31-71 odds Josh Peng and extra 31. A glycosidic bond would be present in : In chemistry, a glycosidic bond is a certain type of functional group that joins a carbohydrate (sugar) molecule to another, which may be another carbohydrate. Specifically,
Problem Set 4-2014 Solutions
In[2548]:=
[email protected]"Global`*"D
Problem 1
The isothermal compressibility of a substance is given by
-1
!V
V
kT =
!P
T
Obtain expressions for the compressibility for (a) ideal & (b) van der Waals gas.
a. ideal gas
In[2549]:=
-1
Problem set 3
Chem 4372
Due: 4 Feb 2014
Problem 1
Using the data in table 8.6 and 18.1 in your textbook, make a plot of fraction of Na and Li atoms in their
first excited state over the temperature range of 300K to 3000K. Your plot should have two curves,
Problem Set 2.
Chem 4370 Physical Chemistry 1
Spring 2014
Problem 1
Solution
part 1
[email protected] := e1
[email protected]_D := n2 [email protected][email protected]@iD, 8i, 1, 4<D
8e1 , 4 e1 , 9 e1 , 16 e1 <
part 2
We need to have 3 particles such that their total energy sums to 81 E1 . Clearly,
CHEM 4373, Fall 2017
Lecture 4 (Sep. 07, 2017)
Chapter 3 Thermodynamics: Applications of the First Law
Enthalpy: is a state function and has extensive property
3.4 The combination of reaction enthalpies
a. Reaction enthalpy and standard reaction enthalpy
CHEM 4373, Fall 2017
Midterm 1Practice
(Please circle the correct answer.)
1. In the isothermal reversible compression of 24.0 mmol of a perfect gas at 500 K, the
volume of gas is reduced from 300 cm3 to 100 cm3, calculate w for this process.
A. -123 J
B.
CHEM 4373, Fall 2017
Lecture 3 (Sept. 05, 2017)
Chapter 3 Thermodynamics: Applications of the First Law
3.1 The enthalpy of phase transition
a. Standard state: state of pure substance at 1 bar (105 Pa), denoted as o.
For example: Hom, standard molar entha
Vm
Molar volume:
a. Pressure:
p=
nM c
3V
V RT
=
n
p
Mole fraction xJ:
x J =nJ /n
2
; c: root-mean-square (rms) speed. M: molecular mass.
a. crms of ideal gas molecules: c rms = 3 RT / M
b. Maxwell distribution of the speed-Note 1: speed is not uniform, bu
CHEM 4373, Fall 2017
Lecture 1 (Aug. 22, 2017)
Chapter 1 The Properties of Gases
1.1 Ideal gas law
pV =nRT
Note 1: T is in K (Kelvin), T (K) = T (C) + 273.15
Note 2: R is a constant, with value depending on the units. R = 8.314 JK -1mol-1 (in SI units).
A
Chem 4370 Spring 2016
Problem Set 2
Name: Anne Serki
1. (5 points) According to quantum mechanics, the energy levels for an particle with mass m
(such as an electron) confined in a 1-dimensional box of length a is given by
h2
= n2 E1
8ma2
where h is Planc
Chem 4370 Spring 2016
Problem Set 3
Name: 3.0cm
You all have been working hard the past 2 weeks, time for a breather!
1.
(5 points) Calculate the work in Joules required to compress isothermally at T=300K, 0.200
mol of an ideal gas from 4.00 L to 2.00 L.
Chem 4370 Spring 2016
Problem Set 4
1.
Name: Anne Serki
(5 points) The isothermal compressibility of a substance is given by
T =
1
V
V
p
T
Obtain an expression for the isothermal compressibility for
1. an ideal gas
2. a van der Waals gas.
3. For the van
Chem 4370 Spring 2016
Problem Set 9
Name:
1.
(25 points) The saddle point region of a potential energy surface describing a chemical
reaction can be approximated as a hyperbolic paraboloid represented by the equation:
V (r1 , r2 ) = Vo
r1
a2
2
r2
b2
!
2
+
Chem 4370 Spring 2016
Problem Set 7
Name:
1.
(35 points)
For ideal gases, the change in enthalpy per mole of reactant does not depend upon the partial
however does. For an ideal gas the molar
pressures of the reactant and product gases. S,
entropy
S = S
Chem 4370 Spring 2016
Problem Set 1
Name:
This is due on Tuesday, 26-Jan by the start of class. Please complete each problem and turn in
a neat solution set. It is OK to use Mathematica and all plots should be computer generated.
Your final solution set s
Problem Set 6
Physical Chemistry (Chem 4370)
Due: 1-March 2016.
Note: this is a PDF of a Mathematica file. The Solutions are hidden-bummer, right?
squeeze your answers in the space given. Also, be forewarned: #6 is quite involved.
Dont try to
Problem 1
Su
Chem 4370 Spring 2016
Problem Set 8
Name:
1.
(5 points) Boiling point elevation: Colligative properties depend upon the number of solute
particles present in a solution, not so much upon their identity. In this problem, we shall derive
relations for the b
Chem 4370 Spring 2016
Problem Set 10
Name: Amy Singh
By the end of this section, you should be able to answer each of these questions. My goal for this
course was for you all to be able to read and understand some of the core concepts in physical
chemistr
CHEM 4373, Fall 2017
Lecture 2 (Aug. 24, 2017)
Chapter 2 Thermodynamics: the First Law
2.1 The first law of thermodynamics:
The conservation of energy: energy can be neither created nor destroyed.
Or mathematically,
U =w+ q
U: change of internal energy;
Sheridan Conklin
Experiment 1: Physical properties of the C10H8 Isomers
4/5/2017
TA: Aleksandr Pikalov
Abstract
This experiment focused on computational chemistry using GaussView 4.1.2 to find the
quantum mechanical relations. Ab-initio calculations on ox
Sheridan Conklin
Experiment 9: Atomic Force Microscopy
4/6/2017
TA: Michelle de Leon
Introduction
In this experiment, Atomic Force Microscopy was used to determine the adhesion force
of the sample being evaluated. From the image obtained from the AFM proc
Problem Set #7
Physical Chemistry, Chem 4370
only 1 problem this week.so you can bet its not easy. Welcome back from
Spring Break.
Problem 1
For ideal gases, the change in enthalpy per mole of reactant does not depend upon the partial pressures of the rea
Chem 4370 Fall 2011
Midterm: 13-Oct-2011
Name: Anne Serkey
You have 60 minutes to take this 80 pt exam. You do not need to show your work on the
questions on this page; however, you will need to show your work to receive partial credit on
the remaining qu
Chem 4370 Spring 2011
Midterm 2: 28-April-2011
Name: Anne Serki
You have 60 minutes to take this 130 pt exam. You do not need to show your work on the
questions on this page; however, you will need to show your work to receive partial credit on
the remain
Chem 4370 Spring 2014
Final Exam: 5-8pm 8-May-2014 SEC 201
Name:
In PART 1: Please use the space provided in these pages for your answers and work.
PART 2 will be from the ACS Physical Chemistry Exam. You are to do the Thermo, Kinetics,
and Dynamics secti
Sheridan Conklin
1320916
4/5/2017
Experiment 1: Heat Capacity Ratios for Gases
The heat capacity of several gases will be determined in this experiment. This will be done
adiabatic expansion method. The heat capacity ratio will be defined from what is don
Sheridan Conklin
Experiment 2: Physical Properties of NaCl
4/12/17
TA: Aleksandr Pilalov
Abstract
In this experiment, the HOMO and LUMO energies could be calculated for Na and Cl
atoms, NaCl molecule, and NaCl crystal using the program GaussView 4.1.2. Th