Chemistry: A Molecular Approach
3rd Edition
ISBN: 9780321809247
Author: Nivaldo J. Tro
Publisher: Prentice Hall
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Chapter 12, Problem 27E
Interpretation Introduction
To explain: The Tyndall effect and how it is used to identify the colloidal dispersions.
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Benzoic acid is used to determine the heat capacity of bomb calorimeters because it can be obtained in pure form and its energy of combustion is known very accurately (−26.43 kJ/g). Determine the heat capacity of a calorimeter that had a temperature increase of 9.199°C when 3.500 g of benzoic acid was used.
Given the standard enthalpies of formation for the following substances, determine the
reaction enthalpy for the following reaction.
2N2H4(g) + 2NO2(g) → 3N2(g) + 4H2O(g)
AHrxn
? kJ
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Chapter 12 Solutions
Chemistry: A Molecular Approach
Ch. 12 - Prob. 1SAQCh. 12 - Prob. 2SAQCh. 12 - Q3. A 500.0-mL sample of pure water is allowed to...Ch. 12 - Q4. A potassium bromide solution is 7.55 %...Ch. 12 - Prob. 5SAQCh. 12 - Prob. 6SAQCh. 12 - Prob. 7SAQCh. 12 - Prob. 8SAQCh. 12 - Prob. 9SAQCh. 12 - Prob. 10SAQ
Ch. 12 - Prob. 11SAQCh. 12 - Q12. The enthalpy of solution for NaOH is –44.46...Ch. 12 - Q13. A 2.4 m aqueous solution of an ionic compound...Ch. 12 - Q14. A solution is an equimolar mixture of two...Ch. 12 - Prob. 15SAQCh. 12 - Prob. 1ECh. 12 - Prob. 2ECh. 12 - Prob. 3ECh. 12 - Prob. 4ECh. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - Prob. 9ECh. 12 - 10. What is the heat of hydration (ΔHhydration)?...Ch. 12 - Prob. 11ECh. 12 - Prob. 12ECh. 12 - Prob. 13ECh. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - 22. Explain why the lower vapor pressure for a...Ch. 12 - Prob. 23ECh. 12 - Prob. 24ECh. 12 - Prob. 25ECh. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - Prob. 28ECh. 12 - Prob. 29ECh. 12 - 30. Pick an appropriate solvent from Table 13.3 to...Ch. 12 - 31. Which molecule would you expect to be more...Ch. 12 - 32. Which molecule would you expect to be more...Ch. 12 - Prob. 33ECh. 12 - Prob. 34ECh. 12 - 35. When ammonium chloride (NH4Cl) is dissolved in...Ch. 12 - 36. When lithium iodide (LiI) is dissolved in...Ch. 12 - Silver nitrate has a lattice energy of 820 kJ/mol...Ch. 12 - Prob. 38ECh. 12 - Prob. 39ECh. 12 - Prob. 40ECh. 12 - Prob. 41ECh. 12 - 42. A solution contains 32 g of KNO3 per 100.0 g...Ch. 12 - Prob. 43ECh. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Prob. 49ECh. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - Prob. 52ECh. 12 - Prob. 53ECh. 12 - Prob. 54ECh. 12 - 55. Silver nitrate solutions are often used to...Ch. 12 - Prob. 56ECh. 12 - Prob. 57ECh. 12 - Prob. 58ECh. 12 - Prob. 59ECh. 12 - Prob. 60ECh. 12 - Prob. 61ECh. 12 - Prob. 62ECh. 12 - Prob. 63ECh. 12 - Prob. 64ECh. 12 - Prob. 65ECh. 12 - Prob. 66ECh. 12 - Prob. 67ECh. 12 - Prob. 68ECh. 12 - Prob. 69ECh. 12 - Prob. 70ECh. 12 - 71. Calculate the vapor pressure of a solution...Ch. 12 - Prob. 72ECh. 12 - 73. A solution contains 50.0 g of heptane (C7H16)...Ch. 12 - Prob. 74ECh. 12 - 75. A solution contains 4.08 g of chloroform...Ch. 12 - Prob. 76ECh. 12 - Prob. 77ECh. 12 - Prob. 78ECh. 12 - 79. Calculate the freezing point and boiling point...Ch. 12 - 80. Calculate the freezing point and boiling...Ch. 12 - 81. An aqueous solution containing 17.5 g of an...Ch. 12 - Prob. 82ECh. 12 - 83. Calculate the osmotic pressure of a solution...Ch. 12 - Prob. 84ECh. 12 - 85. A solution containing 27.55 mg of an unknown...Ch. 12 - Prob. 86ECh. 12 - 87. Calculate the freezing point and boiling point...Ch. 12 - Prob. 88ECh. 12 - Prob. 89ECh. 12 - Prob. 90ECh. 12 - Prob. 91ECh. 12 - Prob. 92ECh. 12 - Prob. 93ECh. 12 - Prob. 94ECh. 12 - 95. A 0.100 M ionic solution has an osmotic...Ch. 12 - Prob. 96ECh. 12 - 97. Calculate the vapor pressure at 25 °C of an...Ch. 12 - Prob. 98ECh. 12 - Prob. 99ECh. 12 - 100. The solubility of phenol in water at 25 °C is...Ch. 12 - Prob. 101ECh. 12 - Prob. 102ECh. 12 - Prob. 103ECh. 12 - Prob. 104ECh. 12 - Prob. 105ECh. 12 - Prob. 106ECh. 12 - Prob. 107ECh. 12 - 108. The vapor above an aqueous solution contains...Ch. 12 - Prob. 109ECh. 12 - Prob. 110ECh. 12 - Prob. 111ECh. 12 - Prob. 112ECh. 12 - Prob. 113ECh. 12 - Prob. 114ECh. 12 - Prob. 115ECh. 12 - Prob. 116ECh. 12 - Prob. 117ECh. 12 - Prob. 118ECh. 12 - Prob. 119ECh. 12 - Prob. 120ECh. 12 - Prob. 121ECh. 12 - Prob. 122ECh. 12 - 123. A 100.0-mL aqueous sodium chloride solution...Ch. 12 - Prob. 124ECh. 12 - Prob. 125ECh. 12 - Prob. 126ECh. 12 - 127. A 1.10-g sample contains only glucose...Ch. 12 - 128. A solution is prepared by mixing 631 mL of...Ch. 12 - 129. Two alcohols, isopropyl alcohol and propyl...Ch. 12 - Prob. 130ECh. 12 - Prob. 131ECh. 12 - 132. A solution of 75.0 g of benzene (C6H6) and...Ch. 12 - Prob. 133ECh. 12 - Prob. 134ECh. 12 - Prob. 135ECh. 12 - Prob. 136ECh. 12 - 137. If each substance listed here costs the same...Ch. 12 - Prob. 138E
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