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Use tabulated values of standard enthalpies of formation

Modern Chemistry: Student Edition 2006 | 1st Edition | ISBN: 9780030391071 | Authors: R. Thomas Myers, Keith B. Oldham, Salvatore Tocci ISBN: 9780030391071 212

Solution for problem 10.1.80 Chapter 10

Modern Chemistry: Student Edition 2006 | 1st Edition

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Modern Chemistry: Student Edition 2006 | 1st Edition | ISBN: 9780030391071 | Authors: R. Thomas Myers, Keith B. Oldham, Salvatore Tocci

Modern Chemistry: Student Edition 2006 | 1st Edition

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Problem 10.1.80

Use tabulated values of standard enthalpies of formation to calculate the enthalpy change accompanying the reaction 4Al(s) + 6H2O(l) 2Al2O3(s) + 6H2(g). Is the reaction exothermic?

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Ch. 6 “Energy Relationships in Chemical Reactions” o Energy – capacity to do work Work – pushing or pulling something around (force x distance) o Radiant energy – comes from sun and is earth’s primary energy source o Thermal – random motion of atoms and molecules o Chemical – stored within the bonds of chemical substances o Nuclear – stored within the collection of neutrons and protons in the atom o Potential – available by virtue of an object’s position o Heat – the transfer of thermal energy between two bodies that are at different temperatures; flows from hot to cold o Temperature – measure of thermal energy; heat goes form hot (high T) to cold (low T); is not heat but they are related o Thermochemistry – s

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Chapter 10, Problem 10.1.80 is Solved
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Textbook: Modern Chemistry: Student Edition 2006
Edition: 1
Author: R. Thomas Myers, Keith B. Oldham, Salvatore Tocci
ISBN: 9780030391071

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Use tabulated values of standard enthalpies of formation