ÀÎÅͳÝÈÇаøÇÐ+±¸±Û+³×À̹ö
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«
´ÜÀ§Á»....
±Û¾´ÀÌ
:
´äÁ»...
°íÀ¯ID
: ´äÁ»...
³¯Â¥
: 00-00-00 00:00
Á¶È¸
: 9501
ng/g ¿¡¼ ng°¡ ¹«½¼ ´ÜÀ§ÀÎÁö Á» ¾Ë·ÁÁÖ¼¼¿© ²ÀÀÌ¿©....
³¿Ï
³¿Ï
00-00-00 00:00
³ÃÀÌ´ÔÀÇ ±ÛÀÔ´Ï´Ù.
>> pH°¡ 5ÀÏ°æ¿ì..
>> ÀÌ ¿ë¾× 100ml¿¡ ¹° 100ml¸¦ ³ÖÀ¸¸é pHÀÇ º¯È´Â?
>>
>>
>> ³»·Á°¥±î¿©? ¾Æ´Ï¸é ±×´ë·ÎÀϱ??
>> ±Ã±Ý..
¾î¶²¿ë¾×ÀÎÁö¾Ë¾Æ¾ß »ê¼ºÀÎÁö ¾ËÄ®¸®·Î°¡´ÂÁö ¾Ë¼ö°¡ ÀÖÁÒ
´ëºÎºÐ¹°·Î Èñ¼®ÇÏ¸é ¾ËÄ®¸®°¡ µÉ²¨´Õ´Ù.
³ÃÀÌ´ÔÀÇ ±ÛÀÔ´Ï´Ù. >> pH°¡ 5ÀÏ°æ¿ì.. >> ÀÌ ¿ë¾× 100ml¿¡ ¹° 100ml¸¦ ³ÖÀ¸¸é pHÀÇ º¯È´Â? >> >> >> ³»·Á°¥±î¿©? ¾Æ´Ï¸é ±×´ë·ÎÀϱ?? >> ±Ã±Ý.. ¾î¶²¿ë¾×ÀÎÁö¾Ë¾Æ¾ß »ê¼ºÀÎÁö ¾ËÄ®¸®·Î°¡´ÂÁö ¾Ë¼ö°¡ ÀÖÁÒ ´ëºÎºÐ¹°·Î Èñ¼®ÇÏ¸é ¾ËÄ®¸®°¡ µÉ²¨´Õ´Ù.
Stefano
Stefano
00-00-00 00:00
pH°ªÀÌ 5¶ó¸é pHÀÇ Á¤ÀÇ¿¡ ÀÇÇØ
pH1= -log(10)[H1] = 5
¿©±â¼ [H1]Àº Ãʱâ Proton (H+)ÀÇ ³óµµ, mol/L
ÀÌ¿ë¾×¿¡ ¹°À» ³Ö¾î Ãʱ⠺ÎÇÇÀÇ 2¹è°¡ µÇµµ·Ï Èñ¼®ÇÏ¿© ³óµµ°¡ ¹ÝÀÌ µÇ¸é, [H2]=1/2[H1]
pH2= -log (10) [H1/2] = -log(10)[H1] + log(10)(2)
-log(10)[H1] = 5, ÀÌ°í log(10)(2) = 0.3010 À̹ǷΠ°è»êÀÌ ¹Ù·Î µÇÁö ¾Ê³ª¿ä?
¹°À» ¾ÆÁÖ ¸¹Àº ·®À» ³ÖÀ» °æ¿ì, Áß¼ºÀÎ ¹°À̶ó°í ÇÏ¿©µµ H+ ³óµµ´Â »ó¿Â¿¡¼ 10-7 mol/L´Â À¯ÁöµÉ °ÍÀ̹ǷΠpH°ªÀº 7¿¡ Á¢±ÙÇÏ¿© Áß¼ºÀÎ »óÅ·ΠµÉ ¼ö´Â ÀÖÁö¸¸ °áÄÚ ¾ËÄ«¸®¼ºÀ¸·Î µÇÁö´Â ¾ÊÀ» °ÍÀÔ´Ï´Ù.
Stefano/020801
pH°ªÀÌ 5¶ó¸é pHÀÇ Á¤ÀÇ¿¡ ÀÇÇØ pH1= -log(10)[H1] = 5 ¿©±â¼ [H1]Àº Ãʱâ Proton (H+)ÀÇ ³óµµ, mol/L ÀÌ¿ë¾×¿¡ ¹°À» ³Ö¾î Ãʱ⠺ÎÇÇÀÇ 2¹è°¡ µÇµµ·Ï Èñ¼®ÇÏ¿© ³óµµ°¡ ¹ÝÀÌ µÇ¸é, [H2]=1/2[H1] pH2= -log (10) [H1/2] = -log(10)[H1] + log(10)(2) -log(10)[H1] = 5, ÀÌ°í log(10)(2) = 0.3010 À̹ǷΠ°è»êÀÌ ¹Ù·Î µÇÁö ¾Ê³ª¿ä? ¹°À» ¾ÆÁÖ ¸¹Àº ·®À» ³ÖÀ» °æ¿ì, Áß¼ºÀÎ ¹°À̶ó°í ÇÏ¿©µµ H+ ³óµµ´Â »ó¿Â¿¡¼ 10-7 mol/L´Â À¯ÁöµÉ °ÍÀ̹ǷΠpH°ªÀº 7¿¡ Á¢±ÙÇÏ¿© Áß¼ºÀÎ »óÅ·ΠµÉ ¼ö´Â ÀÖÁö¸¸ °áÄÚ ¾ËÄ«¸®¼ºÀ¸·Î µÇÁö´Â ¾ÊÀ» °ÍÀÔ´Ï´Ù. Stefano/020801
¿î¿µÀÚ
¿î¿µÀÚ
00-00-00 00:00
¸Â½À´Ï´Ù. ^^
Normal State, Standard State ±¸ºÐ
- Normal State = 0¡É, 1atm (NM3/HR)
- Standard State = 15 ¡É(60¢µ), 1 atm
* Åë»ó Normal M3 [NM3/Hr]´Â ¾î¶² ÀÏÁ¤ÇÑ Á¶°ÇÀÇ À¯·®À» 0¡É, 1atm Á¶°ÇÀ¸·Î
ȯ»êÇÑ À¯·®
¸¸ÀÏ 7 Kg/cm2_g, 20¡É »óÅÂÇÏ 100 M3/Hr·Î À¯·®ÀÌ È帥´Ù¸é
ÀÌ´Â 0 Kg/cm2_g, 0¡É »óÅ¿¡¼ À¯·®Àº?
X [NM3/HR] = Flow(T, P) * 273.15 / (273.15 + T) * (1.0332 + P) / 1.0332 À̹ǷÎ
X = 100 * 273.15 / (273.15 + 20) * (1.0332 + 7) / 1.0332 = 724.5 NM3/HR
¹é^^´ÔÀÇ ±ÛÀÔ´Ï´Ù.
>> ¾È³çÇϼ¼¿ä.
>> ±Ã±ÝÇÑ°Ô ÀÖ¾î¼ µé·È½À´Ï´Ù.
>> AIR ´ÜÀ§¿¡¼ N§©¶õ ¹«¾ùÀÎÁö ¾Ë·ÁÁÖ¼¼¿ä.
>> ³ë¸£¸»·çº£"°¡ ¸Â´Â ¸»ÀÎÁö???
>>
>> ºÎŹÇÕ´Ï´Ù.
>>
¸Â½À´Ï´Ù. ^^ Normal State, Standard State ±¸ºÐ - Normal State = 0¡É, 1atm (NM3/HR) - Standard State = 15 ¡É(60¢µ), 1 atm * Åë»ó Normal M3 [NM3/Hr]´Â ¾î¶² ÀÏÁ¤ÇÑ Á¶°ÇÀÇ À¯·®À» 0¡É, 1atm Á¶°ÇÀ¸·Î ȯ»êÇÑ À¯·® ¸¸ÀÏ 7 Kg/cm2_g, 20¡É »óÅÂÇÏ 100 M3/Hr·Î À¯·®ÀÌ È帥´Ù¸é ÀÌ´Â 0 Kg/cm2_g, 0¡É »óÅ¿¡¼ À¯·®Àº? X [NM3/HR] = Flow(T, P) * 273.15 / (273.15 + T) * (1.0332 + P) / 1.0332 À̹ǷΠX = 100 * 273.15 / (273.15 + 20) * (1.0332 + 7) / 1.0332 = 724.5 NM3/HR ¹é^^´ÔÀÇ ±ÛÀÔ´Ï´Ù. >> ¾È³çÇϼ¼¿ä. >> ±Ã±ÝÇÑ°Ô ÀÖ¾î¼ µé·È½À´Ï´Ù. >> AIR ´ÜÀ§¿¡¼ N§©¶õ ¹«¾ùÀÎÁö ¾Ë·ÁÁÖ¼¼¿ä. >> ³ë¸£¸»·çº£"°¡ ¸Â´Â ¸»ÀÎÁö??? >> >> ºÎŹÇÕ´Ï´Ù. >>
Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)