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Solid silicon dioxide, often called silica, reacts with

Chemistry: Matter & Change | 1st Edition | ISBN: 9780078746376 | Authors: McGraw-Hill Education ISBN: 9780078746376 131

Solution for problem 49 Chapter 11

Chemistry: Matter & Change | 1st Edition

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Chemistry: Matter & Change | 1st Edition | ISBN: 9780078746376 | Authors: McGraw-Hill Education

Chemistry: Matter & Change | 1st Edition

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Problem 49

Solid silicon dioxide, often called silica, reacts with hydrofluoric acid (HF) solution to produce the gas silicon tetrafluoride and water. a. Write the balanced chemical equation for the reaction. b. List three mole ratios, and explain how you would use them in stoichiometric calculations.

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Phase Changes States of Matter ● Solid­ locked into place by electrostatic forces ● Liquid­ strength of IMF determines properties ○ IMF= InterMolecular Forces ● Gas ○ Ideal­completely free until it collides w/ no lose in energy ○ Real­ dispersion forces influence other molecules ■ Close to one another at higher temp and low pressure Phase Changes ● Fusion = Solid to Liquid ● Vaporization= Liquid to Gas ● Crystallization= Liquid to Solid ● Condensation= Gas to Liquid ● Sublimation= Solid to Gas ● Deposition= Gas to Solid Types of Solids ● Amorphous­ arbitrary arrangement w/ weak IMF ● Crystalline­ defined shape, strong IMF ● Crystal Lattice­ arrangement of a Crystalline ● Unit Cell­ repetition of a

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Chapter 11, Problem 49 is Solved
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Textbook: Chemistry: Matter & Change
Edition: 1
Author: McGraw-Hill Education
ISBN: 9780078746376

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Solid silicon dioxide, often called silica, reacts with