FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
16th Edition
ISBN: 9781323406038
Author: McMurry
Publisher: PEARSON C
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Chapter 3.11, Problem 3.28KCP
Interpretation Introduction
Interpretation: The solution of
Concept Introduction:
Introduction of Acids and Bases:
Acid: A substance that donates the proton ions when dissolved in water.
Base: A substance that donates the hydroxide ions when dissolved in water.
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At a pH equal to the isoelectric point (pl) of alanine, the net charge of alanine is zero. Two structures can be drawn that have a
net charge of zero, but the predominant form of alanine at its pl is zwitterionic.
CH3
H,N
CH3
**
H¸N-C
H
Zwitterionic
H
Uncharged
OH
Select statements that explain why alanine is predominantly zwitterionic at its pl.
pk of alanine's amino group is more than its pl.
pk of alanine's carboxyl group is more than its pl.
PK of alanine's carboxyl group is less than its pl.
pk of alanine's amino group is less than its pl.
Correct Answer
What fraction of alanine is in the completely uncharged form at its pl?
1 in 2.2 × 107
1 in 1.6 × 10²
1 in 4680
1 in 9460
How does a voltage-gated sodium channel work? Specifically, how and why does a change in voltage trigger their opening? Please be detailed
When sodium ions enter a neuron during depolarization, they trigger the opening of additional voltage-gated sodium channels nearby, creating a positive feedback loop where the influx of sodium ions further depolarizes the membrane, causing even more sodium channels to open and allowing more sodium ions to enter the cell, thus sustaining the depolarization process until the action potential peaks. But how and why exactly does the influx of sodium ions trigger more sodium channels to let in more sodium? Please explain
Chapter 3 Solutions
FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
Ch. 3.1 - Magnesium atoms lose two electrons when they...Ch. 3.1 - Prob. 3.2PCh. 3.1 - Prob. 3.3KCPCh. 3.2 - Prob. 3.4PCh. 3.2 - Prob. 3.5PCh. 3.2 - Prob. 3.6KCPCh. 3.3 - Iron is an important component of hemoglobin, a...Ch. 3.3 - Prob. 3.8PCh. 3.3 - Blood serum in healthy adults normally contains...Ch. 3.4 - Prob. 3.10P
Ch. 3.4 - Which element in the following pairs is likely to...Ch. 3.4 - Prob. 3.12PCh. 3.5 - Prob. 3.1CIAPCh. 3.5 - Prob. 3.13PCh. 3.5 - Prob. 3.14PCh. 3.5 - Prob. 3.15PCh. 3.6 - Prob. 3.16PCh. 3.6 - Prob. 3.17PCh. 3.6 - Prob. 3.3CIAPCh. 3.6 - Prob. 3.4CIAPCh. 3.8 - Prob. 3.18PCh. 3.8 - Prob. 3.19PCh. 3.8 - Prob. 3.20PCh. 3.8 - Prob. 3.21KCPCh. 3.9 - Prob. 3.22PCh. 3.9 - Name the following compounds: (a)SnO2 (b)Ca(CN)2...Ch. 3.9 - Prob. 3.24PCh. 3.9 - Prob. 3.25KCPCh. 3.10 - Prob. 3.26PCh. 3.10 - Prob. 3.5CIAPCh. 3.11 - Prob. 3.27PCh. 3.11 - Prob. 3.28KCPCh. 3.11 - Prob. 3.7CIAPCh. 3 - Prob. 3.29UKCCh. 3 - Prob. 3.30UKCCh. 3 - Write the symbols for the ions represented in the...Ch. 3 - Prob. 3.32UKCCh. 3 - Prob. 3.33UKCCh. 3 - Prob. 3.34UKCCh. 3 - Prob. 3.35UKCCh. 3 - Prob. 3.36UKCCh. 3 - Prob. 3.37APCh. 3 - Prob. 3.38APCh. 3 - Prob. 3.39APCh. 3 - Prob. 3.40APCh. 3 - Prob. 3.41APCh. 3 - Identify the element X in the following ions and...Ch. 3 - Prob. 3.43APCh. 3 - Prob. 3.44APCh. 3 - Based on the following atomic numbers and...Ch. 3 - Prob. 3.46APCh. 3 - Prob. 3.47APCh. 3 - Prob. 3.48APCh. 3 - Prob. 3.49APCh. 3 - Prob. 3.50APCh. 3 - Prob. 3.51APCh. 3 - Prob. 3.52APCh. 3 - Prob. 3.53APCh. 3 - Prob. 3.54APCh. 3 - Prob. 3.55APCh. 3 - Prob. 3.56APCh. 3 - (a)Write equations for the loss of an electron by...Ch. 3 - Prob. 3.58APCh. 3 - Prob. 3.59APCh. 3 - Prob. 3.60APCh. 3 - Prob. 3.61APCh. 3 - Prob. 3.62APCh. 3 - Prob. 3.63APCh. 3 - Prob. 3.64APCh. 3 - Prob. 3.65APCh. 3 - Prob. 3.66APCh. 3 - Prob. 3.67APCh. 3 - Prob. 3.68APCh. 3 - Prob. 3.69APCh. 3 - Prob. 3.70APCh. 3 - Prob. 3.71APCh. 3 - Prob. 3.72APCh. 3 - Prob. 3.73APCh. 3 - Prob. 3.74APCh. 3 - Prob. 3.75APCh. 3 - Prob. 3.76APCh. 3 - Give the formula and the name of the anions for...Ch. 3 - Explain why the hydride ion, H, has a noble gas...Ch. 3 - The H ion (Problem 3.78) is stable but the Li ion...Ch. 3 - Prob. 3.80CPCh. 3 - Prob. 3.81CPCh. 3 - The names given for the following compounds are...Ch. 3 - The formulas given for the following compounds are...Ch. 3 - Prob. 3.84CPCh. 3 - Element X reacts with element Y to give a product...Ch. 3 - Prob. 3.86CPCh. 3 - The term alum" refers to a group of ionic...Ch. 3 - Prob. 3.88GPCh. 3 - Prob. 3.89GPCh. 3 - Prob. 3.90GP
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