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xin_d

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1molµ¥Ô­×ÓÀíÏëÆøÌå³õʼP=506.5KPa£¬T=298.15K£¬¾­ÓÉÏÂÁÐÁ½¸ö²½Öè´ïµ½ÖÕ̬T=298.15K£¬P=101.3KPa¡£¢ÙµÈѹ¼ÓÈÈ¢ÚµÈÈݽµÎ£¬Îʴ˹ý³ÌQ,W,∆U,∆H,∆S,∆G


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wangth0921

Ìú³æ (Ö°Òµ×÷¼Ò)

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±ùµã½µÎÂ: ½ð±Ò+3, лл»ØÌû½»Á÷£¬»¶Ó­³£À´ÎÞ»úÎﻯ°æ¿é¡£ 2015-12-22 15:29:08
xin_d: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú, ¸Ðл°ïÖú£¡ 2015-12-22 16:11:47
µ¥Ô­×ÓÀíÏëÆøÌ壺Cv = 1.5 R£¬Cp = 2.5 R
Õû¸ö¹ý³Ì = µÈÎÂÅòÕÍ£ºDU=0£¬DH=0£¬DS = R*ln5£¬DG=-RT*ln5

µÈѹ¼ÓÈÈ£º506.5 KPa 298.15 K V --> 506.5 kPa, T, 5V
     T = 298.15 * 5 K
     W = 506.5 kPa * (-4V) = -4 * 506.5 kPa * V = -4 * R * T = -4R * 298.15
     Q = Cp*DT = 2.5R * 4 * 298.15 = 10R * 298.15

µÈÈݽµÎ£º506.5 kPa 298.15 K, 5V ---> 101.3 kPa 298.15 K, V
    W = 0
    Q = Cv * DT = 1.5R *£¨-4T) = -6R * 298.15
2Â¥2015-12-22 15:11:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xin_d

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by wangth0921 at 2015-12-22 15:11:15
µ¥Ô­×ÓÀíÏëÆøÌ壺Cv = 1.5 R£¬Cp = 2.5 R
Õû¸ö¹ý³Ì = µÈÎÂÅòÕÍ£ºDU=0£¬DH=0£¬DS = R*ln5£¬DG=-RT*ln5

µÈѹ¼ÓÈÈ£º506.5 KPa 298.15 K V --> 506.5 kPa, T, 5V
     T = 298.15 * 5 K
     W = 506.5 kPa *  ...

ÀýÍâÔÙÇë½Ìһϣ¬Çó∆SÔÚʲôÇé¿öÏ£¬ÐèÒª¿¼ÂÇÖмäµÄ¹ý³Ì£¿
3Â¥2015-12-22 16:13:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangth0921

Ìú³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
3Â¥: Originally posted by xin_d at 2015-12-22 16:13:49
ÀýÍâÔÙÇë½Ìһϣ¬Çó∆SÔÚʲôÇé¿öÏ£¬ÐèÒª¿¼ÂÇÖмäµÄ¹ý³Ì£¿...

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