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What is the potential of a cell made up of Zn/Zn21 and

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 18.31 Chapter 18

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 18.31

What is the potential of a cell made up of Zn/Zn21 and Cu/Cu21 half-cells at 25C if [Zn21] 5 0.25 M and [Cu21] 5 0.15 M?

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Step 1 of 3

Introduction to Biology Notes: Chapter 7­ Membrane Structure and Function  Plasma Membrane: boundary that separates the living cell from its surroundings - It is selective permeable  Selective Permeable: allows some substances to cross it more easily than others  Cellular Membranes: fluid mosaics of lipids and proteins  Amphipathic: contains hydrophobic and hydrophilic regions  Fluid Mosaic Model: states that a membrane is a fluid structure with a “mosaic” of various proteins embedded in it Factors that Affect Membrane Fluidity - Temperature - Cholesterol Membrane Protein: - Peripheral Proteins: bound to the surface of the membrane - Integral Proteins: penetrate the hydrophobic core  Transmembrane Proteins: integral proteins that span the membrane 6 Major Functions of Membrane Proteins: a. Transport b. Enzymatic activity c. Signal transduction d. Cell­cell recognition e. Intercellular joining f. Attachment to the cytoskeleton and extracellular matrix Role of Membrane Carbohydrates - Cell recognition  Aquaporins: facilitate the passage of water Transport Across Plasma Membrane - Passive transport o Diffusion o Osmosis o Facilitated diffusion - Active transport o Cotransport - Bulk transport o Exocytosis o Endocytosis  Passive Transport: substances diffuse down their concentration gradient with no energy investment  Dynamic Equilibrium: many molecules cross the membrane

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Chapter 18, Problem 18.31 is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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What is the potential of a cell made up of Zn/Zn21 and