Principles of Chemistry: A Molecular Approach (3rd Edition)
3rd Edition
ISBN: 9780321971944
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 2E
Which processes are nonspontaneous? Are the nonspontaneous processes impossible?
a. a bike going up a hill
b. a meteor falling to Earth
c. obtaining hydrogen gas from liquid water
d. a ball rolling down a hill
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Experiment:
Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below.
Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization.
Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C
Sample C-Cool the third sample in an ice-bath to 0-2 °C
Results:
weight after recrystalization and melting point temp.
A=0.624g,102-115°
B=0.765g, 80-105°
C=1.135g, 77-108
What is the percent yield of A,B, and C.
Chapter 17 Solutions
Principles of Chemistry: A Molecular Approach (3rd Edition)
Ch. 17 - Prob. 17.1PCh. 17 - Prob. 17.2PCh. 17 - Prob. 17.2MPCh. 17 - Prob. 17.3PCh. 17 - Prob. 17.4PCh. 17 - Prob. 17.5PCh. 17 - For Practice 17.6 For the reaction in For Practice...Ch. 17 - Prob. 17.7PCh. 17 - Prob. 17.7MPCh. 17 - Prob. 17.8P
Ch. 17 - Prob. 17.9PCh. 17 - Prob. 17.10PCh. 17 - Prob. 1SAQCh. 17 - Prob. 2SAQCh. 17 - Prob. 3SAQCh. 17 - Prob. 4SAQCh. 17 - Prob. 5SAQCh. 17 - Prob. 6SAQCh. 17 - Prob. 7SAQCh. 17 - Prob. 8SAQCh. 17 - Prob. 9SAQCh. 17 - Prob. 10SAQCh. 17 - Prob. 11SAQCh. 17 - Q12. Which distribution of six particles into...Ch. 17 - Prob. 13SAQCh. 17 - Prob. 14SAQCh. 17 - Prob. 15SAQCh. 17 - Prob. 1ECh. 17 - Which processes are nonspontaneous? Are the...Ch. 17 - Prob. 3ECh. 17 - Prob. 4ECh. 17 - Prob. 5ECh. 17 - Prob. 6ECh. 17 - Prob. 7ECh. 17 - Prob. 8ECh. 17 - Prob. 9ECh. 17 - Prob. 10ECh. 17 - Prob. 11ECh. 17 - Prob. 12ECh. 17 - Prob. 13ECh. 17 - Prob. 14ECh. 17 - Prob. 15ECh. 17 - Prob. 16ECh. 17 - Fill in the blanks in the table. Both H and S...Ch. 17 - Prob. 18ECh. 17 - Prob. 19ECh. 17 - Prob. 20ECh. 17 - Prob. 21ECh. 17 - Prob. 22ECh. 17 - Prob. 23ECh. 17 - Prob. 24ECh. 17 - Prob. 25ECh. 17 - Prob. 26ECh. 17 - Prob. 27ECh. 17 - Prob. 28ECh. 17 - Prob. 29ECh. 17 - Prob. 30ECh. 17 - 31. For each reaction, calculate ,and at 25 °C and...Ch. 17 - Prob. 32ECh. 17 - Prob. 33ECh. 17 - Use standard free energies of formation to...Ch. 17 - Consider the reaction. 2NOg+O2g2NO2g Estimate G...Ch. 17 - Prob. 36ECh. 17 - Prob. 37ECh. 17 - Prob. 38ECh. 17 - Prob. 39ECh. 17 - Consider the evaporation of methanol at 25.0 °C...Ch. 17 - Consider the reaction. CH3OHgCOg+2H2g Calculate G...Ch. 17 - Consider the reaction. CO2g+CCl4g2COCl2g Calculate...Ch. 17 - Prob. 43ECh. 17 - Prob. 44ECh. 17 - Prob. 45ECh. 17 - Prob. 46ECh. 17 - Prob. 47ECh. 17 - 48. Estamate the value of the equilibrium constant...Ch. 17 - 49. Predict the sign of in each process.
a. water...Ch. 17 - Prob. 50ECh. 17 - Prob. 51ECh. 17 - Prob. 52ECh. 17 - Prob. 53ECh. 17 - Prob. 54ECh. 17 - Prob. 55ECh. 17 - 56. Consider this reaction occurring at 298...Ch. 17 - Prob. 57ECh. 17 - The standard tree energy charge for the hydrolysis...Ch. 17 - Prob. 59ECh. 17 - Prob. 60ECh. 17 - Prob. 61ECh. 17 - Prob. 62ECh. 17 - The hydrolys s of ATP, shown in Problem 57, is...Ch. 17 - Prob. 64ECh. 17 - Prob. 65ECh. 17 - Prob. 66ECh. 17 - Prob. 67ECh. 17 - Prob. 68ECh. 17 - Prob. 69ECh. 17 - Prob. 70ECh. 17 - Prob. 71ECh. 17 - Prob. 72ECh. 17 - Prob. 73ECh. 17 - Prob. 74ECh. 17 - Prob. 75ECh. 17 - Prob. 76ECh. 17 - Prob. 77E
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