ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2026/6/2 16:51:24ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£
´óÎï ÉϺ£½»´ó¿Îºó´ð°¸ µÚÎåÕÂ
¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª ×÷Õߣº ¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª ÈÕÆÚ£º
2
ϰÌâ5
5-1£®ÈÝÆ÷µÄÌå»ýΪ2V0£¬¾øÈȰåC½«Æä¸ôΪÌå»ýÏàµÈµÄA¡¢BÁ½¸ö²¿·Ö£¬AÄÚ´¢ÓÐ1molµ¥Ô×ÓÀíÏëÆøÌ壬BÄÚ´¢ÓÐ2molË«Ô×ÓÀíÏëÆøÌ壬A¡¢BÁ½²¿·ÖµÄѹǿ¾ùΪp0¡£
£¨1£©ÇóA¡¢BÁ½²¿·ÖÆøÌå¸÷×ÔµÄÄÚÄÜ£»
£¨2£©ÏÖ³é³ö¾øÈȰåC£¬ÇóÁ½ÖÖÆøÌå»ìºÏºó´ïµ½Æ½ºâʱµÄѹǿºÍζȡ£
iRT 2333AÖÐÆøÌåΪ1molµ¥Ô×ÓÀíÏëÆøÌ壺EA?RTA?RTA?p0V0£¬
22255BÖÐÆøÌåΪ2molË«Ô×ÓÀíÏëÆøÌ壺EB?2?RTB?5RTB?p0V0£»
223£¨2£©»ìºÏǰ×ÜÄÚÄÜ£ºE0?RTA?5RTB£¬
2ÓÉÓÚRTA?p0V0£¬2RTB?p0V0£¬¡à2TB?TA£¬Ôò£ºE0?4RTA?4p0V0£»
3»ìºÏºóÄÚÄܲ»±ä£¬ÉèζÈΪT£¬ÓУºE?RT?5RT?4p0V0
28p0V0¡à T?£»
13R3N08pV1233p?nkT?kT?RT?R?00?p ¡£
2V02V02V013R130½â£º£¨1£©ÓÉÀíÏëÆøÌåÄÚÄܹ«Ê½£ºE??
5-2£®1molµ¥Ô×ÓÀíÏëÆøÌå´Ó300K¼ÓÈÈÖÁ350K£¬ÎÊÔÚÒÔÏÂÁ½¸ö¹ý³ÌÖи÷ÎüÊÕÁ˶àÉÙÈÈÁ¿£¿Ôö¼ÓÁ˶àÉÙÄÚÄÜ£¿¶ÔÍâ×öÁ˶àÉÙ¹¦£¿ £¨1£©ÈÝ»ý±£³Ö²»±ä£»£¨2£©Ñ¹Ç¿±£³Ö²»±ä¡£ ½â£º£¨1£©µÈÈÝÉýιý³Ì
×ö¹¦£º A?0 ÄÚÄܱ仯£º
33R(T2?T1)?1??8.31?50?623.25(J) 22 ÎüÈÈ£ºQ?A??E?623.25(J)
?E??CV,m(T2?T1)??£¨2£©µÈѹÉýιý³Ì
×ö¹¦£º A?p(V2?V1)??R(T2-T1)?1?8.31?50?415.5(J) ÄÚÄܱ仯£º
33R(T2?T1)?1??8.31?50?623.25(J) 22ÎüÈÈ£ºQ?A??E?415.5?623.25?1039(J)
?E??CV,m(T2?T1)??
5-3£®1gº¤ÆøÖмӽø1JµÄÈÈÁ¿£¬Èôº¤ÆøÑ¹Ç¿Îޱ仯£¬ËüµÄ³õʼζÈΪ200K£¬ÇóËüµÄζÈÉý¸ß¶àÉÙ£¿
½â£ºµÈѹ¹ý³Ì Q??Cp,m(T2?T1)?? ?T2?
7R(T2?T1) 2Q1??0.19(K) 515?R??8.31242