ÌâÄ¿ÄÚÈÝ
ÆøÌåζȼƽṹÈçͼËùʾ£®²£Á§²âÎÂÅÝAÄÚ³äÓÐÀíÏëÆøÌ壬ͨ¹ýϸ²£Á§¹ÜBºÍË®Òøѹǿ¼ÆÏàÁ¬£®¿ªÊ¼Ê±A´¦ÓÚ±ùË®»ìºÏÎïÖУ¬×ó¹ÜCÖÐË®ÒøÃæÔÚ0µã´¦£¬ÓÒ¹ÜDÖÐË®ÒøÃæ¸ß³ö0µãh1=14cm£®ºó½«A·ÅÈë´ý²âºãβÛÖУ¬ÉÏÏÂÒƶ¯D£¬Ê¹CÖÐË®ÒøÃæÈÔÔÚOµã´¦£¬²âµÃDÖÐË®ÒøÃæ¸ß³ö0µãh=44cm£®£¨ÒÑÖªÍâ½ç´óÆøѹΪ1¸ö±ê×¼´óÆøѹ£¬1¸ö±ê×¼´óÆøѹÏ൱ÓÚ76cmHg£©
£¨1£©Çóºãβ۵Äζȣ®
£¨2£©´Ë¹ý³ÌAÄÚÆøÌåÄÚÄÜ______£¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±£©£¬ÆøÌå²»¶ÔÍâ×ö¹¦£¬ÆøÌ彫______£¨Ìî¡°ÎüÈÈ¡±»ò¡°·ÅÈÈ¡±£©£®
£¨1£©Çóºãβ۵Äζȣ®
£¨2£©´Ë¹ý³ÌAÄÚÆøÌåÄÚÄÜ______£¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±£©£¬ÆøÌå²»¶ÔÍâ×ö¹¦£¬ÆøÌ彫______£¨Ìî¡°ÎüÈÈ¡±»ò¡°·ÅÈÈ¡±£©£®
¢ÙÓÉÓÚʹCÖÐË®ÒøÃæÈÔÔÚOµã´¦£¬¹ÊÎÂÅÝAÄÚ·â±ÕÆøÌåµÄÌå»ý±£³Ö²»±ä£¬·¢ÉúµÈÈݱ仯£®
±ùË®»ìºÏÎïµÄζÈT1=273K£¬´Ëʱ·â±ÕÆøÌåµÄѹǿP1=P0+h1=90cmHg
Éè´ý²âºãβ۵ÄζÈT2£¬´Ëʱ·â±ÕÆøÌåµÄѹǿP2=P0+h2=120cmHg
¸ù¾Ý²éÀí¶¨Âɵãº
=
´úÈëÊý¾ÝµÃT2=364 K£¨»ò91¡æ£©
¢ÚAÖÐÆøÌåζÈÉý¸ß£¬ÀíÏëÆøÌåµÄÄÚÄÜÔö¼Ó£¨ÀíÏëÆøÌåÖ»¿¼ÂÇ·Ö×Óƽ¾ù¶¯ÄÜ£©£¬ÆøÌå²»¶ÔÍâ×ö¹¦£¬ÓÉÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ¡÷U=Q+W¿ÉµÃ£¬ÆøÌåÎüÈÈ£®
´ð£º¢Ùºãβ۵ÄζÈΪ364K£®¢ÚÔö´ó£»ÎüÈÈ£®
±ùË®»ìºÏÎïµÄζÈT1=273K£¬´Ëʱ·â±ÕÆøÌåµÄѹǿP1=P0+h1=90cmHg
Éè´ý²âºãβ۵ÄζÈT2£¬´Ëʱ·â±ÕÆøÌåµÄѹǿP2=P0+h2=120cmHg
¸ù¾Ý²éÀí¶¨Âɵãº
P1 |
T1 |
P2 |
T2 |
´úÈëÊý¾ÝµÃT2=364 K£¨»ò91¡æ£©
¢ÚAÖÐÆøÌåζÈÉý¸ß£¬ÀíÏëÆøÌåµÄÄÚÄÜÔö¼Ó£¨ÀíÏëÆøÌåÖ»¿¼ÂÇ·Ö×Óƽ¾ù¶¯ÄÜ£©£¬ÆøÌå²»¶ÔÍâ×ö¹¦£¬ÓÉÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ¡÷U=Q+W¿ÉµÃ£¬ÆøÌåÎüÈÈ£®
´ð£º¢Ùºãβ۵ÄζÈΪ364K£®¢ÚÔö´ó£»ÎüÈÈ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿