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Solved: Units and Measurement (Section)(a) After the label

Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780321910417 77

Solution for problem 32E Chapter 1

Chemistry: The Central Science | 13th Edition

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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 13th Edition

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Problem 32E

Units and Measurement (Section)

(a) After the label fell off a bottle containing a clear liquid believed to be benzene, a chemist measured the density of the liquid to verify its identity. A 25.0-mL portion of the liquid had a mass of 21.95 g. A chemistry handbook lists the density of benzene at 15 °C as 0.8787 g/mL. Is the calculated density in agreement with the tabulated value? (b) An experiment requires 15.0 g of cyclohexane, whose density at 25 °C is 0.7781 g/mL. What volume of cyclohexane should be used? (c) A spherical ball of lead has a diameter of 5.0 cm. What is the mass of the sphere if lead has a density of 11.34 g/cm3? (The volume of a sphere is  , where r is the radius.)

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Chapter Seven 7.1) ● Paramagnetic = unpaired electrons ● Liquid oxygen is magnetic (diatomic) ● Lewis structure fails to predict magnetic character 7.2) ● Valence bond theory→ chemical bond is overlap between two half-filled atomic orbitals (AO’s) ● Hybridized atomic orbitals→ s,p,d,f orbitals ● Interaction energy is calculated as a function of internuclear distance. ● The interaction energy is usually negative (stabilizing) when the interacting atomic orbitals contain a total of two electrons that can spin-pair (orient with opposing spins) ● The geometry of overlapping orbitals determines shape 7.3) ● Orbitals in a molecule aren’t the same as orbitals in an atom. ● Hybridization → standard atomic orbitals combined to form hybrid

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Chapter 1, Problem 32E is Solved
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Textbook: Chemistry: The Central Science
Edition: 13
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780321910417

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Solved: Units and Measurement (Section)(a) After the label