Chemistry for Changing Times
14th Edition
ISBN: 9780134212777
Author: John W. Hill; Terry W. McCreary
Publisher: Pearson Education (US)
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Chapter 11, Problem 4CHQ
Interpretation Introduction
Interpretation: We are asked to determine the number of half lives one piece of candy would last for.
Concept introduction: Radioactive decay is the process of conversion of the nuclei of unstable elements into stable ones by the emission of some form of the nucleons or radiations. Half life is the time required for half of a known quantity of the radioactive element to decay.
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Q4: Draw the mirror image of the following molecules. Are the molecules chiral?
C/
F
LL
CI CH3 CI
CH3
0
CI
CH3
CI
CH3
CH3
Complete combustion of a 0.6250 g sample of the unknown crystal with excess O2 produced 1.8546 g of CO2 and 0.5243 g of H2O. A separate analysis of a 0.8500 g sample of the blue crystal was found to produce 0.0465 g NH3. The molar mass of the substance was found to be about 310 g/mol. What is the molecular formula of the unknown crystal?
4. C6H100
5
I peak
3
2
PPM
Integration values: 1.79ppm (2), 4.43ppm (1.33)
Ipeak
Chapter 11 Solutions
Chemistry for Changing Times
Ch. 11 - Prob. 1RQCh. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Prob. 10RQ
Ch. 11 - Prob. 11RQCh. 11 - Prob. 12RQCh. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Prob. 15RQCh. 11 - Prob. 16RQCh. 11 - Prob. 17RQCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - Prob. 37PCh. 11 - Prob. 38PCh. 11 - Prob. 39PCh. 11 - Prob. 40PCh. 11 - Prob. 41PCh. 11 - Prob. 42PCh. 11 - Prob. 43PCh. 11 - Prob. 44PCh. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - Prob. 47PCh. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 50PCh. 11 - Prob. 51PCh. 11 - Prob. 52PCh. 11 - Prob. 53PCh. 11 - Prob. 54PCh. 11 - Prob. 55PCh. 11 - Prob. 56PCh. 11 - Prob. 57PCh. 11 - Prob. 58APCh. 11 - Prob. 59APCh. 11 - Prob. 60APCh. 11 - Prob. 61APCh. 11 - Prob. 62APCh. 11 - Prob. 63APCh. 11 - Prob. 64APCh. 11 - Prob. 65APCh. 11 - Prob. 66APCh. 11 - Prob. 67APCh. 11 - Prob. 68APCh. 11 - Prob. 69APCh. 11 - Prob. 70APCh. 11 - Prob. 71APCh. 11 - Prob. 72APCh. 11 - Prob. 73APCh. 11 - Prob. 74APCh. 11 - Prob. 75APCh. 11 - Prob. 76APCh. 11 - Prob. 77APCh. 11 - Prob. 78APCh. 11 - Prob. 11.1CTECh. 11 - Prob. 11.2CTECh. 11 - Prob. 11.3CTECh. 11 - Prob. 11.4CTECh. 11 - Prob. 11.5CTECh. 11 - Prob. 11.6CTECh. 11 - Prob. 1CGPCh. 11 - Prob. 2CGPCh. 11 - Prob. 3CGPCh. 11 - Prob. 4CGPCh. 11 - Prob. 5CGPCh. 11 - Prob. 6CGPCh. 11 - Prob. 7CGPCh. 11 - Prob. 8CGPCh. 11 - Prob. 1CHQCh. 11 - Prob. 2CHQCh. 11 - Prob. 3CHQCh. 11 - Prob. 4CHQ
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- Nonearrow_forward3. Consider the compounds below and determine if they are aromatic, antiaromatic, or non-aromatic. In case of aromatic or anti-aromatic, please indicate number of I electrons in the respective systems. (Hint: 1. Not all lone pair electrons were explicitly drawn and you should be able to tell that the bonding electrons and lone pair electrons should reside in which hybridized atomic orbital 2. You should consider ring strain- flexibility and steric repulsion that facilitates adoption of aromaticity or avoidance of anti- aromaticity) H H N N: NH2 N Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic TT electrons Me H Me Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic πT electrons H HH…arrow_forwardA chemistry graduate student is studying the rate of this reaction: 2 HI (g) →H2(g) +12(g) She fills a reaction vessel with HI and measures its concentration as the reaction proceeds: time (minutes) [IH] 0 0.800M 1.0 0.301 M 2.0 0.185 M 3.0 0.134M 4.0 0.105 M Use this data to answer the following questions. Write the rate law for this reaction. rate = 0 Calculate the value of the rate constant k. k = Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.arrow_forward
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