Introduction to Chemical Engineering Thermodynamics 9th. Edition by J.M. Smith; Hendrick C. Van Ness, Michael Abbott, Mark Swihart | 9781260597684 | 1260597687 | Holooly

Introduction to Chemical Engineering Thermodynamics

132 SOLVED PROBLEMS

Question: G.1

For the binary system diethylamine(1)/n-heptane(2) at 308.15 K, find γ1 and γ2 when x1 = 0.4 and x2 = 0.6. ...

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The subgroups involved are indicated by the chemic...

Question: E.1

From data in the steam tables, find: a. The specific volume of superheated steam at 816 kPa and 512°C. b. The temperature and specific entropy of superheated steam at P = 2950 kPa and H = 3150.6 kJ·kg^−1. ...

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(a) The following table shows specific volumes fro...

Question: 4.7

What is the maximum temperature that can be reached by the combustion of methane with 20% excess air? Both the methane and the air enter the burner at 25°C. ...

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The reaction is

CH_{4} + 2O_{2} → CO_{2} + ...

Question: 14.6

Estimate the maximum conversion of ethylene to ethanol by vapor-phase hydration at 250°C and 35 bar for an initial steam-to-ethylene molar ratio of 5. ...

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The calculation of K for this reaction was treated...

Question: 10.9

Estimate from Eq. (10.67) a value for the fugacity of 1-butene vapor at 200°C and 70 bar. ...

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At these conditions, with [ latex] T_c = 420.0 K,...

Question: 9.1

A refrigerated space is maintained at −20°C, and cooling water is available at 21°C. Refrigeration capacity is 120,000 kJ.h^−1. The evaporator and condenser are of sufficient size that a 5°C minimum-temperature difference for heat transfer can be realized in each. The refrigerant is 1,1,1, ...

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(a) Allowing 5°C temperature differences, the evap...

Question: 6.8

Determine the vapor pressure (in kPa) for liquid n-hexane at 0, 30, 60, and 90°C: (a) With constants from App. B.2. (b) From the Lee/Kesler correlation for P^{r}_{sat}. ...

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(a) With constants from App. B.2, the Antoine equa...

Question: 6.6

Estimate V, H^R, and S^R for an equimolar mixture of carbon dioxide(1) and propane(2) at 450 K and 140 bar by the Lee/Kesler correlations. ...

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The pseudocritical parameters are found by Eqs. (6...

Question: 6.5

Supercritical CO2 can be used as an environmentally friendly solvent for cleaning applications, ranging from dry cleaning clothing to degreasing machine parts to photoresist stripping. A key advantage of CO2 is the ease with which it is separated from “dirt” and detergents. When its ...

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We follow the three-step computational path of Fig...

Question: 5.7

What is the maximum work that can be obtained in a steady-state flow process from 1 mol of nitrogen in its ideal-gas state at 800 K and 50 bar? Take the temperature and pressure of the surroundings as 300 K and 1.0133 bar. ...

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The maximum possible work is obtained from any com...

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