Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 5, Problem 95IL
Insoluble AgCl(s) precipitates when solutions of AgNO3(aq) and NaCl(aq) are mixed.
AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) ΔrH° = ?
To measure the energy evolved in this reaction, 250. mL of 0.16 M AgNO3(aq) and 125 mL of 0.32 M NaCl(aq) are mixed in a coffee-cup calorimeter. The temperature of the mixture rises from 21.15 °C to 22.90 °C. Calculate the enthalpy change for the precipitation of AgCl(s), in kJ/mol. (Assume the density of the solution is 1.0 g/mL and its specific heat capacity is 4.2 J/g · K.)
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Chapter 5 Solutions
Chemistry & Chemical Reactivity
Ch. 5.2 - You did an experiment in which you found that 59.8...Ch. 5.2 - A 15.5-g piece of chromium, heated to 100.0 C, is...Ch. 5.3 - Calculate the amount of energy necessary to raise...Ch. 5.3 - To make a glass of iced tea, you pour 250 mL of...Ch. 5.4 - Nitrogen gas (2.75 L) is confined in a cylinder...Ch. 5.5 - The combustion of ethane, C2H6, has an enthalpy...Ch. 5.6 - Assume 200. mL of 0.400 M HCl is mixed with 200....Ch. 5.6 - A 1.00-g sample of ordinary table sugar (sucrose,...Ch. 5.7 - Use Hesss law to calculate the enthalpy change for...Ch. 5.7 - Calculate the standard enthalpy of combustion for...
Ch. 5.8 - The standard enthalpies of formation of KNO3(s)...Ch. 5.8 - Prob. 1.2ACPCh. 5.8 - The decomposition of nitroglycerin (C3H5N3O9)...Ch. 5.8 - Prob. 2.1ACPCh. 5.8 - Prob. 2.2ACPCh. 5.8 - Prob. 2.3ACPCh. 5.8 - Prob. 2.4ACPCh. 5.8 - Prob. 2.5ACPCh. 5 - Define the terms system and surroundings. 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