18. Based on the molecular diagram, classify each change as physicalor chemical.b.C.

Physical changes are changes under which a substance undergoes a change in its physical properties.…

Answered: 18. Based on the molecular diagram,…

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU5: Fire: Energy , Thermodynamics, And Oxidation-reduction

SectionU5.12: Over The Hill: Reversing Reactions

Problem 1E

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Carbon dioxide from the atmosphere weathers, or dissolves, limestone (CaCO3) by the reaction CaCO3(s)+CO2(g)+H2O(l)Ca2(aq)+2HCO3(aq) Obtain H for this reaction. See Table 6.2 for the data.
Consider the generic chemical equationaA+bBcC+dD (where a, b, c, and d represent coefficients for the chemicals A, B, C, and D, respectively). a. How many possible values are there for “c”? Explain your answer. b. How many possible values are there for “c/d”? Explain your answer.
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18. Based on the molecular diagram, classify each change as physical or chemical. b. C.