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The Chemistry in Focus segment Critical Units! discusses the importance of unit

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 156 Chapter 2

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 156

The Chemistry in Focus segment Critical Units! discusses the importance of unit conversions. Read the segment and make the proper unit conversions to answer the following questions. a. The Mars Climate Orbiter burned up because it dipped lower in the Mars atmosphere than planned. How many miles lower than planned did it dip? b. A Canadian jetliner almost ran out of fuel because someone pumped less fuel into the aircraft than was thought. How many more pounds of fuel should have been pumped into the aircraft?

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Chapter 19­Thermodynamics ­Defined as the study of energy and changes in the flow of energy ­Answers the question will the reaction absorb or release heat, will the reaction occur, will it occur spontaneously at a certain temperature ­Tells nothing about the time of the reaction ­Balanced ­> an increase in randomness, enthalpy change known as delta H ( heat exchange between system and surroundings). 3 Laws 1. You cannot win­ you cannot create or destroy energy 2. You cannot break even­ delta S (entropy or the degree of randomness) always greater than 0 3. You cannot get out of the game­ delta s=0, you cannot get to absolute 0, and even then particles will not have no entropy First Law ­ defined as energy cannot be

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Chapter 2, Problem 156 is Solved
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Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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The Chemistry in Focus segment Critical Units! discusses the importance of unit