Which of the following is an example of a chemical change? X Selected Answer: Answers: alcohol boiling alcohol boiling iodine sublimating sucrose dissolving sodium chloride melting silver tarnishing
Which of the following is an example of a chemical change? X Selected Answer: Answers: alcohol boiling alcohol boiling iodine sublimating sucrose dissolving sodium chloride melting silver tarnishing
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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With explanation of why the chosen answer is wrong and why the new one is correct! Thank you.
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Which of the following is an example of a chemical change?
Selected Answer:
Answers:
alcohol boiling
alcohol boiling
iodine sublimating
sucrose dissolving
sodium chloride melting
silver tarnishing
Expert Solution
Step 1: Physical change and chemical change:
Physical changes: These are the changes that does not affect the chemical composition.
These are reversible.
Examples: melting, boiling, sublimation, dissolution of substance.
Chemical changes: Those process which result in the change in the chemical properties of the given substance.
These are irreversible.
Examples: Tarnishing of silver is the chemical reaction of silver with environment to form a new compound with different chemical properties.
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