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A chemist decomposes several samples of carbon monoxide

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

Solution for problem 35E 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 35E

A chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the resultant elements. The results are shown in the table.

a.        Do you notice a pattern in these results? Next, the chemist decomposes several samples of hydrogen peroxide into hydrogen and oxygen. The results are shown in the table:

b.        Do you notice a similarity between these results and those for carbon monoxide in part a?

c.        Can you formulate a law from the observations in a and b?

d.        Can you formulate a hypothesis that might explain your law in c?

Step-by-Step Solution:
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Solution 35E: There are two types of number in scientific work. (i) exact - exactly the values are known when it is measured. The values which are obtained from any measurement is completely certain value (ii) Inexact number- uncertainty in the numbers. The measured values are uncertain. (a) the mass of a 3 by 5-inch index card It is an inexact number. The mass of a 3 by 5 inch index card is measured with different scale. So there will be always have a possibility to find an instrumental error. ((b) the number of ounces in a pound, It always an exact number. This is because 1 pound = 16 ounce. It is always be the same and the value is certain. (c) the volume of a cup of Seattle's Best coffee This is an inexact number. This is because,...

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Chapter 1, Problem 35E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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A chemist decomposes several samples of carbon monoxide

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