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Problem 1. (20 points)
Part A. (10 Points) Calculate the effect of an increase of 10 bar pressure on the
vapor pressure of water at 25 0C. The density of water is .997 g cm'3 at 25 0C.
(Note: 1bar=105 Pa, R: 8. 3145 J K'1 mol'1.and lJ =1Pam3)
Part B. (10
Problem 1. (20 points)
Part A. (10 Points) Calculate the effect of an increase of 10 bar pressure on the
vapor pressure of water at 25 0C. The density of water is .997 g cm'3 at 25 0C.
(Note: 1bar=105 Pa, R: 8. 3145 J K'1 mol'1.and lJ =1Pam3)
Part B. (10
Chem. 3411: Homework Assignment 9, Due Monday Nov. 23, 2015
@t 2257 K and 1 .00 atm total pressure, water is 1.77 per cent dissociated at equilibrium by way
of the reaction 2H20(g) H 2H2(g) + 02(g). Calculate (a) K, (b) ArGe and (c) ArG at this
temperatur
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Chem. 3411 Homework assignment #7 Due Weds. Oct. 28, 2015
4'20 melQJ'IOH
1.) Derive the differential expressions for the chemical potential for each of the extensive
thermodynamic properties, G, H, U and A. X (“4V5 r 5:3“
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Chem. 3411 Homework Assignment # 8. Due Nov. 9, 2015.
Ques. 1. Calculate the Gibbs energy, entropy and enthalpy of mixing when 1 mol of C6H14 (hexane)
is mixed with 1 mol of C7H16 (heptane) at 298 K; treat the solution as ideal.
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Homework assignment #4.
Due Friday Sept. 26, 2015
1.) Derive the expressions for entropy change at constant temperature, constant volume and
constant pressure. Note: These are three separate expressions.
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Chem. 3411 Homework Assignment No. 6.
Due Friday, Oct. 23, 2015.
1.) On a cold, dry morning after a frost, the temperature was — 5 °C and the partial pressure of
water in the atmosphere fell to 2.0 Torr. Will the frost sublime? What partial pressure of
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Chem. 3411 Homework Assignment No.3. ? O
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1.) A sample consisting of 1.0 mol of monotonic perfect gas, for which Cm = 3/2R, initially at p1 =
1.00 atm and T1 = 300 K, is heated reversibly to 400 K at constant volume. Calculate the final
p
Chem 3411  Homework 5. Due Weds. Sept. 30, 2015.
16. There are many relations between differential changes in pressure, temperature, volume and
3x 120$ A 1 entropy. These are known as the Maxwell relations. What are the four fundamental equations
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CHAPTER 13: STATES OF MATTER
GASES
Properties of Gases:
Particles spread far apart
Dispersion forces between molecules (some dipole)
Exert pressure
Kinetic Theory: (for gases only)
The particles in a gas are assumed to be small, hard spheres with an in
Chapter 3 Problems
Page 1 of 6
11/1/2007
3.3 The second law says that entropy increases for irreversible processes. Living organisms
seem to violate the second law. Evaluate and state why this is not the case.
Indeed, biological systems (organisms, biomol
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Chem/Biochem 471
Exam 1
10/9/08
Page 1 of 7
KEY
Name:_
(Please print clearly on all pages)
Please leave the exam pages stapled together. The formulas are on a separate sheet.
This exam has 5 questions. You must answer at least 4 of the questions. You may
Chem. 3411 Physical Chemistryl
Examination 1, Oct. 2, 2015
Name: (PRINT)
“W——_
Kt \ .
Signature:
This exam consists of EIGHT (8) problems. You are
REQUIRED to answer ONLY FIVE (5) problems. Each
problem is worth 20 points so the total exam will be graded