ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿»¯Ñ§ÐËȤС×éΪÑéÖ¤ÖÊÁ¿Êغ㶨ÂÉ£¬×öÁËþÌõÔÚ¿ÕÆøÖÐȼÉÕµÄʵÑ飨ͼһ£©¡£
£¨1£©Çëд³öþÌõÓëÑõÆø·´Ó¦µÄ»¯Ñ§·½³Ìʽ_____________¡£
£¨2£©¾²âÁ¿·¢ÏÖȼÉÕ²úÎïµÄÖÊÁ¿_______£¨Ìî¡°´óÓÚ¡±¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©Ã¾ÌõµÄÖÊÁ¿£¬·ÖÎö¿ÉÖª³öÏÖÕâÒ»½á¹ûµÄÔÒòÊÇ_________¡£
£¨3£©ÐËȤС×鰴ͼ¶þ×°ÖøĽøʵÑéºó£¬ÑéÖ¤ÁËÖÊÁ¿Êغ㶨ÂÉ£¬Í¬Ê±·¢ÏÖȼÉÕ²úÎïÖÐÓÐÉÙÁ¿»ÆÉ«¹ÌÌå¡£
£¨Ìá³öÎÊÌ⣩»ÆÉ«¹ÌÌåÊÇʲôÄØ£¿
£¨²éÔÄ×ÊÁÏ£©¢ÙÑõ»¯Ã¾Îª°×É«¹ÌÌ壬³£ÎÂÏÂÓëË®²»·´Ó¦£»¢ÚþÄÜÓ뵪Æø·´Ó¦Éú³É»ÆÉ«µÄµª»¯Ã¾£¨Mg3N2£©¹ÌÌ壻¢Ûµª»¯Ã¾¿ÉÓëË®¾çÁÒ·´Ó¦²úÉú°±Æø£¬¸ÃÆøÌåÄÜʹʪÈóµÄºìɫʯÈïÊÔÖ½±äÀ¶¡£
£¨×ö³ö²ÂÏ룩»ÆÉ«¹ÌÌåΪMg3N2
£¨½øÐÐʵÑ飩ͬѧÃÇͨ¹ýʵÑé¶Ô²ÂÏë½øÐÐÁËÑéÖ¤£¬ÇëÄ㽫ʵÑé¼Ç¼±í²¹³äÍêÕû
ʵÑé²Ù×÷ | ʵÑéÏÖÏó | ½áÂÛ |
½«Ã¾·ÛȼÉյIJúÎï·ÅÔÚÒ»Ö»ÊÔ¹ÜÖУ¬¼ÓÈëÉÙÁ¿µÄÕôÁóË®£¬È»ºó½«Ò»ÊªÈóµÄºìɫʯÈïÊÔÖ½·ÅÔÚÊԹܿڣ¬¹Û²ìÏÖÏó | _______ | »ÆÉ«¹ÌÌå Ϊµª»¯Ã¾ |
£¨·´Ë¼Óë½»Á÷£©¿ÕÆøÖеªÆøµÄº¬Á¿Ô¶´óÓÚÑõÆøµÄº¬Á¿£¬¶øþÌõÔÚ¿ÕÆøÖÐȼÉÕÉú³ÉµÄÑõ»¯Ã¾È´Ô¶¶àÓÚµª»¯Ã¾£¬ÊÇÒòΪ ___________¡£Ã¾Ìõ_________£¨Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±£©´úÌæºìÁ××ö²â¶¨¿ÕÆøÖÐÑõÆøº¬Á¿µÄʵÑ飬ÒòΪ________________¡£
¡¾´ð°¸¡¿2Mg+O22MgO ´óÓÚ ·´Ó¦²úÎïÖжàÁ˲μӷ´Ó¦µÄÑõÆøµÄÖÊÁ¿£¨Òâ˼¶Ô¼´¿É£© ʪÈóµÄºìɫʯÈïÊÔÖ½±äÀ¶ ÑõÆøµÄ»¯Ñ§ÐÔÖʱȵªÆø»îÆà ²»ÄÜ Ã¾Ìõ²»½öÄÜÓë¿ÕÆøÖеÄÑõÆø·´Ó¦£¬»¹ÄÜÓ뵪Æø·´Ó¦
¡¾½âÎö¡¿
£¨1£©Ã¾ÌõÓëÑõÆø·´Ó¦Éú³ÉÑõ»¯Ã¾£¬·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º2Mg+O22MgO£»
£¨2£©¾²âÁ¿·¢ÏÖȼÉÕ²úÎïµÄÖÊÁ¿´óÓÚ·´Ó¦ÎïþÌõµÄÖÊÁ¿£¬ÒòΪ¿ÕÆøÖеÄÑõÆøºÍþ·´Ó¦Éú³ÉÁËÑõ»¯Ã¾£¬·´Ó¦²úÎïÖжàÁ˲μӷ´Ó¦µÄÑõÆøµÄÖÊÁ¿¡£
£¨3£©[½øÐÐʵÑé]°ÑÒ»¶¨Á¿µÄµª»¯Ã¾·ÅÈëÊÔ¹ÜÖУ¬È»ºó¼ÓÈëÊÊÁ¿µÄË®£¬°ÑʪÈóµÄºìɫʯÈïÊÔÖ½·ÅÔÚÊԹܿڣ¬ÏÖÏóºÍ½áÂÛÊÇ£»ÓдóÁ¿ÆøÅÝð³ö£¬ÊªÈóµÄºìɫʯÈïÊÔÖ½±äÀ¶£¬Òò´Ë»ÆÉ«¹ÌÌåÊÇMg3N2£»
[·´Ë¼Óë½»Á÷]
¿ÕÆøÖÐN2µÄº¬Á¿Ô¶´óÓÚO2µÄº¬Á¿£¬¶øþÌõÔÚ¿ÕÆøÖÐȼÉÕÉú³ÉµÄMgOµÄÖÊÁ¿È´´óÓÚMg3N2£¬ºÏÀíµÄ½âÊÍÊÇ£ºÑõÆø±ÈµªÆø»îÆã¬ÏàͬÌõ¼þÏÂÒÔºÍÑõÆø·´Ó¦ÎªÖ÷£»
þÌõ²»ÄÜ´úÌæºìÁ××ö²â¶¨¿ÕÆøÖÐÑõÆøº¬Á¿µÄʵÑ飬ÒòΪþÌõ²»½öÄÜÓë¿ÕÆøÖеÄÑõÆø·´Ó¦£¬»¹ÄÜÓ뵪Æø·´Ó¦¡£
¡¾ÌâÄ¿¡¿Ï±íÊÇNaClºÍKNO3ÎïÖÊÔÚ²»Í¬Î¶ÈϵIJ¿·ÖÈܽâ¶ÈÊý¾Ý£¨µ¥Î»£ºg/100gË®£©£¬Çë»Ø´ðÎÊÌ⣺
ζȣ¨¡æ£© | 10 | 20 | 30 | 40 | 60 |
NaCl | 35.8 | 36.0 | 36.3 | 36.6 | 37.3 |
KNO3 | 20.9 | 31.6 | 45.8 | 63.9 | 110 |
£¨1£©20¡æʱ£¬NaClµÄÈܽâ¶ÈÊÇ_____g/100gË®£»
£¨2£©ÒÔÉÏÁ½ÖÖÎïÖÊÈܽâ¶È±ä»¯ÊÜζÈÓ°Ïì½ÏСµÄÊÇ_____£¨Ñ¡Ìî¡°NaCl¡±»ò¡°KNO3¡±£©£»
£¨3£©20¡æʱ£¬½«20gNaCl¹ÌÌå¼ÓÈë50gË®ÖУ¬³ä·Ö½Á°è£¬ÐγɵÄÈÜÒºÖÊÁ¿Îª_____g£»
£¨4£©ÎªÁ˽«»ìÓÐÉÙÁ¿NaClÔÓÖʵÄKNO3µÄ±¥ºÍÈÜÒºÌá´¿£¬¿Éͨ¹ý_____·½·¨»ñµÃ½Ï´¿¾»µÄKNO3¾§Ì壻
£¨5£©40¡æʱ£¬½«NaClºÍKNO3µÄ±¥ºÍÈÜÒº¸÷100g½µÎµ½20¡æ£¬¶ÔÊ£ÓàÈÜÒºÃèÊöÕýÈ·µÄÊÇ_____¡£
A ÈÜÖʵÄÖÊÁ¿·ÖÊý£ºNaCl£¼KNO3
B Îö³ö¹ÌÌåµÄÖÊÁ¿£ºNaCl£¾KNO3
C NaClºÍKNO3¶¼ÊDZ¥ºÍÈÜÒº
D ÈܼÁµÄÖÊÁ¿£ºNaCl£¾KNO3