ÀÚµ¿·Î±×ÀÎ
ÄÁÅÙÃ÷ | contents
ÀϹݰԽÃÆÇ
Q&A°Ô½ÃÆÇ
°øÇÐ S/W
½ºÅ͵ð | study
´ÜÀ§È¯»ê
³óµµ°è»ê
ÀϹÝÈ­ÇÐ
È­°øÀϹÝ
È­°ø½Ç¹«

   
  Àç·á¿­¿ªÇÐ Áú¹®ÀÌ¿ä...
  ±Û¾´ÀÌ : rudals   °íÀ¯ID : rudals0090     ³¯Â¥ : 12-10-04 23:04     Á¶È¸ : 3523    
2¸ôÀÇ ´Ü¿øÀÚ ÀÌ»ó±âü°¡ 1±â¾Ð, 300K¿¡ ÀÖ´Ù. 34166JÀÇ ¿­ÀÌ ÀÌ ±âü·Î µé¾î°¡°í, ÀÌ °á°ú
±âü°¡ ÆØâÇÔÀ¸·Î½á ÁÖÀ§¿¡ ´ëÇÏ¿© 1216JÀÇ ÀÏÀ» ÇÑ´Ù. À§ÀÇ °úÁ¤ÀÌ °¡¿ªÀûÀ¸·Î ÀϾ ¶§
ÀÌ ±âüÀÇ ÃÖÁ¾¿Âµµ¸¦ ±¸Ç϶ó.
 
¹®Á¦°¡ À̰ǵ¥¿ä
 
¿ì¼± ³»ºÎ¿¡³ÊÁöº¯È­=q-wÇؼ­ 32950j
PV=nRT·Î V1ÀÌ 49.2L ¸¦ ±¸Çß¾î¿ä..
 
ÀÌ ÀÌÈÄ¿¡ ¾î¶»°Ô Ç®¾î¾ßÇÒÁö °¨ÀÌ ¾ÈÀâÇô¿ä..µµ¿ÍÁÖ¼¼¿ä

½ºÅ×Æijë Stefano   12-10-05 18:22
(1) °¡¿ª°úÁ¤À¸·Î Á¤¾Ð¿¡¼­ ¿­·® Q¸¸Å­ °¡¿­ÇÏ°í ±âü°¡ ÆØâÇϸ鼭 W¸¸Å­ÀÇ ÀÏÀ»ÇÏ¿´À» ¶§ÀÇ °¡½ºÀÇ ¿£Å»ÇÇ º¯È­´Â
¥ÄH = Q - W = n*Cpm*¥ÄT .................(1)

Q = Heat added = 34.166 kJ
W = Work done by the Gas = 1.216 kJ
n  = No. of Moles of Gas = 2 kg-mole
Cpm = Molar Specific Heat of Monoatomic Ideal Gas = (5/2) R = 20.8 J/g-mole/K = 20.8 kJ/kg-mole/K

*Ref.: http://en.wikipedia.org/wiki/Monatomic_gas

(2)À̷κÎÅÍ ¿Âµµº¯È­¸¦ ±¸Çϸé
¥ÄT= Temperature Rise by the whole process, K
= (Q-W)/(n*Cpm), K .........................(2)

T2 = T1+ ¥ÄT .........(3)
   

Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)