Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
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Chapter 17, Problem 1ST
Interpretation Introduction
Interpretation:
The oxidation number of
Concept introduction:
A species gains or loses electrons to form anions or cations respectively. A gain in electron is classified as a reduction reaction and loss of electron is classified as an oxidation reaction. To keep a track on the loss or gain of an electron, a number is assigned in the form of oxidation number.
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Dr. Mendel asked his BIOL 260 class what their height was and what their
parent's heights were. He plotted that data in the graph below to determine if
height was a heritable trait.
A. Is height a heritable trait? If yes, what is the heritability value? (2 pts)
B. If the phenotypic variation is 30, what is the variation due to additive alleles?
(2 pts)
Offspring Height (Inches)
75
67.5
60
52.5
y = 0.9264x + 4.8519
55
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65
MidParent Height (Inches)
70
75
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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
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
Ch. 17 - Prob. 1CECh. 17 - Prob. 2CECh. 17 - Prob. 3CECh. 17 - Prob. 4CECh. 17 - Prob. 5CECh. 17 - Prob. 6CECh. 17 - Prob. 7CECh. 17 - Prob. 8CECh. 17 - Prob. 9CECh. 17 - Prob. 10CE
Ch. 17 - Prob. 1KTCh. 17 - Prob. 2KTCh. 17 - Prob. 3KTCh. 17 - Prob. 4KTCh. 17 - Prob. 5KTCh. 17 - Prob. 6KTCh. 17 - Prob. 7KTCh. 17 - Prob. 8KTCh. 17 - Prob. 9KTCh. 17 - Prob. 10KTCh. 17 - Prob. 11KTCh. 17 - Prob. 12KTCh. 17 - Prob. 13KTCh. 17 - Prob. 14KTCh. 17 - Prob. 15KTCh. 17 - Prob. 16KTCh. 17 - Prob. 17KTCh. 17 - Prob. 18KTCh. 17 - Prob. 19KTCh. 17 - Prob. 1ECh. 17 - Prob. 2ECh. 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 - Prob. 17ECh. 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 - Prob. 31ECh. 17 - Prob. 32ECh. 17 - Prob. 33ECh. 17 - Prob. 34ECh. 17 - Prob. 35ECh. 17 - Prob. 36ECh. 17 - Prob. 37ECh. 17 - Prob. 38ECh. 17 - Prob. 39ECh. 17 - Prob. 40ECh. 17 - Prob. 41ECh. 17 - Prob. 42ECh. 17 - Prob. 43ECh. 17 - Prob. 44ECh. 17 - Prob. 45ECh. 17 - Prob. 46ECh. 17 - Prob. 47ECh. 17 - Prob. 48ECh. 17 - Prob. 49ECh. 17 - Prob. 50ECh. 17 - Prob. 51ECh. 17 - Prob. 52ECh. 17 - Prob. 1STCh. 17 - Prob. 2STCh. 17 - Prob. 3STCh. 17 - Prob. 4STCh. 17 - Prob. 5STCh. 17 - Prob. 6STCh. 17 - Prob. 7STCh. 17 - Prob. 8STCh. 17 - Prob. 9STCh. 17 - Prob. 10STCh. 17 - Prob. 11ST
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