Homework 1 Answer (Due 1/21/2009 Wednesday)
P1.2) Consider a gas mixture in a 2.00-dm3 flask at 27.0C. For each of the following mixtures, calculate the partial pressure of each gas, the total pressure, and the composition of the mixture in mole percent:
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. Quiz 4 May 1, 2009
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Chem340 Physical Chemistry for Biochemists
Q1. (Calculation) Consider a 20.0-L sample of moist air at 60 C and 1.00 atm in which the partial pressure of water vapor is 0.190 atm. Assume that dry air has the composition
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. Quiz 3 Apr 24, 2009
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Chem340 Physical Chemistry for Biochemists
Q1. 0.2 mM sucrose aqueous solution and 0.1 mM sucrose aqueous solution are separated by a membrane that permeable only to water. Which statements are correct for the chemical
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 10 Due Date Apr. 22 (Wed), 2009 Please solve the following questions. This is a good part of the final Exam. P9.1-2, P9.4,5, P9.8-9, P9.12-14, P9.18, P9.21, P9.24, P9.28-9, P9.32, P9.
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Chem340 Physical Chemistry for Biochemists Mini Quiz 2 Apr 13, 2009 Q1. Which relationship is correct for an mixing? Choose one incorrect answer. (a) G0mixing< 0 (b) S0mixing < 0 (c) V0mixing 0 (d) H0mixing 0 Q2. Pure water and a mixture
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 10 Due Date Apr. 22 (Wed), 2009 Please solve the following questions. This is a good part of the final Exam. P9.1-2, P9.4,5, P9.8-9, P9.12-14, P9.18, P9.21, P9.24, P9.28-9, P9.32, P9.
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 9 Due Date Apr. 15 (Wed), 2009 P8.3-5, P8.7, P8.10, P8.18*, P8.20, P8.22, P8.32, P8.36, P8.45 Note: Change P8.18 as The partial molar volumes of water and ethanol in a solution with x
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. Quiz 2 Mar 20, 2009
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Chem340 Physical Chemistry for Biochemists
Q1, 2. The figure 1 (right) shows the temperature dependence of chemical potential for molecule X. Solid and dotted lines denote chemical potentials for 3 phases at P = P0 an
Chem340 Homework 9
P8.3) An ideal solution is formed by mixing liquids A and B at 298 K. The vapor pressure of pure A is 180. Torr and that of pure B is 82.1 Torr. If the mole fraction of A in the vapor is 0.450, what is the mole fraction of A in the solu
P7.1) In this problem, you will calculate the differences in the chemical potentials of ice and supercooled water, and of steam and superheated water all at 1 bar pressure shown
schematically in Figure 7.1. For this problem, SH
2 O ,s
= 48.0 J mol1 K1 ,
P6.2) Calculate A for the isothermal compression of 2.00 mol of an ideal gas at 298 K from an initial volume of 35.0 L to a final volume of 12.0 L. Does it matter whether the path is reversible or irreversible?
dA = SdT PdV At constant T, we consider the
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 8 Due Date Mar. 30 (Mon), 2009 P7.1, P7.3, P7.5-7, P7.13, P7.21-22, P7.33, P7.40, P7.41 (use Table 7.3), P7.44, P7.45
Note: For P7.45, show a calculation only for 0.10M.
Q1. (Modified
Chem340 Physical Chemistry for Biochemists
Exam 2 Mar 6, 2009
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_
I affirm that I have never given nor received aid on this examination. I understand that cheating in the exam will result in a grade F for the class. Signature .
Sec 1 Multiple Choi
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 7 Due Date Mar. 18, 2009
Ch 6 P6.2-6.8, P6.10-13, P6.15, P6.17-6.21. P6.24, P6.26, P6.28, P6.30, P6.38, P6.39
(A / T ) (A / T ) 2 Q1. Prove that = U / T and = U . They are also (T )
P4.23) Oxygen gas reacts with solid glycylglycine (C4H8N2O3) to form solid urea (CH4N2O), carbon dioxide gas, and liquid water. At T= 298 K and P = 1 bar, the standard enthalpy change is H = 1340.1 kJ mol1 . 298 3O2 (g) + C4H8N2O3 (s) CH4N2O (s) + 3CO2 (g
Homework5 Answer (Due Friday, 02/27/2009)
P4.1, P4.2, P4.3, P4.6, P4.8, P4.18, P4.19, P4.21, P4.29, P4.31
P4.1) Calculate H reaction and U reaction at 298.15 K for the following reactions:
a. 4NH3(g) + 6NO(g) 5N2(g) + 6H2O(g) b. 2NO(g) + O2(g) 2NO2(g) c.
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 5 Due Date Feb 25, 2009 P4.1, P4.2, P4.3, P4.8, P4.18, P4.19, P4.21, P4.29, P4.31, P4.32
Q1. Using dHA = CpAdT +(H/P)T, ndP + (H/n)T, PdnA (A = B, X, or Y), prove that the reaction en
Chem340 Physical Chemistry for Biochemists
Exam 1 Feb 11, 2009
Your Name
_
I affirm that I have never given nor received aid on this examination. I understand that cheating in the exam will result in a grade F for the class. Signature .
Sec 1 Multiple Cho
Homework 4 Answer (Due 02/11/2009 Wednesday) P2.31, P2.34 P3.2, P3.3, P3.4, P3.7, P3.10, P3.15, P3.16, P3.19, P3.21, P3.22, P3.23, P3.25 P2.31) DNA can be modeled as an elastic rod that can be twisted or bent. Suppose a DNA molecule of length L is bent su
Homework 3 Answer (Due 02/04/2009 Wednesday) P2.3, P2.7, P2.8, P2.11, P2.16, P2.19, P2.20, P2.21, P2.23, P2.25, P2.26 P2.3) 3.00 moles of an ideal gas are compressed isothermally from 60.0 to 20.0 L using a constant external pressure of 5.00 atm. Calculat
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 4 Due Date Feb 11, 2009
P2.31, P2.34 P3.2, P3.3, P3.4, P3.7, P3.10, P3.15, P3.16, P3.19, P3.21, P3.22, P3.23, P3.25 (Use data in Appendix B if needed)
1.
Show Dq = dU Dw is not an exa
Homework 2 Answer (Due 01/28/2009 Wednesday) 1. (a) Calculate the molar volume, temperature, pressure of H2O at the critical point using van der Waals parameters a and b (see Table 1.1). (b) Obtain the density of H2O at the critical point, and compare it
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 3 Due Date Feb 4, 2009 P2.3, P2.7, P2.8, P2.11, P2.16, P2.19, P2.20, P2.21, P2.23, P2.25, P2.26 1. Calculate dy/dx for the following y: (a) y =ax; (b) y =2x3; (c) y = 3x3 + 2x-5 (d) y
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii Homework 2 Due Date Jan 28, 2009 1. (a) Calculate the molar volume, temperature, and pressure of H2O at the critical point using van der Waals parameters a and b (see Table 1.1 below). (b) Obt
Chem340 Physical Chemistry for Biochemists Dr. Yoshitaka Ishii
Homework 1 Due Date Jan 21, 2009
Solve P1.2, P1.4, P1.5, P.1.6, P1.8, P1.15, P.1.18, P.1.20, P1.30 in Ch. 1
1. For N2, Calculate (a) the molecular mass, (b) the molecular weight, (c) the mass