Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
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Chapter 14, Problem 8Q
Interpretation Introduction
Interpretation:
Five possible indicators of a staged crime scene have to be given.
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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
Please help me solve this reaction.
Chapter 14 Solutions
Chemistry In Context
Ch. 14 - Prob. 14.1YTCh. 14 - Prob. 14.2YTCh. 14 - Prob. 14.3YTCh. 14 - Prob. 14.4YTCh. 14 - Prob. 14.5YTCh. 14 - Prob. 14.6YTCh. 14 - Prob. 14.7YTCh. 14 - a. Write balanced equations for the combustion of...Ch. 14 - Prob. 14.9YTCh. 14 - Prob. 14.10YT
Ch. 14 - Prob. 14.11YTCh. 14 - Prob. 14.12YTCh. 14 - Prob. 14.13YTCh. 14 - Prob. 14.14YTCh. 14 - Prob. 14.15YTCh. 14 - Prob. 14.16YTCh. 14 - Prob. 14.17YTCh. 14 - Scientific Practices Solar Charging Station Using...Ch. 14 - Prob. 14.19YTCh. 14 - Prob. 14.20YTCh. 14 - Prob. 1QCh. 14 - Prob. 2QCh. 14 - Prob. 3QCh. 14 - Prob. 4QCh. 14 - Prob. 5QCh. 14 - Prob. 8QCh. 14 - Prob. 10QCh. 14 - In surveying a crime scene, how do forensic...Ch. 14 - Prob. 12QCh. 14 - Prob. 13QCh. 14 - Prob. 14QCh. 14 - Prob. 15QCh. 14 - Prob. 16QCh. 14 - Prob. 17QCh. 14 - Prob. 18QCh. 14 - Could you discriminate between the three compounds...Ch. 14 - Prob. 20QCh. 14 - A handgun is found at a crime scene, but the...Ch. 14 - Prob. 23QCh. 14 - The smallest resolution that a microscope can...Ch. 14 - Prob. 25QCh. 14 - A forensic scientist sprayed a Luminol solution on...Ch. 14 - Prob. 28QCh. 14 - Prob. 29QCh. 14 - Prob. 30Q
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