Quiz 1
Version B
Chapters 13 & 14
4/13/12
On the ParScore form you need to fill in your perm number, test version, and
name. Failure to do any of these things will result in the loss of 1 point.
Your
CHEM 150
HOMEWORK #2 - Solutions
1. A 50.0 mL sample of vinegar (density = 1.06 g/mL) was diluted to 500.0 mL.
Titration of a 50.0 mL aliquot of this solution required 42.5 mL of 0.0900 M
NaOH to reac
Quiz 1
Version A
Chapters 13 & 14
4/13/12
On the ParScore form you need to fill in your perm number, test version, and
name. Failure to do any of these things will result in the loss of 1 point.
Your
Chem 113A Homework #2
Due: Tues. 10/16/12
1. Calculate w for the adiabatic expansion of 1 mol of an ideal gas at an initial pressure of 2.00 bar from
an initial temperature of 450 K to a final tempera
CHEM 150
HOMEWORK #4
Due: Monday, 7/23/12
1. A sample of toothpaste was analyzed for its fluoride content by treating a 250 mg sample
with an ionic strength buffer to extract F- followed by dilution t
CHEM 150
HOMEWORK #3
Solutions
1. Calculate the standard potential for the reaction
ZnCO3(s) + 2e-
=
Zn(s) + CO32-(aq)
for ZnCO3 having Ksp = 1.4 X 10-11.
E = -1.08 V
2. The following cell was found t
Chem 113A Homework #2
Solutions
1. Calculate w for the adiabatic expansion of 1 mol of an ideal gas at an initial pressure of 2.00 bar from
an initial temperature of 450 K to a final temperature of 30
Chem 113A Homework #2 Solutions 1. Calculate w for the adiabatic expansion of 1 mol of an ideal gas at an initial pressure of 2.00 bar from an initial temperature of 450 K to a final temperature of 30
Chemistry 113A Fall 2013
Lecture: TR 11AM 12:15PM
1171 Chemistry
Instructor: Prof. Steve Buratto
4148B Chemistry
[email protected]
Office Hours: MW 1 - 2 PM; T 9 10 AM (or by appointment)
Course T
Chem 113A Homework #1
Solutions
1. The total pressure of a mixture of oxygen and hydrogen is 1.00 atm. The mixture is ignited and the
water is removed. The remaining gas is pure hydrogen and exerts a
Chemistry 150
Quantitative Analysis
Final Exam (take home)
200 pts. possible
Rules: You may use the following materials: (1) your textbook; (2) your class notes; and
(3) any downloaded items from the
Chem. 113A 2nd Midterm Exam November 29, 2012 Prof. Buratto
Solutions
problem 1
score Jack
2
Hunter
3
Jack
4
Prof. B
5
Hunter
6
Jack
7
Hunter
Useful Constants electron mass proton mass neutron mass at
Physical Chemistry (I)
Quiz 02
Nov. 3, 2011
1. (10%)Derive the following expression for calculating the isothermal change in the
constant volume heat capacity:
Because dU = TdS PdV = CV dT + dV
Theref
Physics 6A lecture 1 2011-01-04
Friction
1. Why does the magnitude of static friction in the force
equation have an inequality sign?
Kinetic (sliding) friction:
opposes sliding
2. Does an object need
Physics 6A lecture 1 2011-01-04
Physics Mailbag
1. Why doesn t the initial acceleration (i.e. the acceleration of a
ball in your hand when you toss it upward) matter in free fall
problems?
2. Why is a
Chem 113A Homework #5 Due: Tues. 11/13/12
1. At 31.2C, pure propane and n-butane have a vapor pressure of 1200 and 200 Torr, respectively. a) Calculate the mole fraction of propane in the liquid mixtu
Chem 113A Homework #7
Solutions
Problem 1
The escape velocity from the Earths surface is given by vE = (2gR)1/2 where g is
gravitational acceleration (9.80 m s2) and R is the radius of the Earth (6.37
Chem. 113A 1st Midterm Exam October 25, 2012 Prof. Buratto
Solutions
problem 1
score Jack
2
Prof. B
3
Hunter
4
Hunter
5
Jack
6
Hunter
7
Jack
1. (15 pts.) A sample consisting of 3.0 mol of an ideal gas
Chem 113A Homework #3 Due: Tues. 10/23/12
1. 1.75 moles of an ideal gas with CV,m = 3/2R is transformed from an initial state T = 750 K and P = 1.75 bar to a final state T = 350 K and P = 5.25 bar. Ca
Chem. 113A Homework #3 Solutions 1. 1.75 moles of an ideal gas with CV,m = 3/2R is transformed from an initial state T = 750 K and P = 1.75 bar to a final state T = 350 K and P = 5.25 bar. Calculate U
Chem 113A Homework #4 Solutions 1. Use the Maxwell relations to express the derivatives ( / ) and ( / ) in terms of the heat capacities, the thermal coefficient and the isothermal compressibility. Beg
Chem 113A Homework #5 Solutions
1. At 31.2C, pure propane and n-butane have a vapor pressure of 1200 and 200 Torr, respectively. a) Calculate the mole fraction of propane in the liquid mixture that bo
The total differential dz written as
is exact iff (if and only if) their exists a function f(x,y) such that
and
the exact differential is then written as
Note: in thermodynamics the function z = f(x,y
Physics 6A lecture 1 2011-01-04
Q4.8
A question for you:
1. Astronauts who are in orbit are still being acted on by gravity
because they stay in orbit. Why do they experience
weightlessness if gravity
Physics 1 Second Midterm Exam (AM) 2/25/2010
Name: _
1. (This problem is worth 40 points.) A roller coaster car of m travels
around a vertical loop of radius R. There is no friction and no air
resista
Entropy
heat engine
Lets consider the efficiency of a Carnot engine again
C 1
Q1C
Q 2C
T
1 1
T2
Q1C
Q2C
Q2C Q2C
Th=T2
T1
T2
W
Tc=T1
Q1C Q1C
C
C
C
C
Taking into account Q2 Q2 and Q1 Q1
Q1C Q 2 C
0
T1
T
Chem 113A, Fall 2017, Homework 3: due on Monday, October 23, at 11:55 pm
You are going to examine the properties and the use of the expression
q = Cp(T,p) dT + l p (T, p) dp
1. (20 points) What are t
Chem 113A, Fall 2017, Problem Set 1
due Friday, October 6, 11:55 pm, by upload to GauchoSpace
1 [20 points] Type the following nine expressions in Mathematica (the file Ch1MaT.nb
explains how one writ
Chem 113A, Fall 2017, Problem Set 2
due Monday, October 16 by upload to GauchoSpace
1. (10 points) Define a function pvdw[T,v] that gives the pressure according to the van der Waals equation
p=
RT
a
(
Problem set 2, Chem 128-228, 2017
1. When forming an enolate using LDA as a base, one adds the substrate to a solution of LDA in
THF at 78 C. What sorts of probl