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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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How many pi bonds are formed when sp hybridization occurs in ethene, CH? a. 0 c. 2 b. 1 d. 3
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Which of the following covalent bonds is the most polar? a. H—F c. H—H b. H—C d. H—N
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