Introductory Chemistry >IC<
8th Edition
ISBN: 9781305014534
Author: ZUMDAHL
Publisher: CENGAGE C
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Chapter 4, Problem 116CP
Interpretation Introduction
Interpretation:
The given table should be completed.
Concept Introduction:
The general atomic
A Z X
Where A is mass number of an atom, Z is
The number of protons of an atom is equal to the atomic number of an atom. For a neutral atom, the number of protons and neutrons are same whereas the mass number of an atom is total sum of number of protons and neutrons of an atom.
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b) Certain cyclic compounds are known to be conformationally similar to carbohydrates, although they are not
themselves carbohydrates. One example is Compound C shown below, which could be imagined as adopting
four possible conformations. In reality, however, only one of these is particularly stable. Circle the conformation
you expect to be the most stable, and provide an explanation to justify your choice. For your explanation to be
both convincing and correct, it must contain not only words, but also "cartoon" orbital drawings contrasting the
four structures.
Compound C
Possible conformations (circle one):
Дет
Lab Data
The distance entered is out of the expected range.
Check your calculations and conversion factors.
Verify your distance. Will the gas cloud be closer to the cotton ball with HCI or NH3?
Did you report your data to the correct number of significant figures?
- X
Experimental Set-up
HCI-NH3
NH3-HCI
Longer Tube
Time elapsed (min)
5 (exact)
5 (exact)
Distance between cotton balls (cm)
24.30
24.40
Distance to cloud (cm)
9.70
14.16
Distance traveled by HCI (cm)
9.70
9.80
Distance traveled by NH3 (cm)
14.60
14.50
Diffusion rate of HCI (cm/hr)
116
118
Diffusion rate of NH3 (cm/hr)
175.2
175.2
How to measure distance and calculate rate
For the titration of a divalent metal ion (M2+) with EDTA, the stoichiometry of the reaction is typically:
1:1 (one mole of EDTA per mole of metal ion)
2:1 (two moles of EDTA per mole of metal ion)
1:2 (one mole of EDTA per two moles of metal ion)
None of the above
Chapter 4 Solutions
Introductory Chemistry >IC<
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Ch. 4 - The average mass of a carbon atom is 12.011....Ch. 4 - Prob. 3ALQCh. 4 - Prob. 4ALQCh. 4 - The vitamin niacin (nicotinic acid,C6H5NO2 ) can...Ch. 4 - One of the best indications of a useful theory is...Ch. 4 - Prob. 7ALQCh. 4 - How does Dalton’s atomic theory account for the...Ch. 4 - Prob. 9ALQCh. 4 - These questions concern the work of J. J. 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