PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
1st Edition
ISBN: 9781323834831
Author: Knight
Publisher: PEARSON C
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Chapter 35, Problem 16EAP
To determine
The focal length of the eyepiece.
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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 35 Solutions
PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
Ch. 35 - Prob. 1CQCh. 35 - Prob. 2CQCh. 35 - Prob. 3CQCh. 35 - Prob. 4CQCh. 35 - Prob. 5CQCh. 35 - Prob. 6CQCh. 35 - Prob. 7CQCh. 35 - To focus parallel light rays to the smallest...Ch. 35 - Prob. 9CQCh. 35 - Two converging lenses with focal lengths of 40 cm...
Ch. 35 - Prob. 2EAPCh. 35 - Prob. 3EAPCh. 35 - Prob. 4EAPCh. 35 - Prob. 5EAPCh. 35 - A 2.0-rn-tall man is 10 m in front of a camera...Ch. 35 - What is the f-number of a lens with a 35 mm focal...Ch. 35 - What is the aperture diameter of a...Ch. 35 - A camera takes a properly exposed photo at f/5.6...Ch. 35 - A camera takes a properly exposed photo with a...Ch. 35 - Ramon has contact lenses with the prescription...Ch. 35 - Ellen wears eyeglasses with the prescription -1.0...Ch. 35 - 13. What is the f-number of a relaxed eye with the...Ch. 35 - Prob. 14EAPCh. 35 - Prob. 15EAPCh. 35 - Prob. 16EAPCh. 35 - Prob. 17EAPCh. 35 - A 20 telescope has a 12-cm-diameter objective...Ch. 35 - Prob. 19EAPCh. 35 - Prob. 20EAPCh. 35 - Prob. 21EAPCh. 35 - Prob. 22EAPCh. 35 - Prob. 23EAPCh. 35 - A scientist needs to focus a helium-neon laser...Ch. 35 - Prob. 25EAPCh. 35 - Prob. 26EAPCh. 35 - Prob. 27EAPCh. 35 - Prob. 28EAPCh. 35 - Prob. 29EAPCh. 35 - Prob. 30EAPCh. 35 - Prob. 31EAPCh. 35 - Prob. 32EAPCh. 35 - Prob. 33EAPCh. 35 - Prob. 34EAPCh. 35 - Prob. 35EAPCh. 35 - Prob. 36EAPCh. 35 - 37. You’ve been asked Lo build a telescope from a...Ch. 35 - Prob. 38EAPCh. 35 - Prob. 39EAPCh. 35 - Prob. 40EAPCh. 35 - Prob. 41EAPCh. 35 - Prob. 42EAPCh. 35 - Prob. 43EAPCh. 35 - Prob. 44EAPCh. 35 - Prob. 45EAPCh. 35 - Prob. 46EAPCh. 35 - Alpha Centauri, the nearest star to our solar...Ch. 35 - Prob. 48EAPCh. 35 - Prob. 49EAPCh. 35 - Prob. 50EAP
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