ÌâÄ¿ÄÚÈÝ
£¨12·Ö£©ÈçͼËùʾ£¬Ò»Á¬Í¨Æ÷ÓëÖüÓÐË®ÒøµÄÆ¿Mͨ¹ýÈí¹ÜÏàÁ¬£¬Á¬Í¨Æ÷µÄÁ½Ö§É϶˷â±Õ¡¢´Öϸ¾ùÔÈ¡¢ÄÚ¾¶ÏàͬµÄÖ±¹ÜAºÍBÊúÖ±·ÅÖ㬹ÜÄÚË®ÒøµÄÉÏ·½¾ù·âÓпÕÆø¡£A¡¢BÁ½¹ÜÄÚË®ÒøÃæµÄ¸ß¶È²îΪh cm¡¢¿ÕÆøÖùµÄ³¤¶È¾ùΪ2h cm¡£ÒÑÖªµ±¿ÕÆøµÄζȶ¼ÎªT0 Kʱ£¬A¹ÜÄÚ¿ÕÆøµÄѹǿÓë3h cm¸ßµÄË®ÒøÖù²úÉúµÄѹǿÏàµÈ¡£ÏÖʹÁ½¹ÜÄÚ¿ÕÆøÖùµÄζȶ¼Éý¸ßµ½1.5T0 K£¬Í¬Ê±µ÷½ÚMµÄ¸ß¶È£¬Ê¹B¹ÜÖеÄË®ÒøÃæµÄ¸ß¶È²»±ä¡£Çó£º
£¨1£©´ËʱB¹ÜÖÐÆøÌåµÄѹǿ£»
£¨2£©Á÷ÈëA¹ÜµÄË®ÒøÖùµÄ³¤¶È¡£
½âÎö£º
£¨1£©pB1=4h£¨cmHg£©
BÖÐÆøÌå״̬±ä»¯ÎªµÈÈݹý³Ì£¬¼´
£¬½âÖ®µÃ´ËʱB¹ÜÖÐÆøÌåµÄѹǿ pB2=6h£¨cmHg£©
£¨2£©ÉèÁ÷ÈëA¹ÜµÄË®ÒøÖùµÄ³¤¶ÈΪ¦¤h£¬
Ôò£ºPA2=5h-¦¤h£¨cmHg£©£¬lA2=2h-¦¤h£¨cm£©
AÖÐÆøÌå״̬±ä»¯·ûºÏÀíÏëÆøÌå״̬·½³Ì£¬¼´
½âÖ®£¬µÃÁ÷ÈëA¹ÜµÄË®ÒøÖùµÄ³¤¶È£¨cm£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿