FUNDAMENTALS OF PHYSICS
12th Edition
ISBN: 9781119798606
Author: Halliday
Publisher: WILEY
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Chapter 22, Problem 82P
(a)
To determine
The velocity of electrons when it hits the screen.
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6. We used the constant volume heat capacity, Cv, when we talked about
thermodynamic cycles. It acts as a proportionality constant between energy and
temperature: dU = C₁dT.
You can also define a heat capacity for constant pressure processes, Cp. You can think
of enthalpy playing a similar role to energy, but for constant pressure processes
δαρ
C = (37) - Sup
Ср
ат
P
=
ат
Starting from the definition of enthalpy, H = U + PV, find the relationship between Cy
and Cp for an ideal gas.
Pure membranes of dipalmitoyl lecithin phospholipids are models of biological membranes. They melt
= 41°C. Reversible melting experiments indicate that
at Tm
AHm=37.7 kJ mol-1. Calculate:
A. The entropy of melting, ASm-
B. The Gibbs free energy of melting, AGm-
C. Does the membrane become more or less ordered upon melting?
D. There are 32 rotatable CH2
CH2 bonds in each molecule that can rotate more freely if the
membrane melts. What is the increase in multiplicity on melting a mole of bonds?
5. Heat capacity often has a temperature dependence for real molecules, particularly if
you go over a large temperature range. The heat capacity for liquid n-butane can be
fit to the equation
Cp(T) = a + bT
where a = 100 J K₁₁ mol¹ and b = 0.1067 J K² mol¹ from its freezing point (T = 140 K)
to its boiling point (T₁ = 270 K).
A. Compute AH for heating butane from 170 K to 270 K.
B. Compute AS for the same temperature range.
Chapter 22 Solutions
FUNDAMENTALS OF PHYSICS
Ch. 22 - The potential energies associated with four...Ch. 22 - a In Checkpoint 4, if the dipole rotates from...Ch. 22 - Sketch qualitatively the electric field lines both...Ch. 22 - SSM The nucleus of a plutonium-239 atom contains...Ch. 22 - Two charged particles are attached to an x axis:...Ch. 22 - SSM A charged particle produces an electric Held...Ch. 22 - What is the magnitude of a point charge that would...Ch. 22 - SSM Two charged particles are fixed to x axis:...Ch. 22 - The electric field of an electric dipole along the...Ch. 22 - Equations 22-8 and 22-9 are approximations of the...
Ch. 22 - Density, density, density. a A charge 300e is...Ch. 22 - Charge is uniformly distributed around a ring of...Ch. 22 - A disk of radius 2.5 cm has a surface charge...Ch. 22 - SSM WWW At what distance along the central...Ch. 22 - A circular plastic disk with radius R = 2.00 cm...Ch. 22 - GO An electron with a speed of 5.00 108 cm/s...Ch. 22 - SSM A charged cloud system produces an electric...Ch. 22 - Humid air breaks down its molecules become ionized...Ch. 22 - SSM An electron is released from rest in a uniform...Ch. 22 - An alpha particle the nucleus of a helium atom has...Ch. 22 - ILW An electron on the axis of an electric dipole...Ch. 22 - An electron is accelerated eastward at 1.80 ...Ch. 22 - SSM Beams of high-speed protons can be produced in...Ch. 22 - A 10.0 g block with a charge of 8.00 10-5 C is...Ch. 22 - At some instant the velocity components of an...Ch. 22 - Assume that a honeybee is a sphere of diameter...Ch. 22 - An electron eaters a region of uniform electric...Ch. 22 - ILW A uniform electric field exists in a region...Ch. 22 - An electric dipole consists of charges 2e and -2e...Ch. 22 - SSM An electric dipole consisting of charges of...Ch. 22 - How much work is required to turn an electric...Ch. 22 - Find an expression for the oscillation frequency...Ch. 22 - a What is the magnitude of an electrons...Ch. 22 - A spherical water drop 1.20 m in diameter is...Ch. 22 - Three particles, each with positive charge Q, form...Ch. 22 - A proton and an electron form two comers of an...Ch. 22 - A charge uniform linear density = 9.0 nC/m lies on...Ch. 22 - Two particles, each with a charge of magnitude 12...Ch. 22 - The following table gives the charge seen by...Ch. 22 - A charge of 20 nC is uniformly distributed along a...Ch. 22 - SSM The electric field in an xy plane produced by...Ch. 22 - A particle of charge q1 is at the origin of an x...Ch. 22 - Two particles, each of positive charge q, are...Ch. 22 - Prob. 79PCh. 22 - Prob. 80PCh. 22 - Prob. 81PCh. 22 - Prob. 82PCh. 22 - Prob. 83PCh. 22 - Prob. 84P
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