Empirical Formulas(68)

Empirical Formulas(68) - Chapter 9 Empirical Formulas...

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Timberlake LecturePLUS1 Chapter 9 Empirical Formulas
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Timberlake LecturePLUS2 Types of Formulas The formulas for compounds can be expressed as an empirical formula and as a molecular(true) formula. Empirical Molecular (true) Name CH C 2 H 2 acetylene CH C 6 H 6 benzene CO 2 CO 2 carbon dioxide CH 2 O C 5 H 10 O 5 ribose
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Timberlake LecturePLUS3 Empirical Formulas Write your own one-sentence definition for each of the following: Empirical formula Molecular formula
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Timberlake LecturePLUS4 An empirical formula represents the simplest whole number ratio of the atoms in a compound. The molecular formula is the true or actual ratio of the atoms in a compound.
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Timberlake LecturePLUS5 Learning Check EF-1 A. What is the empirical formula for C 4 H 8 ? 1) C 2 H 4 2) CH 2 3) CH B. What is the empirical formula for C 8 H 14 ? 1) C 4 H 7 2) C 6 H 12 3) C 8 H 14 C. What is a molecular formula for CH 2 O? 1) CH 2 O 2) C 2 H 4 O 2 3) C 3 H 6 O 3
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Timberlake LecturePLUS6 Solution EF-1 A. What is the empirical formula for C 4 H 8 ? 2) CH 2 B. What is the empirical formula for C 8 H 14 ? 1) C 4 H 7 C. What is a molecular formula for CH 2 O? 1) CH 2 O 2) C 2 H 4 O 2 3) C 3 H 6 O 3
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Learning Check EF-2 If the molecular formula has 4 atoms of N, what is the molecular formula if SN is the empirical formula? Explain. 1)
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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Empirical Formulas(68) - Chapter 9 Empirical Formulas...

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