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Living by Chemistry

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

Section: Chapter Questions

Problem 15STP

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Lab report conclusion of melting point of an organic compound

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Suppose three molecules are in a sample: A,B and C. In what order would the compounds elute first? Molecule A is non polar, C is polar that also has hydrogen bonding intermolecular forces, B is polar without any hydrogen boding sites. Experiment procedure is the separation of molecules using chromatography.
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Select all of the intermolecular forces that are present in propanol. (alcohols have -OH on one end of the compound) 1. Hydrogen Bonding 2. Dipole-Dipole Forces 3. London Dispersion Forces
Question 2
1. Draw for the following compounds line-angle formulas and arrange in the order of increasing boiling points. Use intermolecular forces to figure out lower and higher boiling point relative one another. Please do not use actual boiling point numbers *) (Hint: Lecture slides 22 and 23 will be helpful) a) Hexane b) 2,2-dimethylpropane c)1-pentanol d) 2,3-dimethylbutane e) 2-methyl-2-butanol
Please correct answer and don't used hand raiting
what is a hydrogen bond? a,b,c or d a)a bond between two hydrogen atoms b)a strong bond between hydrogen and some other part of a covalent compound. c)a weak to moderate strength bond between the hydrogen end of a polar molecule and the negative end of a second polar molecule. d)a very strong bond between hydrogen and carbon.
Chemistry
Correct name or Structural formulas (expanded, condensed and line) & Properties (reactivity, molecular geometry, bond angle, polarity, solubility and IMF) List of Structures: Write the correct name and the properties of ONE organic molecule describe how you determine the name and the properties of your molecule.
Compare your drawings for propane and heptane Which compound has stronger dispersion forces? Explain your answer Which compound has a higher boiling point? Explain your answer
Write TRUE if the statement is accurate and FALSE if the statement is flawed._________ 1. There are negligible, attractive, or repulsive forces between molecules._________ 2. The average kinetic energy of a molecule is constantChoose the letter of the correct answer.3. Jane can still pump air in the party balloon even though it is already inflated. What explain thisphenomenon?a. Balloons look better if its size is bigger.c. the air inside the balloon is hot.b. Balloons are made up of plastic. d. air molecules can be compressed
Question 68 Chapters 7&8 Review Identify the molecule that contains a double bond. O HCN O N2 C2H2 O S2

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