

B£®CO£¨g£©£«H2£¨g£©=C£¨s£©£«H2O£¨l£© ¦¤H£½£­131.4 kJ¡¤mol£­1

C£®Ë®ÃºÆø·´Ó¦ÖÐÉú³É1 mol H2£¨g£©ÎüÊÕ131.4 kJÈÈÁ¿

D£®Ë®ÃºÆø·´Ó¦ÖÐÉú³É1Ìå»ýCO£¨g£©ÎüÊÕ131.4 kJÈÈÁ¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ4ÎïÖʽṹԪËØÖÜÆÚÂÉÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁÐÅÅÁÐ˳ÐòÕýÈ·µÄÊÇ£¨¡¡¡¡£©¡£

¢ÙÈÈÎȶ¨ÐÔ£ºH2O£¾HF£¾H2S¡¡¢ÚÔ­×Ӱ뾶£ºNa£¾Mg£¾O

¢ÛËáÐÔ£ºH3PO4£¾H2SO4£¾HClO4¡¡¢Üʧµç×ÓÄÜÁ¦£ºCs£¾Na

A£®¢Ù¢Û B£®¢Ú¢Ü C£®¢Ù¢Ü D£®¢Ú¢Û

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ2»¯Ñ§³£ÓüÆÁ¿Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

¹ýÑõ»¯¸Æ¾§Ìå[CaO2¡¤8H2O]½ÏÎȶ¨£¬³Ê°×É«£¬Î¢ÈÜÓÚË®£¬ÄÜÈÜÓÚËáÐÔÈÜÒº¡£¹ã·ºÓ¦ÓÃÓÚ»·¾³É±¾ú¡¢Ïû¶¾µÈÁìÓò¡£

¢ñ.¹ýÑõ»¯¸Æ¾§ÌåµÄÖƱ¸¡£

¹¤ÒµÉÏÉú²úCaO2¡¤8H2OµÄÖ÷ÒªÁ÷³ÌÈçÏ£º

£¨1£©ÓÃÉÏÊö·½·¨ÖÆÈ¡CaO2¡¤8H2OµÄ»¯Ñ§·½³ÌʽÊÇ_________________________________¡£

£¨2£©³Áµíʱ³£ÓñùË®¿ØÖÆζÈÔÚ10 ¡æÒÔϺÍͨÈë¹ýÁ¿µÄNH3£¬Æä¿ÉÄÜÔ­Òò·Ö±ðÊÇ¢Ù__________________________£»¢Ú_____________________________¡£

¢ò.¹ýÑõ»¯¸Æ¾§Ì庬Á¿µÄ²â¶¨¡£

׼ȷ³ÆÈ¡0.300 0 g²úÆ·ÓÚ׶ÐÎÆ¿ÖУ¬¼ÓÈë30 mLÕôÁóË®ºÍ10 mL 2.000 mol¡¤L£­1 H2SO4£¬ÓÃ0.020 0 mol¡¤L£­1 KMnO4±ê×¼ÈÜÒºµÎ¶¨ÖÁÖյ㡣Öظ´ÉÏÊö²Ù×÷Á½´Î¡£H2O2ºÍKMnO4·´Ó¦µÄÀë×Ó·½³ÌʽΪ2MnO4-£«5H2O2£«6H£«=2Mn2£«£«5O2¡ü£«8H2O

µÎ¶¨ÖÕµã¹Û²ìµ½µÄÏÖÏóΪ_______________________________________¡£

£¨4£©¸ù¾Ý±íÖÐÊý¾Ý£¬¼ÆËã²úÆ·ÖÐCaO2¡¤8H2OµÄÖÊÁ¿·ÖÊý£¨Ð´³ö¼ÆËã¹ý³Ì£©¡£

KMnO4±ê×¼ÈÜÒºµÎ¶¨Êý¾Ý

µÎ¶¨´ÎÊý

ÑùÆ·µÄÖÊÁ¿/g

KMnO4ÈÜÒºµÄÌå»ý/mL

µÎ¶¨Ç°¿Ì¶È/mL

µÎ¶¨ºó¿Ì¶È/mL

1

0.300 0

1.02

24.04

2

0.300 0

2.00

25.03

3

0.300 0

0.20

23.24

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ2»¯Ñ§³£ÓüÆÁ¿Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©¡£

A£®·Ö×ÓÊý²»Í¬µÄCOÓëN2µÄÌå»ýÒ»¶¨²»µÈ

B£®Ìå»ýÏàͬµÄCOÓëN2µÄÖÊÁ¿Ò»¶¨ÏàµÈ

C£®ÖÊÁ¿Ïàͬ¡¢ÃܶȲ»Í¬µÄCOÓëN2Ëùº¬µÄÔ­×ÓÊýÄ¿Ò»¶¨ÏàµÈ

D£®ÖÊÁ¿²»Í¬¡¢ÃܶÈÏàͬµÄCOÓëN2Ëùº¬·Ö×ÓÊý¿ÉÄÜÏàͬ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°Ìá·ÖѵÁ· רÌâ10½ðÊôÔªËؼ°Æ仯ºÏÎïÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

FeSO4¿É·¢ÉúÈçͼËùʾµÄһϵÁз´Ó¦£¬ÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨¡¡¡¡£©¡£

A£®¼îʽÁòËáÌúË®½âÄܲúÉúFe£¨OH£©3½ºÌ壬¿ÉÓÃ×ö¾»Ë®¼Á

B£®Îª·ÀÖ¹NH4HCO3·Ö½â£¬Éú²úFeCO3ÐèÔڽϵÍζÈϽøÐÐ

C£®¿ÉÓÃKSCNÈÜÒº¼ìÑ飨NH4£©2Fe£¨SO4£©2ÊÇ·ñ±»Ñõ»¯

D£®³£ÎÂÏ£¬£¨NH4£©2Fe£¨SO4£©2ÔÚË®ÖеÄÈܽâ¶È±ÈFeSO4µÄ´ó

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄê¸ß¿¼»¯Ñ§¶þÂÖ¸´Ï°±Ø×öѵÁ· µç½âÖÊÈÜÒºÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ijζÈÏ£¬ÏòÒ»¶¨Ìå»ý0.1 mol¡¤L£­1µÄ´×ËáÈÜÒºÖÐÖðµÎ¼ÓÈëµÈŨ¶ÈµÄNaOHÈÜÒº£¬ÈÜÒºÖÐpOH£¨pOH£½£­lg[OH£­]£©ÓëpHµÄ±ä»¯¹ØϵÈçͼËùʾ£¬Ôò£¨¡¡¡¡£©

A£®MµãËùʾÈÜÒºµÄµ¼µçÄÜÁ¦Ç¿ÓÚQµã

B£®NµãËùʾÈÜÒºÖÐc£¨CH3COO£­£©>c£¨Na£«£©

C£®MµãºÍNµãËùʾÈÜÒºÖÐË®µÄµçÀë³Ì¶ÈÏàͬ

D£®QµãÏûºÄNaOHÈÜÒºµÄÌå»ýµÈÓÚ´×ËáÈÜÒºµÄÌå»ý

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸