ÌâÄ¿ÄÚÈÝ

ijÐËȤС×éͬѧ¶ÔʵÑéÊÒÖÆÈ¡ÑõÆøµÄÌõ¼þ½øÐÐÈçÏÂ̽¾¿ÊµÑ飮

¢ÙΪ̽¾¿´ß»¯¼ÁµÄÖÖÀà¶ÔÂÈËá¼Ø·Ö½âËٶȵÄÓ°Ï죬¼×Éè¼ÆÒÔ϶ԱÈÊÔÑ飺

I£®½«3.0gKClO3Óë1.0gMnO2¾ùÔÈ»ìºÏ¼ÓÈÈ

II£®½«xgKClO3Óë1.0gCuO¾ùÔÈ»ìºÏ¼ÓÈÈ

ÔÚÏàͬζÈÏ£¬±È½ÏÁ½×éʵÑé²úÉúO2µÄ¿ìÂý£®

IÖз´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ¡¡¡¡£»IIÖÐxµÄֵΪ¡¡¡¡£®

¢ÚÒÒ̽¾¿ÁËÓ°ÏìË«ÑõË®·Ö½âËٶȵÄijÖÖÒòËØ£¬ÊµÑéÊý¾Ý¼Ç¼Èç±í£º

Ë«ÑõË®µÄÖÊÁ¿

Ë«ÑõË®µÄŨ¶È

MnO2µÄÖÊÁ¿

Ïàͬʱ¼äÄÚ²úÉúO2µÄÌå»ý

I

50.0g

1%

0.1g

9mL

II

50.0g

2%

0.1g

16mL

III

50.0g

4%

0.1g

31mL

ʵÑé½áÂÛ£ºÔÚÏàͬÌõ¼þÏ£¬¡¡¡¡£¬Ë«ÑõË®·Ö½âµÃ¿ì£®

±ûÓÃÈçͼװÖýøÐÐʵÑ飬ͨ¹ý±È½Ï¡¡¡¡Ò²ÄܴﵽʵÑéÄ¿µÄ£®

½â´ð£º

½â£º¢ÙÂÈËá¼ØÔÚ¶þÑõ»¯Ã̵Ĵ߻¯×÷ÓÃϼÓÈÈÄÜ¿ìËٵIJúÉúÑõÆø£¬½øÐÐʵÑé̽¾¿Ê±Òª×¢Òâ¿ØÖƱäÁ¿£¬¹ÊXΪ3.0£¬¹ÊÌ2KClO32KCl+3O2¡ü£¬3.0£»

¢ÚÒª½«Æ¿ÄÚµÄË®ÅųöÀ´£¬AºÍB¶¼²»¿ÉÒÔ£¬C¿ÉÒÔ£¬¹ÊÌC£»

¸ù¾Ý±í¸ñÌṩµÄÊý¾Ý¿ÉÒÔ¿´³ö£¬Ë«ÑõË®µÄŨ¶ÈÔ½´ó£¬ÏàͬµÄʱ¼ä²úÉúÑõÆøµÄÌå»ýÔ½´ó£¬¹ÊÌ˫ÑõˮŨ¶ÈÔ½´ó£»

±ûʹÓõÄÊdzÆÁ¿Ê£ÓàÎïÖʵÄÖÊÁ¿µÄ·½·¨µÃ³öÓ°Ïì·´Ó¦ËÙÂʵÄÒòËØ£¬¸ù¾ÝÏàͬʱ¼äÄÚÌìƽ¶ÁÊéµÄ²îÖµ´óС£¬¿ÉÒÔ¿´³ö·´Ó¦µÄ¿ìÂý£¬¹ÊÌÏàͬʱ¼äÌìƽ¶ÁÊý²îÖµ´óС£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨2012?½­ÄþÇøһģ£©Ä³ÐËȤС×éͬѧ·¢ÏÖʵÑę́ÉÏÕûÆë°Ú·ÅµÄÒ©Æ·ÖУ¨¼ûͼ£©£¬ÓÐÒ»ÊÔ¼ÁÆ¿µÄ±êÇ©ÆÆË𣮠
¡¾Ìá³öÎÊÌâ¡¿ÕâÆ¿ÊÔ¼ÁµÄ³É·ÖÊÇʲô£¿
¡¾Éè¼ÆʵÑé¡¿
£¨1£©Ð¡Ã÷Óýྻ¸ÉÔïµÄ²£Á§°ôպȡ¸ÃÈÜÒºµÎµ½ÊªÈóµÄpHÊÔÖ½ÉÏ£¬²âµÃpH=10£¬ËûÅжÏÕâÊÇÒ»ÖÖ¼îÐÔÈÜÒº£®¶ÔËûµÄ²Ù×÷·½·¨¡¢²âÁ¿½á¹û¼°½áÂÛµÄÆÀ¼Û£¬ÕýÈ·µÄÊÇ
B
B
£»
A£®·½·¨ÕýÈ·£¬½á¹ûÕýÈ·£¬ÇÒ½áÂÛÕýÈ·          B£®·½·¨²»ÕýÈ·£¬½á¹ûƫС£¬µ«½áÂÛÕýÈ·
C£®·½·¨²»ÕýÈ·£¬½á¹ûÆ«´ó£¬½áÂÛ²»ÕýÈ·        D£®·½·¨ÕýÈ·£¬½á¹ûÕýÈ·£¬µ«½áÂÛ²»ÕýÈ·
£¨2£©Ð¡Ã÷ÈÏΪËüÊÇBa£¨OH£©2ÈÜÒº£¬Ð¡¿¡ÈÏΪËüÊÇBa£¨NO3£©2ÈÜÒº£®Òª½øÒ»²½È·¶¨ËüµÄ³É·Ö£¬Ð¡¿¡ÈÏΪֻÐèÑ¡ÔñÉÏͼÒÑÓеÄÊÔ¼Á¾ÍÄÜ°ÑËü¼ø±ð³öÀ´£®ËûÃÇÓÖ½øÐÐÁËʵÑ飮
²Ù×÷²½Öè ʵÑéÏÖÏó ½áÂÛ¼°»¯Ñ§·½³Ìʽ
È¡ÑùµÎÈëÊ¢ÓжþÑõ»¯Ì¼µÄ¼¯ÆøÆ¿ÖÐ
Óа×É«»ë×Ç
Óа×É«»ë×Ç
²ÂÏëÕýÈ·
Ïà¹ØµÄ»¯Ñ§·½³Ìʽ
CO2+Ba£¨OH£©2¨TBaCO3¡ý+H2O
CO2+Ba£¨OH£©2¨TBaCO3¡ý+H2O
¡¾ÖªÊ¶Éý»ª¡¿£¨3£©ÎÒÄÜд³öÆäÖзûºÏÏÂÁÐÌõ¼þµÄ»¯Ñ§·½³Ìʽ£¬
¢ÙÓа×É«³ÁµíµÄÖкͷ´Ó¦£º
H2SO4+Ba£¨OH£©2¨TBaSO4¡ý+2H2O
H2SO4+Ba£¨OH£©2¨TBaSO4¡ý+2H2O
£»
¢ÚÁòËáÍ­ÈÜÒºÓëÇâÑõ»¯±µÈÜÒºÖ®¼ä·´Ó¦£º
CuSO4+Ba£¨OH£©2¨TBaSO4¡ý+Cu£¨OH£©2¡ý
CuSO4+Ba£¨OH£©2¨TBaSO4¡ý+Cu£¨OH£©2¡ý
£®
£¨4£©ÎÒ·¢ÏÖNaOHºÍH2SO4ÈÜÒºÄÜ·¢Éú¸´·Ö½â·´Ó¦£¬ÒòΪÈÜÒºÖеÄH+ºÍOH-²»ÄÜ´óÁ¿¹²´æ£»ÎÒ»¹·¢ÏÖÔÚÈÜÒºÖÐ
Ba2+
Ba2+
ºÍ
SO42-
SO42-
£»
Cu2+
Cu2+
ºÍ
OH-
OH-
£¨ÌîÀë×Ó·ûºÅ£©Ò²²»ÄÜ´óÁ¿¹²´æ£®
ijÐËȤС×éͬѧ¶ÔʵÑéÊÒÖƱ¸ÑõÆøµÄÌõ¼þ£¬¼°ÑõÆøµÄÐÔÖʽøÐÐÈçÏÂ̽¾¿£®
ʵÑéÒ»£ºÎªÌ½¾¿²»Í¬´ß»¯¼Á¶ÔÂÈËá¼Ø·Ö½âËÙÂʵÄÓ°Ï죬¼×Éè¼ÆÒÔ϶ԱÈʵÑ飺
¢ñ£®½«3.0g KClO3Óë1.0g MnO2¾ùÔÈ»ìºÏ¼ÓÈÈ
¢ò£®½«x g KClO3Óë1.0g CuO¾ùÔÈ»ìºÏ¼ÓÈÈ
ÔÚÏàͬζÈÏ£¬±È½ÏÁ½×éʵÑé²úÉúO2µÄ¿ìÂý£®
£¨1£©¢ñÖз´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ
2KClO3
 MnO2 
.
¡÷
2KCl+3O2¡ü
2KClO3
 MnO2 
.
¡÷
2KCl+3O2¡ü
£¬¸Ã·´Ó¦ÀàÐÍΪ
·Ö½â·´Ó¦
·Ö½â·´Ó¦
£»
£¨2£©¢òÖÐxµÄֵӦΪ
3.0
3.0
£®
ʵÑé¶þ£ºÒÒ̽¾¿ÁËÓ°ÏìË«ÑõË®£¨¼´¹ýÑõ»¯ÇâÈÜÒº£©·Ö½âËÙÂʵÄijÖÖÒòËØ£®ÊµÑéÊý¾ÝÈçÏ£º
Ë«ÑõË®µÄÖÊÁ¿ Ë«ÑõË®µÄŨ¶È MnO2µÄÖÊÁ¿ Ïàͬʱ¼äÄÚ²úÉúO2Ìå»ý
¢ñ 50.0g 1% 0.1g 9mL
¢ò 50.0g 2% 0.1g 16mL
¢ó 50.0g 4% 0.1g 31mL
£¨1£©·ÖÎö±íÖÐÊý¾Ý¿ÉÖª£ºÔÚÏàͬÌõ¼þÏ£¬
Ë«ÑõˮŨ¶ÈÔ½´ó
Ë«ÑõˮŨ¶ÈÔ½´ó
£¬Ë«ÑõË®·Ö½âµÃÔ½¿ì£®
£¨2£©Èô²â¶¨ÏàͬÌõ¼þÏÂ
²úÉúÏàͬÌå»ýµÄÑõÆøËùÐèʱ¼ä
²úÉúÏàͬÌå»ýµÄÑõÆøËùÐèʱ¼ä
£¬Ò²¿ÉµÃ³öÏàͬµÄ½áÂÛ£®
ʵÑéÈý£ººÆȻͬѧ×öϸÌúË¿ÔÚÑõÆøÖÐȼÉÕµÄʵÑéʱ£¬Ëû°ÑϸÌúË¿ÈƳÉÂÝÐý×´£¬Ò»¶ËϵÔÚÒ»¸ù´ÖһЩµÄÌúË¿ÉÏ£¬ÁíÒ»¶ËϵÉÏÒ»¸ù»ð²ñ£®µãȼ»ð²ñºó£¬Ñ¸ËÙ°ÑϸÌúË¿Á¬Í¬»ð²ñÒ»Æð²åÈ뼯Æøƿϲ¿£¨Ã»ÓнӴ¥µ½Ï¸É³£¬ÈçͼËùʾ£©£¬µ«²»¼ûÌú˿ȼÉÕ£®Èç´Ë·´¸´Êý´Î£¬ÊµÑé¾ùδ³É¹¦£®
£¨1£©¸Ãͬѧʧ°ÜµÄ¿ÉÄÜÔ­ÒòÊÇ
ÌúË¿ÉúÐâ
ÌúË¿ÉúÐâ
£®¸Ä½øºó£¬ÊµÑé³É¹¦ÁË£®
£¨2£©ÌúË¿ÔÚÑõÆøÖÐȼÉÕµÄÏÖÏóÊÇ
¾çÁÒȼÉÕ£¬»ðÐÇËÄÉ䣬·Å³ö´óÁ¿µÄÈÈ£¬Éú³ÉÒ»ÖÖºÚÉ«¹ÌÌå
¾çÁÒȼÉÕ£¬»ðÐÇËÄÉ䣬·Å³ö´óÁ¿µÄÈÈ£¬Éú³ÉÒ»ÖÖºÚÉ«¹ÌÌå
£»
£¨3£©·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ
3Fe+2O2
 µãȼ 
.
 
Fe3O4
3Fe+2O2
 µãȼ 
.
 
Fe3O4
£»
£¨4£©¼¯ÆøÆ¿ÖÐϸɳµÄ×÷ÓÃ
·ÀÖ¹ÈÛ»¯ÎヲÂäÏÂÀ´£¬Ôì³É¼¯ÆøÆ¿ÆÆÁÑ
·ÀÖ¹ÈÛ»¯ÎヲÂäÏÂÀ´£¬Ôì³É¼¯ÆøÆ¿ÆÆÁÑ
£®

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

¾«Ó¢¼Ò½ÌÍø