ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÖÊÁ¿²»¼ÆµÄ¹â»¬»îÈû±»Ïú¶¤¹Ì¶¨£¬Ê¹Ò»¶¨Á¿ÆøÌå±»·â±ÕÔÚÈÝÆ÷µÄÉϲ¿£¬ÈÝÆ÷ϲ¿Óë´óÆøÁ¬Í¨£¬ÈÝÆ÷Éϲ¿Á¬½ÓÓÐÒ»UÐιܣ¨UÐιÜÄÚÆøÌåµÄÌå»ýºöÂÔ²»¼Æ£¬ÈÝÆ÷ϲ¿×ã¹»¸ß£©¡£´ËʱÈÝÆ÷Éϲ¿·â±ÕÆøÌåµÄÌå»ýΪV£¬ÊÒÎÂΪ300K£¬UÐιÜÁ½
±ßË®ÒøÖù¸ß¶È²îΪ24cm£¨Íâ½ç´óÆøѹµÈÓÚ76 cmHg£©. ÎÊ£º
£¨1£©´ËʱÈÝÆ÷Éϲ¿µÄÆøÌåѹǿΪ¶àÉÙ£¿
£¨2£©½«·â±ÕÔÚÈÝÆ÷ÖеÄÆøÌå¼ÓÈȵ½Ò»¶¨Î¶Ⱥó·¢ÏÖUÐιÜÁ½±ßË®Òø
Öù¸ß¶È²î±äΪ38cm£¬ÄÇôÕâʱ·â±ÕÆøÌåµÄζÈT2Ϊ¶àÉÙK£¿
£¨3£©±£³ÖÆøÌåµÄζÈT2²»±äµÄÌõ¼þÏ°εôÏú¶¤£¬»îÈûÎȶ¨Ê±UÐιÜ
ÄÚÁ½±ßË®ÒøÃæµÄ¸ß¶È²îºÍÈÝÆ÷Éϲ¿ÆøÌåµÄÌå»ý¸÷Ϊ¶àÉÙ£¿
±ßË®ÒøÖù¸ß¶È²îΪ24cm£¨Íâ½ç´óÆøѹµÈÓÚ76 cmHg£©. ÎÊ£º
£¨1£©´ËʱÈÝÆ÷Éϲ¿µÄÆøÌåѹǿΪ¶àÉÙ£¿
£¨2£©½«·â±ÕÔÚÈÝÆ÷ÖеÄÆøÌå¼ÓÈȵ½Ò»¶¨Î¶Ⱥó·¢ÏÖUÐιÜÁ½±ßË®Òø
Öù¸ß¶È²î±äΪ38cm£¬ÄÇôÕâʱ·â±ÕÆøÌåµÄζÈT2Ϊ¶àÉÙK£¿
£¨3£©±£³ÖÆøÌåµÄζÈT2²»±äµÄÌõ¼þÏ°εôÏú¶¤£¬»îÈûÎȶ¨Ê±UÐιÜ
ÄÚÁ½±ßË®ÒøÃæµÄ¸ß¶È²îºÍÈÝÆ÷Éϲ¿ÆøÌåµÄÌå»ý¸÷Ϊ¶àÉÙ£¿
£¨1£©100cmHg£¨2£©T2=342K£¨3£©V3=1.5V
£¨1£©P=P0+h=100cmHg ------------4·Ö
£¨2£©¼ÓÈȹý³Ì£¬·â±ÕÆøÌåµÄÌå»ý²»±ä£¬ÔËÓòéÀí¶¨ÂÉ£º
P1="100" cmHg£¬T1="300K," P2="114" cmHg
¿ÉµÃ£ºT2=342K------------5·Ö
£¨3£©°ÎµôÏú¶¤£¬»îÈûÔ˶¯¹ý³ÌζȲ»±ä£¬ÔËÓò£Òâ¶ú¶¨ÂÉ£º
P2V2=P3V3
P2="114" cmHg , V2=V, P3=PO
V3=1.5V------------5·Ö
£¨2£©¼ÓÈȹý³Ì£¬·â±ÕÆøÌåµÄÌå»ý²»±ä£¬ÔËÓòéÀí¶¨ÂÉ£º
P1="100" cmHg£¬T1="300K," P2="114" cmHg
¿ÉµÃ£ºT2=342K------------5·Ö
£¨3£©°ÎµôÏú¶¤£¬»îÈûÔ˶¯¹ý³ÌζȲ»±ä£¬ÔËÓò£Òâ¶ú¶¨ÂÉ£º
P2V2=P3V3
P2="114" cmHg , V2=V, P3=PO
V3=1.5V------------5·Ö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿