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Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please see attached:

Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please see attached:

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hi,

I am doing a practice test and need to check my answers. All of this is for Chem 101

 

Please see attached: 

Question 7 Which of these sets of masses for nitrogen dioxide is not consistent with the others according to the Law of Constant Composition? Grams of nitrogen Grams of oxygen I. 14 g 32 g IL 28 g 64 g IIL 42 g 96 g IV. 84 g 112 g V. 126 g 288 g II II IV Question 8 A chocolate chip cookie is an example of a(n) element compound o homogeneous mixture O heterogeneous mixture o alpha particle Question 9 Which of the following is an example of a chemical change? Glass breaking Water freezing D Wood burnin O Alcohol vaporizing o Ice melting Question 10 Which of these is true of matter? o It is the pull of gravity on an object. It combines to form atoms. Ii is neither created nor destroyed during a chemical reaction. It is directly proportional to weight. o It is the mecasure of space occupied by an object.
Transcribed Image Text:Question 7 Which of these sets of masses for nitrogen dioxide is not consistent with the others according to the Law of Constant Composition? Grams of nitrogen Grams of oxygen I. 14 g 32 g IL 28 g 64 g IIL 42 g 96 g IV. 84 g 112 g V. 126 g 288 g II II IV Question 8 A chocolate chip cookie is an example of a(n) element compound o homogeneous mixture O heterogeneous mixture o alpha particle Question 9 Which of the following is an example of a chemical change? Glass breaking Water freezing D Wood burnin O Alcohol vaporizing o Ice melting Question 10 Which of these is true of matter? o It is the pull of gravity on an object. It combines to form atoms. Ii is neither created nor destroyed during a chemical reaction. It is directly proportional to weight. o It is the mecasure of space occupied by an object.
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