£¨1£©ÈçͼËùʾ£¬É϶˿ª¿ÚµÄ¾øÈÈÆø¸×Ö±Á¢ÓÚµØÃæÉÏ£¬¹â»¬¾øÈȵĻîÈû°ÑÒ»¶¨ÖÊÁ¿µÄÆøÌ壨ÆøÌå·Ö×Ó¼äµÄ×÷ÓÃÁ¦ºöÂÔ²»¼Æ£©·â±ÕÔÚÆø¸×ÖУ¬»îÈûÉ϶ѷÅϸɰ£¬²¢´¦ÓÚ¾²Ö¹×´Ì¬£®ÏÖÔÚ²»¶ÏÈ¡×ßϸɰ£¬Ê¹»îÈû»ºÂýÉÏÉý£¬Ö±µ½É°È«²¿È¡×ߣ¬ÔòÔڴ˹ý³ÌÖÐ______
A£®ÆøÌåµÄѹǿ²»±ä      B£®ÆøÌ嵥λÌå»ýÄÚ·Ö×ÓÊý¼õÉÙ
C£®ÆøÌåµÄÄÚÄܲ»±ä      D£®ÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄܼõС
£¨2£©·¿¼äÈÝ»ýΪ100m3£¬´óÆøѹǿΪ76cmHg£¬µ±ÆøδÓ10¡æÉý¸ßµ½35¡æʱ£¬·¿ÄÚ¿ÕÆøµÄÖÊÁ¿¼õÉÙÁ˶àÉÙkg£¿£¨ÒÑÖª±ê×¼×´¿öÏ¿ÕÆøµÄÃܶÈΪ1.29kg/m3£©

¡¾´ð°¸¡¿·ÖÎö£º¸ù¾ÝÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉÅжÏÆøÌåζȵı仯£¬¸ù¾ÝÀíÏëÆøÌå״̬·½³Ì½áºÏÊÜÁ¦·ÖÎö£¬ÅжÏÆø¸×ÄÚÌå»ý¡¢Ñ¹Ç¿µÄ±ä»¯£»¼ÙÉèÆøÌå×öµÈѹ±ä»¯£¬½â³öµ±Î¶ÈÉý¸ßµ½35C°µÄÌå»ý£¬ÓëÔ­ÏȵÄÌå»ýÏà±È½Ï£¬ÅжÏÆøÌåÖÊÁ¿¼õÉÙÁ˶àÉÙ£®
½â´ð£º½â£º£¨1£©¾øÈÈÆø¸×¡¢¹â»¬¾øÈȵĻîÈû¾ö¶¨Æø¸×ÄÚµÄÆøÌå¼È²»ÄÜÎüÈÈÒ²²»ÄÜ·ÅÈÈ£¬¼´Q=0£¬£»ÏÖÔÚ²»¶ÏÈ¡×ßϸɰʹ»îÈû»ºÂýÉÏÉý£¬¼´ÆøÌåµÄÌå»ý²»¶ÏÔö´ó£¬ËùÒÔÆøÌå¶ÔÍâ×ö¹¦¼´WΪ¸ºÖµ£»¸ù¾ÝÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ£º¡÷U=W+Q
µÃ£º¡÷U£¼0£¬ËùÒÔÆøÌåµÄÄÚÄܼõС£¬¹ÊC´íÎó£®
ÆøÌåµÄÄÚÄܼõС£¬ËùÒÔÆøÌåµÄζȽµµÍ£¬·Ö×Óƽ¾ù¶¯ÄܼõС£¬¹ÊDÕýÈ·£®
ÓÉÓÚ²»¶ÏÈ¡×ßϸɰʹ»îÈû»ºÂýÉÏÉý£¬¼´ÆøÌåµÄÌå»ý²»¶ÏÔö´ó£¬ËùÒÔµ¥Î»Ìå»ýÄÚ·Ö×ÓÊý¼õÉÙ£¬¹ÊBÕýÈ·£®
ÓÉÓÚ»îÈûÓëϸɳ×ÜÖÊÁ¿Ò»Ö±¼õС£¬²úÉúµÄѹǿҲ¼õС£¬ËùÒÔÆø¸×ÄÚµÄÆøÌåѹǿһֱ¼õС£¬¹ÊA´íÎó£®
¹ÊÑ¡£ºBD
£¨2£©¼ÙÉèÆøÌå×öµÈѹ±ä»¯£¬³õ״̬£ºV=100m3£¬T=283K
±ê×¼×´¿öÏ£ºV=£¿£¬T=273K
ÓɵÈѹ±ä»¯µÃ£º=
½âµÃ£ºV=96.46m 3
ÓÉÓÚ±ê×¼×´¿öÏ¿ÕÆøÃܶÈΪ1.29kg/m3
ËùÒÔÆøÌåµÄÖÊÁ¿Îª£ºm=¦ÑV=124.4kg
ÉýκóµÄĩ״̬£ºV1=£¿£¬T1=308K
ÓɵÈѹ±ä»¯µÃ£º=
½âµÃ£ºV1=108.8m3
·¿¼äÏÖÔÚµÄÈÝ»ýΪ100m3£¬ËùÒÔÓÉ8.8m3µÄÆøÌåÅܳö·¿¼ä£¬·¿¼äÏÖÔÚËùÊ£µÄÆøÌåÖÊÁ¿£ºm1=kg=114kg
ËùÒÔÅܳöµÄÆøÌåÖÊÁ¿Îª£ºm2=m-m1=10.4kg
´ð£º·¿ÄÚ¿ÕÆøµÄÖÊÁ¿¼õÉÙÁË10.4kg£®
µãÆÀ£ºÀí½â²¢ÄܼÇסÆøÌåµÄ±ê×¼×´¿öÖ¸µÄÊÇ1¸ö´óÆøѹ£¬0C°Ê±µÄ״̬£¬ÔÚ½âÌâʱÄܹ»Áé»îÓ¦Óã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2010?ÉϺ£Ä£Ä⣩ÈçͼËùʾ£¬É϶˿ª¿ÚµÄ¹â»¬Ô²ÖùÐÎÆø¸×ÊúÖ±·ÅÖ㬽ØÃæ»ýΪ40cm2µÄ»îÈû½«Ò»¶¨ÖÊÁ¿µÄÆøÌåºÍÒ»ÐÎ×´²»¹æÔòµÄ¹ÌÌåA·â±ÕÔÚÆø¸×ÄÚ£®ÔÚÆø¸×ÄÚ¾à¸×µ×60cm´¦ÉèÓÐa¡¢bÁ½ÏÞÖÆ×°Öã¬Ê¹»îÈûÖ»ÄÜÏòÉÏ»¬¶¯£®¿ªÊ¼Ê±»îÈû¸éÔÚa¡¢bÉÏ£¬¸×ÄÚÆøÌåµÄѹǿΪp0£¨p0=1.0¡Á105 PaΪ´óÆøѹǿ£©£¬Î¶ÈΪ300K£®ÏÖ»ºÂý¼ÓÈÈÆû¸×ÄÚÆøÌ壬µ±Î¶ÈΪ330K£¬»îÈûÇ¡ºÃÀ뿪a¡¢b£»µ±Î¶ÈΪ360Kʱ£¬»îÈûÉÏÉýÁË4cm£®Çó£º
£¨1£©»îÈûµÄÖÊÁ¿£®
£¨2£©ÎïÌåAµÄÌå»ý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÈçͼËùʾ£¬É϶˿ª¿ÚµÄ¾øÈÈÆø¸×Ö±Á¢ÓÚµØÃæÉÏ£¬¹â»¬¾øÈȵĻîÈû°ÑÒ»¶¨ÖÊÁ¿µÄÆøÌ壨ÆøÌå·Ö×Ó¼äµÄ×÷ÓÃÁ¦ºöÂÔ²»¼Æ£©·â±ÕÔÚÆø¸×ÖУ¬»îÈûÉ϶ѷÅϸɰ£¬²¢´¦ÓÚ¾²Ö¹×´Ì¬£®ÏÖÔÚ²»¶ÏÈ¡×ßϸɰ£¬Ê¹»îÈû»ºÂýÉÏÉý£¬Ö±µ½É°È«²¿È¡×ߣ¬ÔòÔڴ˹ý³ÌÖÐ
BD
BD

A£®ÆøÌåµÄѹǿ²»±ä      B£®ÆøÌ嵥λÌå»ýÄÚ·Ö×ÓÊý¼õÉÙ
C£®ÆøÌåµÄÄÚÄܲ»±ä      D£®ÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄܼõС
£¨2£©·¿¼äÈÝ»ýΪ100m3£¬´óÆøѹǿΪ76cmHg£¬µ±ÆøδÓ10¡æÉý¸ßµ½35¡æʱ£¬·¿ÄÚ¿ÕÆøµÄÖÊÁ¿¼õÉÙÁ˶àÉÙkg£¿£¨ÒÑÖª±ê×¼×´¿öÏ¿ÕÆøµÄÃܶÈΪ1.29kg/m3£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

¾«Ó¢¼Ò½ÌÍø£¨1£©ÈçͼËùʾ£¬Á½¸ù×ã¹»³¤¡¢µç×è²»¼ÆµÄ¹â»¬Æ½ÐнðÊôµ¼¹ìÏà¾àΪL=lm£¬µ¼¹ìƽÃæÓëˮƽÃæ³É¦È=30¡ã½Ç£¬É϶ËÁ¬½ÓR=1.5¦¸µÄµç×裬ÖÊÁ¿Îªm=0.2kg¡¢×èÖµr=0.5¦¸µÄ½ðÊô°ôab·ÅÔÚÁ½µ¼¹ìÉÏ£¬Óëµ¼¹ì´¹Ö±²¢½Ó´¥Á¼ºÃ£¬¾àÀëµ¼¹ì×îÉ϶Ëd=4m£¬Õû¸ö×°Öô¦ÓÚÔÈÇ¿´Å³¡ÖУ¬´Å³¡µÄ·½Ïò´¹Ö±µ¼¹ìƽÃæÏòÉÏ£®
¢ÙÈô´Å¸ÐӦǿ¶ÈB=0.5T£¬½«½ðÊô°ôÊÍ·Å£¬Ôò½ðÊô°ôÔÈËÙ
Ï»¬Ê±µç×èRÁ½¶ËµÄµçѹΪ
 
V£»
¢ÚÈô´Å¸ÐӦǿ¶ÈµÄ´óСBËæʱ¼ä±ä»¯µÄ¹ØϵʽΪB=0.5t£¬ÔÚƽÐÐÓÚбÃæµÄÍâÁ¦×÷ÓÃÏÂab°ôʼÖÕ±£³Ö¾²Ö¹£¬Ôòµ±t=
 
sʱÍâÁ¦Ç¡ºÃΪÁ㣮
£¨2£©ÀûÓÃË«·ì¸ÉÉæ²â¶¨¹âµÄ²¨³¤ÊµÑéÖУ¬È¡Ë«·ì¼ä¾àd=0.5mm£¬Ë«·ìÓë¹âÆÁ¼ä¾àÀëL=0.5m£¬ÓÃijÖÖµ¥É«¹âÕÕÉäË«·ìµÃµ½¸ÉÉæͼÏóÈçͼ£¬·Ö»®°åÔÚͼÖÐA¡¢BλÖÃʱÓα꿨³ß¶ÁÊýÈçͼ£¬ÔòͼÖÐAλÖõÄÓα꿨³ß¶ÁÊýΪ
 
£¬BλÖõÄÓα꿨³ß¶ÁÊýΪ
 
£¬µ¥É«¹âµÄ²¨³¤Îª
 
m£®
¾«Ó¢¼Ò½ÌÍø
£¨3£©ÏÖÓÐÒÔÏÂÆ÷²Ä£ºµçÁ÷±íA£¨Á¿³Ì0.6A¡¢ÄÚ×èrA=0.5¦¸£©£¬µç×èÏäR£¨Á¿³Ì99.99¦¸£©£¬´ý²âµç×èRx£¬Ö±Á÷µçÔ´£¨µç¶¯ÊÆEºÍÄÚ×èr´ý²â£©£¬µ¥µ¶µ¥ÖÀ¿ª¹ØS1£¬µ¥µ¶Ë«ÖÀ¿ª¹ØS2£¬´øÌú¼ÐµÄµ¼ÏßÈô¸É£®Ä³Ì½¾¿ÊµÑéС×éÉè¼ÆÈçͼËùʾµÄʵÑéµç·£¬ÓÃÀ´²â¶¨´ý²âµç×èµÄ×èÖµRx¡¢Ö±Á÷µçÔ´µÄµç¶¯ÊÆEºÍÄÚ×èr£®
¾«Ó¢¼Ò½ÌÍø
¢Ù²âÁ¿µç×èRxµÄ×èÖµ
i¡¢½«¿ª¹ØS1±ÕºÏ¡¢¿ª¹ØS2½Óa£¬¶Á³öµçÁ÷±íµÄʾÊýI1
ii¡¢±£³Ö¿ª¹ØS1±ÕºÏ£¬½«¿ª¹ØS2½Ób£¬µ÷½Úµç×èÏäRµÄ×èÖµ£¬Ê¹µÃµçÁ÷±íµÄʾÊýҲΪI1£¬´Ëʱµç×èÏäµÄ×èÖµR=4.00¦¸£¬ÔòRx=
 
¦¸
¢Ú²âµçÔ´µÄµç¶¯ÊÆEºÍÄÚ×èr
½«¿ª¹ØS1±ÕºÏ¡¢¿ª¹ØS2½Ób£¬µ÷½Úµç×èÏäRµÄ×èÖµ£¬¼ÇϵçÁ÷±íµÄʾÊýI£¬µÃµ½Èô¸É×éR¡¢IµÄÊý¾Ý£¨¼ûͼ£©£¬Çë¸ù¾ÝͼÏóÇóµÃµç¶¯ÊÆE=
 
V£¬ÄÚ×èr=
 
¦¸£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÉÂÎ÷Ê¡±¦¼¦ÖÐѧ¸ßÈý£¨ÉÏ£©Ô¿¼ÎïÀíÊÔ¾í£¨Ò»£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨1£©ÈçͼËùʾ£¬É϶˿ª¿ÚµÄ¾øÈÈÆø¸×Ö±Á¢ÓÚµØÃæÉÏ£¬¹â»¬¾øÈȵĻîÈû°ÑÒ»¶¨ÖÊÁ¿µÄÆøÌ壨ÆøÌå·Ö×Ó¼äµÄ×÷ÓÃÁ¦ºöÂÔ²»¼Æ£©·â±ÕÔÚÆø¸×ÖУ¬»îÈûÉ϶ѷÅϸɰ£¬²¢´¦ÓÚ¾²Ö¹×´Ì¬£®ÏÖÔÚ²»¶ÏÈ¡×ßϸɰ£¬Ê¹»îÈû»ºÂýÉÏÉý£¬Ö±µ½É°È«²¿È¡×ߣ¬ÔòÔڴ˹ý³ÌÖÐ______
A£®ÆøÌåµÄѹǿ²»±ä      B£®ÆøÌ嵥λÌå»ýÄÚ·Ö×ÓÊý¼õÉÙ
C£®ÆøÌåµÄÄÚÄܲ»±ä      D£®ÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄܼõС
£¨2£©·¿¼äÈÝ»ýΪ100m3£¬´óÆøѹǿΪ76cmHg£¬µ±ÆøδÓ10¡æÉý¸ßµ½35¡æʱ£¬·¿ÄÚ¿ÕÆøµÄÖÊÁ¿¼õÉÙÁ˶àÉÙkg£¿£¨ÒÑÖª±ê×¼×´¿öÏ¿ÕÆøµÄÃܶÈΪ1.29kg/m3£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸