4.16 Calculate the latent heat of vaporization of methanol at 300,K (a) By Eqs. (4.12) and (4.13). T, = 337.8 K. (b) From the following handbook data for saturated methanol: T/K P/bar V'/m³ kg-¹ Vº/m³ kg-¹ 280 0.0621 1.244 x 10-3 11.62 290 0.1094 1.259 × 10-3 6.778 300 0.1860 1.274 x 10-3 4.095 310 0.3043 1.290 x 10 3 2.566 320 0.4817 1.306 × 10-3 1.661 The reported value is 1,167.3 kJ kg ¹. 4.17 Estimate the standard heat of formation of liquid ethyl benzene a AH=TAV- dpsat dT ΔΗ, 1.092(In Pc - 1.013) RTn 0.930 - Trn (~) 4.12

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Chacón
J.M. Smith, Hendrick Van Nes...
*Chapter4Problems
148
4.16 Calculate the latent heat of vaporization of methanol at 300 K
(a) By Eqs. (4.12) and (4.13). T, = 337.8 K.
(b) From the following handbook data for saturated methanol:
T/K
P/bar
V'/m³ kg-¹
V/m³ kg-¹
280
0.0621
1.244 x 10-3
11.62
290
0.1094
1.259 × 10-3
6.778
300
0.1860
1.274 x 10-3
4.095
310
3
0.3043
1.290 × 10
2.566
320
0.4817
1.306 × 10-3
1.661
The reported value is 1,167.3 kJ kg-¹.
4.17 Estimate the standard heat of formation of liquid ethyl benzene at 24
AH=TAV-
dpsat
dT
ΔΗ, 1.092(In Pc - 1.013)
RTn
0.930 - Trn
25
4.12
Transcribed Image Text:Chacón J.M. Smith, Hendrick Van Nes... *Chapter4Problems 148 4.16 Calculate the latent heat of vaporization of methanol at 300 K (a) By Eqs. (4.12) and (4.13). T, = 337.8 K. (b) From the following handbook data for saturated methanol: T/K P/bar V'/m³ kg-¹ V/m³ kg-¹ 280 0.0621 1.244 x 10-3 11.62 290 0.1094 1.259 × 10-3 6.778 300 0.1860 1.274 x 10-3 4.095 310 3 0.3043 1.290 × 10 2.566 320 0.4817 1.306 × 10-3 1.661 The reported value is 1,167.3 kJ kg-¹. 4.17 Estimate the standard heat of formation of liquid ethyl benzene at 24 AH=TAV- dpsat dT ΔΗ, 1.092(In Pc - 1.013) RTn 0.930 - Trn 25 4.12
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