ÌâÄ¿ÄÚÈÝ
3£®ÔÚ500¡æÏ£¬ÏòijºãÈÝÃܱÕÈÝÆ÷ÖÐͶÈëamolA2ºÍbmolB2·¢Éú¿ÉÄæ·´Ó¦A2£¨g£©+B2£¨g£©?2AB£¨g£©£¬¡÷H£¾0£¬ABµÄÎïÖʵÄÁ¿Óëʱ¼ä¹ØϵÈçͼËùʾ£º£¨1£©´ïµ½Æ½ºâʱ£¬A2¡¢B2µÄת»¯ÂÊÖ®±ÈΪb£ºa£¬¸ù¾ÝͼÏóºÍÏà¹ØÊý¾Ý£¬ÅжÏÄÜ·ñÇó³öƽºâ³£ÊýK²¢¼òÊöÀíÓÉ£º²»ÄÜ£¬Æ½ºâ³£Êý±í´ïʽK=$\frac{{c}^{2}£¨AB£©}{c£¨{A}_{2}£©¡Ác£¨{B}_{2}£©}$£¬·´Ó¦Ç°ºóÆøÌåµÄÌå»ý²»±ä£¬¿ÉÒÔÓÃÎïÖʵÄÁ¿´úÌæŨ¶È¼ÆËãƽºâ³£Êý£¬µ«Æ½ºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿Óëת»¯ÂÊÓйأ»
£¨2£©Èô´ïµ½Æ½ºâºó£¬Í¬Ê±À©´óÈÝÆ÷Ìå»ýºÍÉý¸ßζȣ¬Æ½ºâÒƶ¯·½ÏòÊÇb£®
a£®Ïò×ób£®ÏòÓÒc£®²»¶¯d£®²»È·¶¨
£¨3£©Èô´ïµ½Æ½ºâʱ£¬ÏòÈÝÆ÷ÖгäÈë1molAB£¨g£©£¬A2µÄÎïÖʵÄÁ¿½«Ôö´ó£¨Ìî¡°Ôö´ó¡±¡°¼õС¡±»ò¡°²»±ä¡±£©£®
·ÖÎö £¨1£©ÔÚ500¡æÏ£¬ÏòijºãÈÝÃܱÕÈÝÆ÷ÖÐͶÈëamolA2ºÍbmolB2£¬Æ½ºâʱABµÄÎïÖʵÄÁ¿Îªm mol£¬Ôò£º
A2£¨g£©+B2£¨g£©?2AB£¨g£©
ÆðʼÁ¿£¨mol£©£ºa b 0
±ä»¯Á¿£¨mol£©£º0.5m 0.5m m
ƽºâÁ¿£¨mol£©£ºa-0.5m b-0.5m m
¾Ý´Ë¼ÆËãת»¯ÂÊÖ®±È£¬Æ½ºâ³£Êý±í´ïʽK=$\frac{{c}^{2}£¨AB£©}{c£¨{A}_{2}£©¡Ác£¨{B}_{2}£©}$£¬·´Ó¦Ç°ºóÆøÌåµÄÌå»ý²»±ä£¬¿ÉÒÔÓÃÎïÖʵÄÁ¿´úÌæŨ¶È¼ÆËãƽºâ³£Êý£¬µ«Æ½ºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿Óëת»¯ÂÊÓйأ»
£¨2£©Èô´ïµ½Æ½ºâºó£¬Í¬Ê±À©´óÈÝÆ÷Ìå»ýºÍÉý¸ßζȣ¬À©´óÈÝÆ÷£¬Ñ¹Ç¿¼õС£¬²»Ó°ÏìƽºâÒƶ¯£¬¶øÉý¸ßζÈƽºâÏòÎüÈÈ·´Ó¦Òƶ¯£»
£¨3£©Èô´ïµ½Æ½ºâʱ£¬ÏòÈÝÆ÷ÖгäÈë1molAB£¨g£©£¬Æ½ºâÄæÏòÒƶ¯£®
½â´ð ½â£º£¨1£©ÔÚ500¡æÏ£¬ÏòijºãÈÝÃܱÕÈÝÆ÷ÖÐͶÈëamolA2ºÍbmolB2£¬Æ½ºâʱABµÄÎïÖʵÄÁ¿Îªm mol£¬Ôò£º
A2£¨g£©+B2£¨g£©?2AB£¨g£©
ÆðʼÁ¿£¨mol£©£ºa b 0
±ä»¯Á¿£¨mol£©£º0.5m 0.5m m
ƽºâÁ¿£¨mol£©£ºa-0.5m b-0.5m m
´ïµ½Æ½ºâʱ£¬A2¡¢B2µÄת»¯ÂÊÖ®±ÈΪ$\frac{0.5m}{a}$£º$\frac{0.5m}{b}$=b£ºa£¬Æ½ºâ³£Êý±í´ïʽK=$\frac{{c}^{2}£¨AB£©}{c£¨{A}_{2}£©¡Ác£¨{B}_{2}£©}$£¬·´Ó¦Ç°ºóÆøÌåµÄÌå»ý²»±ä£¬¿ÉÒÔÓÃÎïÖʵÄÁ¿´úÌæŨ¶È¼ÆËãƽºâ³£Êý£¬µ«Æ½ºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿Óëת»¯ÂÊÓйأ¬²»ÄÜÇó³öƽºâ³£Êý£¬
¹Ê´ð°¸Îª£ºb£ºa£»²»ÄÜ£¬Æ½ºâ³£Êý±í´ïʽK=$\frac{{c}^{2}£¨AB£©}{c£¨{A}_{2}£©¡Ác£¨{B}_{2}£©}$£¬·´Ó¦Ç°ºóÆøÌåµÄÌå»ý²»±ä£¬¿ÉÒÔÓÃÎïÖʵÄÁ¿´úÌæŨ¶È¼ÆËãƽºâ³£Êý£¬µ«Æ½ºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿Óëת»¯ÂÊÓйأ»
£¨2£©Èô´ïµ½Æ½ºâºó£¬Í¬Ê±À©´óÈÝÆ÷Ìå»ýºÍÉý¸ßζȣ¬À©´óÈÝÆ÷£¬Ñ¹Ç¿¼õС£¬²»Ó°ÏìƽºâÒƶ¯£¬Õý·´Ó¦ÎªÎüÈÈ·´Ó¦£¬¶øÉý¸ßζÈƽºâÕýÏòÒƶ¯£¬¹ÊÑ¡£ºb£»
£¨3£©Èô´ïµ½Æ½ºâʱ£¬ÏòÈÝÆ÷ÖгäÈë1molAB£¨g£©£¬Æ½ºâÄæÏòÒƶ¯£¬A2µÄÎïÖʵÄÁ¿½«Ôö´ó£¬¹Ê´ð°¸Îª£ºÔö´ó£®
µãÆÀ ±¾Ì⿼²é»¯Ñ§Æ½ºâ¼ÆËãÓëÓ°ÏìÒòËØ¡¢Æ½ºâ³£Êý£¬×¢Òâ¶Ôƽºâ³£ÊýµÄÀí½âÓëÁé»îÓ¦Óã¬ÄѶÈÖеȣ®
A£® | SO2¡¢H2S¡¢O2 | B£® | CH4¡¢H2¡¢O2 | C£® | C2H4¡¢N2¡¢NH3 | D£® | HCl¡¢C12¡¢CO2 |
A£® | O2ºÍO3 | B£® | H2ºÍD2 | C£® | ${\;}_{1}^{1}$HºÍ${\;}_{1}^{2}$H | D£® | CH4 ºÍC2H6 |
A£® | B£® | C£® | D£® |
ÑôÀë×Ó | Ag+¡¡¡¡¡¡Na+ |
ÒõÀë×Ó | NO3-¡¡¡¡SO42-¡¡¡¡¡¡Cl- |
£¨1£©MΪµçÔ´µÄ¸º¼«£¨Ìî¡°Õý¡±»ò¡°¸º¡±£©£¬eµç¼«ÉϲúÉúµÄÆøÌåÌå»ýΪ2.8L£¨±ê×¼×´¿öÏ£©£®
£¨2£©eµç¼«ÉÏ·¢ÉúµÄµç¼«·´Ó¦Îª2H++2e-=H2¡ü£®