Classify the following changes of substances as PHYSICAL or CHEMICAL: 12(g) - 12(s) 12(s)+ sodium bisulfate - 2Nal (aq)+ other products 1. Physical solid potassium dichromate melts and 2. Chemical turns dark when heated, and returns to its original color as it cools to form a solid
Classify the following changes of substances as PHYSICAL or CHEMICAL: 12(g) - 12(s) 12(s)+ sodium bisulfate - 2Nal (aq)+ other products 1. Physical solid potassium dichromate melts and 2. Chemical turns dark when heated, and returns to its original color as it cools to form a solid
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 1QAP: hat do the coefficients of a balanced chemical equation tell us about the proportions in which atoms...
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Classify these as physical or chemical
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