ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ£¬Ìå»ýΪVµÄÃܱյÄÆû¸×£¬Á½²àÓëÒ»¡°U¡±ÐÎϸ¹ÜµÄÁ½¶ËÏàÁ¬£¬Æû¸×±Úµ¼ÈÈ£¬¡°U¡±ÐιÜÄÚÊ¢ÓÐË®Òø¡£¾øÈÈ»îÈûͨ¹ý²åÏú¹Ì¶¨£¬½«Æû¸×·Ö³É×ó¡¢ÓÒÁ½¸öÆøÊÒ£¬¿ªÊ¼Ê±£¬×óÆøÊÒµÄÌå»ýÊÇÓÒÆøÊÒµÄÌå»ýµÄÒ»°ë£¬ÆøÌåµÄѹǿ¾ùΪ75 cmHg¡£Íâ½çζȺãΪ27¡æ¡£»ºÂý¼ÓÈÈ×óÆøÊÒµÄÆøÌ壬ʹÁ½²àË®ÒøÃæµÄ¸ß¶È²îh =25 cm£¬¡°U¡±ÐιÜÖÐÆøÌåµÄÌå»ýºÍ»îÈûµÄÌå»ýºöÂÔ²»¼Æ£¬ÆøÊÒÄÚÆøÌå¿ÉÊÓΪÀíÏëÆøÌå¡£
(i)Çó´Ëʱ×óÆøÊÒÄÚÆøÌåµÄζȣ»
(ii)±£³Ö¢ÙÖÐ×óÆøÊÒÄÚζȲ»±ä£¬°Îµô»îÈûµÄ²åÏú£¬»îÈû¿ÉÎÞĦ²ÁÒƶ¯£¬Çó×îºóÎȶ¨Ê±£¬ÆøÌåµÄѹǿºÍ×óÆøÊÒÄÚÆøÌåÌå»ýµÄÔö¼ÓÁ¿¡£
¡¾´ð°¸¡¿(1) £¨2£© ,
¡¾½âÎö¡¿(i)ÓÒÆøÊÒÄÚÆøÌåζȡ¢Ìå»ý¾ù²»±ä£¬Ñ¹Ç¿²»±ä¡£×óÆøÊÒÆøÌå³ö״̬p0 =75 cmHg£¬T0 = 300 K¡£¼ÓÈȺó£¬p =100 cmHg
ÓɲéÀí¶¨ÂÉ
µÃT = 400 K
(ii)×îÖÕÁ½ÆøÊÒÄÚÆøÌåѹǿÏàµÈ£¬ÉèΪp£¬×óÆøÊÒ×ÜÔö¼ÓÁ¿ÎªV£¬Óɲ£Òâ¶ú¶¨Âɵãº
½âµÃ£º £¬p =83 cmHg