î⣨ԪËØ·ûºÅMo£©ÊÇÒø»ÒÉ«µÄÄÑÈÛ½ðÊô£¬³£¼û»¯ºÏ¼ÛΪ+6¡¢+5¡¢+4£¬³£ÎÂÏÂîâÔÚ¿ÕÆøÖкÜÎȶ¨£¬¸ßÓÚ600 ¡æʱºÜ¿ìµØÑõ»¯Éú³ÉÈýÑõ»¯î⣨MoO3£©£»

»Ôî⾫¿ó£¨Ö÷Òª³É·ÖΪMoS2£©ÊÇÉú²úîâµÄÖ÷ÒªÔ­ÁÏ¡£ÖÆÈ¡¹ý³Ì°üÀ¨Ñõ»¯±ºÉÕ£¬ÈýÑõ»¯îâ¡¢îâ·ÛºÍÖÂÃÜîâµÄÖÆÈ¡µÈÖ÷Òª²½Ö裬¹¤ÒÕÁ÷³ÌÈçͼ£º

£¨1£©»Ôî⾫¿óÔÚ600¡æϽøÐÐÑõ»¯±ºÉÕ ×ª»¯ÎªMoO3£¬Í¬Ê±²úÉúSO2ÆøÌå¡£Ö÷Òª·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º                                                    ¡£îâÒ±Á¶³§¶Ô´óÆøµÄÎÛȾÖ÷ÒªÀ´×ÔÓÚ       £¬ÄãÈÏΪÀûÓò¢´¦Àí¸Ã¸±²úÎïµÄ×îºÃ´ëÊ©ÊÇ                                      

                                £»

£¨2£©ÈýÑõ»¯îâµÄÖÆÈ¡  

½«±ºÉ°£¨Ö÷Òª³É·Ö£ºMoO3£©Óð±Ë®½þ³ö£¬Ó백ˮ·´Ó¦Éú³ÉîâËáï§[£¨NH4£©2MoO4]ÈÜÒº£º·´Ó¦µÄÀë×Ó·½³ÌʽΪ£º                                                £»

¸Ã·´Ó¦£º       £¨ÌîÊÇ»ò²»ÊÇ£©Ñõ»¯»¹Ô­·´Ó¦¡£

½«ËùµÃîâËáï§[£¨NH4£©2MoO4]ÈÜÒº¼ÓÈȵ½55¡«65 ¡æ£¬ÓÃÑÎËáµ÷½ÚÖÁÈÜÒºµÄpHΪ2£¬½Á°èÎö³ö¶àîâËáï§[£¨NH4£©2O?mMoO3?nH2O]¾§Ì壻Ϊ³ýÈ¥¸Æ¡¢Ã¾¡¢ÄƵÈÔÓÖÊ£¬½«¶àîâËáï§ÖØÐÂÈÜÓÚ°±Ë®ÐγÉîâËá泥¬Ê¹°±»Ó·¢ºóÉú³ÉÖÙîâËá茶§Ìå[£¨NH4£©2O?7MoO3?4H2O]£¬½«ÖÙîâËá茶§ÌåÍÑË®¡¢ìÑÉյô¿¶ÈΪ99£®95%µÄÈýÑõ»¯î⣨MoO3£©¡£

£¨3£©½ðÊôîâ·ÛµÄÉú²ú£º  

¹¤ÒµÉÏÔÚ¹Ü×´µç¯ÖÐÓÃÇâÆø·ÖÁ½²½»¹Ô­ÈýÑõ»¯îâµÃµ½îâ·Û£º

¢Ù ÔÚ450¡«650¡æÏ£º MoO3 + 3H2 === MoO2 + 3H2O

¢Ú ÔÚ900¡«950 ¡æÏ£ºMoO2 + 2H2 === Mo + 2H2O

ijͬѧ¸ù¾ÝÉÏÊö»¹Ô­Ô­Àí£¬ÈÏΪ»¹¿ÉÓà      µÈ»¹Ô­¼Á»¹Ô­MoO3µÃµ½îâ·Û¡£

£¨1£©2MoS2 + 7O2£½ 2MoO3 + 4SO2  £»

SO2£»»ØÊÕSO2 ÔÙÀûÓÃ

£¨2£©MoO3£«2NH3?H2O£½2NH + MoO£«H2O£» ²»ÊÇ

£¨3£©CO

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍø«ËñÖеÄÌ춬õ£°·£¨½á¹¹Èçͼ£©ºÍ΢Á¿ÔªËØÎø¡¢¸õ¡¢Ã̵ȣ¬¾ßÓÐÌá¸ßÉíÌåÃâÒßÁ¦µÄ¹¦Ð§£®  
£¨1£©Ì춬õ£°·Ëùº¬ÔªËØÖУ¬
 
£¨ÌîÔªËØÃû³Æ£©ÔªËØ»ù̬ԭ×ÓºËÍâδ³É¶Ôµç×ÓÊý×î¶à£®
£¨2£©Ì춬õ£°·ÖÐ̼ԭ×ÓµÄÔÓ»¯¹ìµÀÀàÐÍÓÐ
 
ÖÖ£®
£¨3£©H2SºÍH2SeµÄ²ÎÊý¶Ô±È¼û±í£®
»¯Ñ§Ê½ ¼ü³¤/nm ¼ü½Ç ·Ðµã/¡æ
 H2S 1.34 92.3¡ã -60.75
H2Se 1.47 91.0¡ã -41.50
¢ÙH2SeµÄ¾§ÌåÀàÐÍΪ
 
£¬º¬ÓеĹ²¼Û¼üÀàÐÍΪ
 
£®
¢ÚH2SµÄ¼ü½Ç´óÓÚH2SeµÄÔ­Òò¿ÉÄÜΪ
 
£®
£¨4£©ÒÑÖªî⣨Mo£©Î»ÓÚµÚÎåÖÜÆÚVIB×壬îâ¡¢¸õ¡¢Ã̵IJ¿·ÖµçÀëÄÜÈç±íËùʾ
񅧏 I5/kJ?mol-1 I6/kJ?mol-1 I7/kJ?mol-1 I8/kJ?mol-1
A 6990 9220 11500 18770
B 6702 8745 15455 17820
C 5257 6641 12125 13860
AÊÇ
 
£¨ÌîÔªËØ·ûºÅ£©£¬BµÄ¼Ûµç×ÓÅŲ¼Ê½Îª
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2013-2014ѧÄ긣½¨Ê¡ÏÃÃÅÊиßÈýÖÊÁ¿¼ì²é£¨µÚÒ»´Î£©Àí×Û»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

«ËñÖеÄÌ춬õ£°·£¨½á¹¹Èçͼ£©ºÍ΢Á¿ÔªËØÎø¡¢¸õ¡¢Ã̵ȣ¬¾ßÓÐÌá¸ßÉíÌåÃâÒßÁ¦µÄ¹¦Ð§¡£

£¨1£©Ì춬õ£°·Ëùº¬ÔªËØÖУ¬_______(ÌîÔªËØÃû³Æ)ÔªËØ»ù̬ԭ×ÓºËÍâδ³É¶Ôµç×ÓÊý×î¶à¡£

£¨2£©Ì춬õ£°·ÖÐ̼ԭ×ÓµÄÔÓ»¯¹ìµÀÀàÐÍÓÐ_______ÖÖ¡£

£¨3£©H2SºÍH2SeµÄ²ÎÊý¶Ô±È¼ûÏÂ±í¡£

¢ÙH2SeµÄ¾§ÌåÀàÐÍΪ_________£¬º¬ÓеĹ²¼Û¼üÀàÐÍΪ_________¡£

¢ÚH2SµÄ¼ü½Ç´óÓÚH2SeµÄÔ­Òò¿ÉÄÜΪ____________________¡£

£¨4£©ÒÑÖªÂÁ(Mo)λÓÚµÚÎåÖÜÆÚVIB×壬îâ¡¢¸õ¡¢Ã̵IJ¿·ÖµçÀëÄÜÈçϱíËùʾ

AÊÇ____________(ÌîÔªËØ·ûºÅ)£¬BµÄ¼Ûµç×ÓÅŲ¼Ê½Îª???????????? ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸