Chemistry: A Molecular Approach,
1st Ed.
Nivaldo Tro
2008, Prentice Hall
Chemistry in Your World!
The Large Hadron Collider
Going on line Wednesday!
$9 Billion, 7000 scientists
17 miles in circumference
96 tons of liquid helium required to cool it!
Part i
A plot of I/Io vs. cos2 displays a linear trend as angle increases by 10 degree
increments. Using best fitline, slope and yintercept values were found; m =
_ and b = _. The line displayed trend predicted by
Malus Law, , which implies that there is direc
Combustion Analysis
a common technique for analyzing compounds
is to burn a known mass of compound and
weigh the amounts of product made
generally used for organic compounds containing C,
H, O
by knowing the mass of the product and
composition of constitu
Early Philosophy of Matter
Some philosophers believed that matter
had an ultimate, tiny, indivisible particle
Leucippus and Democritus (Atomists)
Other philosophers believed that matter
was infinitely divisible
Plato and Aristotle
Since there was no exper
Experiment 28: Polarization and Interference
1. Objective:

To observe and verify the validity of Malus Law, I() = Io cos2, by studying the relationship between relative
intensity (I/I0) and cos2 through the process of generating unpolarized light and s
Fall, 2008
Presented by
Charles M. Grisham
The Course Syllabus is available online in Collab:
Go to http:/collab.itc.virginia.edu and log on.
Section 1/1 MWF 99:50 (Room 402)
Schedule numbers 300SR (141), 303R5 (151)
INSTRUCTOR: G. Gerrans Office Phone:
Objective:
To learn about electric fields by 1) generating different shapes of electrodes and drawing electric field lines,
2) observing how electric field and equipotential lines are always perpendicular.
To verify electric shielding theorem by observi
MATHEMATIBAL FORMULAS*
Quadratic Formula
b : Vb2 4ac
Ifax2 + bx + c = 0,thenx =
2a
Binomial Theorem
(1+x)n=1+m
1! 2! 02)
Products of Vectors
Let 9be the smaller of the two angles between a? and F.
Derivatives and Integrals
d
Esmx = oosx
Travis Hughes
Weapons of Mass Destruction
Professor Marka
20170427
Regime at Risk: How Patient Engagement, Credible Threats, Clear Redlines
and Human Rights Requirements Will Win in Iran
The dispute over Irans nuclear program is one of the most pressing s
Travis Hughes
Weapons of Mass Destruction
Homework 2
Professor Marka
25 April 2017
Science News: The most interesting piece of science news I read this week has been that
scientists have switched on a global array of telescopes with the goal of imaging th
My Life in Nukes Program leader at Lawrence Livermore Labs
Focused on surveillance of foreign nuke programs
1. Why would one want to conduct nuclear testing in a test ban enviornment
a. New impetus for weapons and testing  reason to test
i.
Bunker buster
 Range, velocity, travel time and capabilities of ICBMs
 Blast radius, area of destruction and explosive power
 Nuclear testing in the SouthPacific and its consequences
 Nuclear fuel cycle
 Nuclear arsenals
 History of Chemical Weapons
 Chemical W
Testing the Hydrogen Bomb  A status report
Nukes, The K1 Project, The Marshall Islands, Future Plans
1. Nukes
a.
b.
c.
d.
e.
Plutonium Enriched in world  1830 tons
Highly Enriched Uranium  1900 tons
Significant Quantity  Uranium 25kg, Pu 8kg  min for
HM;
Readlnj '. Chaprs 35) 3 g
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Physics C1402 Formula Sheet
i
U W elec
elec
U W
dq
dt
F
1
4 0
q1 q 2
r
2
(Coulombs Law)
V
W elec
q
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K W appl W elec
V E ds
elec
V
F
E
q0
1 q
E
r (point charge)
4 0 r 2
1 p
(dipole)
E
2 0 z 3
p qd (electric dipole moment)
F qE (point charge)
p
HW 1
Readnnj. Chaftw 21,23
'1.FO(CQS on dnmges
Charges Q) +27, and i are PosiEomd as shown.
Q and +21, are Coup! ) 41 cfw_S 4,129.1 cfw_:0 Moi/t.
5
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4. Problem 28.72. (a) For the magnetic field to have an effect on the moving electrons, we need a non
negligible component of B to be perpendicular to v (the electron velocity). It is most efficient, therefore,
to orient the magnetic field so it is perpen
4. Problem 26.61. The amount of charge that strikes the surface in time t is given by q = i t,
where i is the current.
Since each alpha particle carries charge q = +2e, the number of particles that strike the surface is
N
q it
.
2e 2e
For part (b), let N
4. Problem 25.50. Let
C1 = 0(A/2)1/2d = 0A1/4d,
C2 = 0(A/2)2/d = 0A2/2d,
C3 = 0A3/2d.
Note that C2 and C3 are effectively connected in series, while C1 is effectively connected in parallel with
the C2C3 combination. Thus,
C C1
C2C3
A A d 2 2 3 2 0 A
2
4. Problem 29.41. The magnitudes of the forces on the sides of the rectangle that are parallel to the
long straight wire (with i1 = 30.0 A) are computed using Eq. 2913, but the force on each of the sides
lying perpendicular to it (along our y axis, with
4. Problem 31.48. (a) With both switches closed (which effectively removes the resistor from the
circuit), the impedance is just equal to the (net) reactance and is equal to
Xnet = (12 V)/(0.447 A) = 26.85 .
With switch 1 closed but switch 2 open, we have
4. Problem 30.57. (a) Before the fuse blows, the current through the resistor remains zero. We apply
the loop theorem to the batteryfuseinductor loop: L di/dt = 0. So i = t/L. As the fuse blows at t = t0,
i = i0 = 3.0 A. Thus,
t0
i0 L
3.0 A 5.0 H 1.5
4. Problem 26.48. The mass of the water over the length is
m AL (1000 kg/m3 )(15 105 m2 )(0.12 m) 0.018 kg ,
and the energy required to vaporize the water is
Q Lm (2256 kJ / kg)(0.018 kg) 4.06 104 J .
The thermal energy is supplied by joule heating of the
4. Problem 24.10. In the inside region between the plates, the individual fields (given by Eq. 2413)
are in the same direction ( i ):
50 109 C/m2
25 109 C/m2
Ein
i (4.2 103 N/C)i .
12
2
2
12
2
2
2(8.85 10 C /N m ) 2(8.85 10 C /N m )
In the outside re
4. Problem 21.50. (a) Since the rod is in equilibrium, the net force acting on it is zero, and the net
torque about any point is also zero. We write an expression for the net torque about the bearing,
equate it to zero, and solve for x. The charge Q on th
4. Problem 23.42. The surface charge density is given by
E / 0 0 E 8.85 1012 C2 /N m2 (55 N/C) 4.9 1010 C/m2 .
Since the area of the plates is A 1.0 m2 , the magnitude of the charge on the plate is
Q A 4.9 1010 C.
5. Problem 23.54. Applying Eq. 2320, we
Experiment 4:
Charge to mass ratio (e/m)
of the electron
Angelo Esposito
[email protected]
Office Hour: Wednesday, 2PM3PM @ Pupin 932
INTRO TO EXPERIMENTAL PHYSLAB
1493/1494/2699
Introduction
Our first measurement of atomic structure
Chargeto
Experiment 6:
Interferometers
Angelo Esposito
[email protected]
Office Hour: Wednesday, 2PM3PM @ Pupin 932
INTRO TO EXPERIMENTAL PHYSLAB
1493/1494/2699
NOTE: No labs and no lecture
next week!
Outline
The physics behind:
Review: EM waves
EM in