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Scenes AD represent atomic-scale views of different samples of substances: (a) Under one
Chapter 1, Problem 1.1(choose chapter or problem)
Scenes A–D represent atomic-scale views of different samples of substances:
(a) Under one set of conditions, the substances in A and B mix and the result is depicted in C. Does this represent a chemical or a physical change?
(b) Under a second set of conditions, the same substances mix and the result is depicted in D. Does this represent a chemical or a physical change?
(c) Under a third set of conditions, the sample depicted in C changes to that in D. Does this represent a chemical or a physical change?
(d) When the change in part (c) occurs, does the sample have different chemical properties? Physical properties?
Questions & Answers
QUESTION:
Scenes A–D represent atomic-scale views of different samples of substances:
(a) Under one set of conditions, the substances in A and B mix and the result is depicted in C. Does this represent a chemical or a physical change?
(b) Under a second set of conditions, the same substances mix and the result is depicted in D. Does this represent a chemical or a physical change?
(c) Under a third set of conditions, the sample depicted in C changes to that in D. Does this represent a chemical or a physical change?
(d) When the change in part (c) occurs, does the sample have different chemical properties? Physical properties?
ANSWER:Step 1 of 3
It is given that A and B mix, resulting in C. The same substances mix, resulting in D. The sample in C changes to that in D.