Chemistry: Structure and Properties Custom Edition for Rutgers University General Chemistry
15th Edition
ISBN: 9781269935678
Author: Nivaldo J. Tro
Publisher: Pearson Education
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Chapter 13, Problem 42E
Which solid in each pair has the higher melting point and why?
a. Fe(s) or CCl4(s)
b. KCl(s) or HCl(s)
c. Ti(s) or Ne(s)
d. H2O(s) or H2S(s)
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The acid-base indicator HX undergoes the following reaction in a dilute aqueous solution:
HX (color 1) H+ + X- (color 2).
The following absorbance data were obtained for a 0.00035 M solution of HX in 0.1 M NaOH
and 0.1 M HCI. Measurements were made at wavelengths of 450 nm and 620 nm using a 1.0
cm glass cuvette.
450
620
A(460 nm) A(630 nm)
0.1 M NaOH
0.1 M HCI
0.065
0.435
0.895
0.150
In the 0.1M NaOH solution, the indicator will be almost 100% in the X- form, while in 0.1M HCI,
the indicator will be nearly 100% protonated (HX). Calculate the acid dissociation constant for
the indicator if a pH=5 buffer solution containing a very small amount of indicator exhibits an
absorbance of 0.567 at 450 nm and 0.395 at 620 nm (measured in a 1 cm glass cuvette).
Chapter 13 Solutions
Chemistry: Structure and Properties Custom Edition for Rutgers University General Chemistry
Ch. 13 - Determine what state this substance is in at 1 atm...Ch. 13 - Prob. 2SAQCh. 13 - Prob. 3SAQCh. 13 - Prob. 4SAQCh. 13 - Prob. 5SAQCh. 13 - Prob. 6SAQCh. 13 - Prob. 7SAQCh. 13 - Prob. 8SAQCh. 13 - Prob. 9SAQCh. 13 - Prob. 10SAQ
Ch. 13 - What is a phase diagram?Ch. 13 - Draw a generic phase diagram and label its...Ch. 13 - What is the significance of crossing a line in a...Ch. 13 - What is graphene? Why is graphene unique?Ch. 13 - Prob. 5ECh. 13 - What is a crystalline lattice? How is the lattice...Ch. 13 - Prob. 7ECh. 13 - Prob. 8ECh. 13 - What is the difference between hexagonal closest...Ch. 13 - What are the three basic types of solids and the...Ch. 13 - Prob. 11ECh. 13 - What kinds of forces hold each of the three basic...Ch. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Consider the phase diagram for iodine shown here....Ch. 13 - Prob. 21ECh. 13 - Prob. 22ECh. 13 - Prob. 23ECh. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - An X-ray beam of unknown wavelength is diffracted...Ch. 13 - Prob. 27ECh. 13 - Determine the coordination number for each...Ch. 13 - Prob. 29ECh. 13 - Molybdenum crystallizes with the body-centred unit...Ch. 13 - Prob. 31ECh. 13 - An atom has a radius of 142 pm and crystallizes in...Ch. 13 - Rhodium has a density of 12.41 g / cm3 and...Ch. 13 - Barium has a density of 3.59 g/cm3 and...Ch. 13 - Prob. 35ECh. 13 - Palladium crystallizes with a face-centered cubic...Ch. 13 - Prob. 37ECh. 13 - Identify each solid as molecular, ionic, or...Ch. 13 - Which solid has the highest melting point? Why?...Ch. 13 - Which solid has the highest melting point? Why?...Ch. 13 - Which solid in each pair has the higher melting...Ch. 13 - Which solid in each pair has the higher melting...Ch. 13 - Prob. 43ECh. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - The unit cells for cesium chloride and barium(ll)...Ch. 13 - Prob. 48ECh. 13 - Prob. 49ECh. 13 - Prob. 50ECh. 13 - Prob. 51ECh. 13 - Prob. 52ECh. 13 - Prob. 53ECh. 13 - Prob. 54ECh. 13 - Prob. 55ECh. 13 - Prob. 56ECh. 13 - Prob. 57ECh. 13 - The density of an unknown metal is 12.3 g/cm3 and...Ch. 13 - Prob. 59ECh. 13 - Consider a planet where the pressure of the...Ch. 13 - An unknown metal is found to have a density of...Ch. 13 - Prob. 62ECh. 13 - Potassium chloride crystallizes in the rock salt...Ch. 13 - Calculate the fraction of empty space in cubic...Ch. 13 - Prob. 65ECh. 13 - Prob. 66ECh. 13 - Prob. 67E
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