Question

NA Course Notes CBE2224: Chemical Engineering Thermodynamics Note that the speed of sound for ideal gases is independent of pressure but depends on temperature and molecular weight. You can work a similar problem with hydrogen and compare it with air. (b) For Liquids: Sound travels much faster in condensed phases than in most gases. From equation (2-53), we can see that the partial derivative (use the inverse rule to get this). Then, My (9) ks =(5) Yves = pk (²=- Vi (6) - (treal 945) POS Sords playrids) cp-cvše vo (2.54b) 1 cavea is very large for Although the heat capacity ratio is taken as unity for solids and liquids, condensed phases compared with gases. = 4.5x10 / bar. Calculate the speed of sound in water Example 2.13: Given that for water at 298K 34 2.7 Residual Properties mtamal enerov changes of any

Answer 1

Howe we Define spud of sound V= B Bulk Modulus. Je Density Bis defined as Bulk moculus Bulk Modulus - B. Moja substancie Miasund thew Resistant to compression that substane 0 e palume Br-v(@). How is k Defined Reduced. RE-(2) (Isothermal.com I (unit Bar) B=1/4 ( Isothermal compressibility) IKT. Density of liquidewater upto 25°c is 998 : 25 kg/m3 at 4°C its 1000kg / 13 1 Bar = 105 Pascal B. 105 - 22222.2222 Bar. 4.5

B = 22222.2222*105 Pascal. VE 22222.2222X105 998.25 /v = 1492.01807 m/s
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