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Answer: Hydrogen peroxide is used as a cleaning agent in

Chemistry | 7th Edition | ISBN: 9780618528448 | Authors: Steven S. Zumdahl ISBN: 9780618528448 174

Solution for problem 35 Chapter 20

Chemistry | 7th Edition

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Chemistry | 7th Edition | ISBN: 9780618528448 | Authors: Steven S. Zumdahl

Chemistry | 7th Edition

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Problem 35

Hydrogen peroxide is used as a cleaning agent in the treatment of cuts and abrasions for several reasons. It is an oxidizing agent that can directly kill many microorganisms; it decomposes upon contact with blood, releasing elemental oxygen gas (which inhibits the growth of anaerobic microorganisms); and it foams upon contact with blood, which provides a cleansing action. In the laboratory, small quantities of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as barium peroxide: What mass of hydrogen peroxide should result when 1.50 g of barium peroxide is treated with 25.0 mL of hydrochloric acid solution containing 0.0272 g of HCl per mL? What mass of which reagent is left unreacted?

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Substances in order from most to least dense:  He  Pentanol  Glycerol (more dense because it has more hydrogen bonding than pentanol)  Ag Intermolecular vs. Intermolecular forces  Intra: Attractions within a molecule between atoms  Inter: Attractions between molecules, not nearly as strong as intramolecular forces (which hold compounds together) Types of Intermolecular Forces  London Dispersion Forces o Between every molecule, temporary dipoles form between polar and non- polar molecules o Tendency of an electron cloud to distort in this way is called polarizability o Shape of the molecule affects the strength of dispersion forces. Long linear molecules tend to have stronger dispe

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Chapter 20, Problem 35 is Solved
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Textbook: Chemistry
Edition: 7
Author: Steven S. Zumdahl
ISBN: 9780618528448

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Answer: Hydrogen peroxide is used as a cleaning agent in