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What is the empirical formula of a substance that is 53.5% C, 15.5% H, and 31.1% N by weight? a. CHN c. CH7N b. CHN d. CHN
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Expert answered|zyrilcallyxkyle|Points 15|
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Asked 5/17/2013 11:03:05 AM
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A molecule with a single covalent bond is ____. a. CO c. CO b. Cl d. N
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Updated 2/3/2015 8:27:48 PM
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A molecule with a single covalent bond is: Cl2.



Added 2/3/2015 8:27:48 PM
This answer has been added to the Weegy Knowledgebase
Which of the following covalent bonds is the most polar? a. H—F c. H—H b. H—C d. H—N
Weegy: 1. Which bond is most polar? a. H-H |2.20 - 2.20| = 0.00 b. H-C |2.20 - 2.55| = 0.35 c. H-N |2.20 - 3.04| = 0.84 d. H-F |2.20 - 3.98| = 1.78 THE MOST POLAR e. [ H-Cl |2.20 - 3.16| = 0.96 Explanation: Polarity is based on differences in electronegativity. The numbers above are the electronegativity values assigned from Sargent-Welch's periodic table; the values may vary slightly from periodic table to periodic table. The greater the difference in electronegativity the greater the polarity. Even without these numbers in hand your professor/instructor should have gone over periodic trends: Electronegativity increases as you go up and to the right on the periodic table. Since all of the compounds are Hydrogen compounds the one with Fluorine (all the way up and to the right) would be a pretty safe guess. ] (More)
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Asked 5/17/2013 8:06:35 AM
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molecular orbital that can be occupied by two electrons of a covalent bond
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Updated 2/3/2015 9:18:28 PM
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Molecular orbital that can be occupied by two electrons of a covalent bond is called Bonding orbital.

Added 2/3/2015 9:18:28 PM
This answer has been added to the Weegy Knowledgebase
shapes adjust so valence-electron pairs are as far apart as possible
Weegy: This is true. Valence electrons on on the outer most shell of an atom. (More)
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Asked 5/17/2013 7:44:37 AM
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