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When multiplying or dividing measured quantities, what

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

Solution for problem 27E Chapter 1

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 27E

When multiplying or dividing measured quantities, what determines the number of significant figures in the result?

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Solution 27 E: The temperature scale can be kelvin (K), centigrade ( C) and Fahrenheit ( F). o K= C + 273.13 , C= 5/9( F-32) or F=9/5( C)+32 o (a) 72 °F to °C Conversion of temperature from °F to °C We know, oC= 5/9( F-32) =5/9(72-32) = 5/9 x 40 =22.22 C o Thus the temperature in Celsius is 22.22 C (b) 216.7 °C to °F, Conversion of temperature from °C to °F We know, o C= 5/9( F-32) or F=9/5( C)+32 = 9/5(216.7)+32 = (390.06+32) °F = 422.06 °F Thus the temperature in Fahrenheit ( F). is 422.06 °F c) 233 °C to K Conversion of temperature from °C to K We know K= C + 273.13 = (233 +273.13) K = 506.13 K Thus the temperature in Kelvin is 506 K (d) 315 K to °F, Here two unit conversion is required Conversion K to °C We know K= C + 273.13 o C = K-273.13 = 315-273.13 = 41.85 Co o Conversion of 39.87 C to °F oC= 5/9( F-32) o o or F=9/5( C)+32 = 9 x 41.85 +32 5 = 75.33 +32 o = 107.33 F o o Thus the temperature in Fahrenheit ( F). is 107.33 F (e) 2500 °F to K Here two unit conversion is required Conversion °F to K We know Conversion of 2500 C to °F o o o C= 5/9( F-32) =5/9(2500-32) = 5/9(2468) = 1371.1 C o o Conversion of C to K o K= C + 273.13 = 1371.1+273.13 = 1644.2 K Thus the temperature in Kelvin (K). is 1644.2 K (f) 0 K to °F. Here two unit conversion is required Conversion K to °C We know o K= C + 273.13 C = K-273.13 = 0-273.13 o = -273.13 C Conversion of -273.13 C to °F o oC= 5/9( F-32) or F=9/5( C)+32 = 9/5 (-273.13)+32 = -491.63 +32 = -459.63 F o o Thus the temperature in Fahrenheit ( F). is -459.63 F

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Chapter 1, Problem 27E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This full solution covers the following key subjects: conversions, make. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. Since the solution to 27E from 1 chapter was answered, more than 406 students have viewed the full step-by-step answer. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The answer to “?When multiplying or dividing measured quantities, what determines the number of significant figures in the result?” is broken down into a number of easy to follow steps, and 16 words. The full step-by-step solution to problem: 27E from chapter: 1 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM.

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