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Please explain for the answer for part a and b

Please explain for the answer for part a and b

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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Please explain for the answer for part a and b 

**Iron and Sulfur Reaction to Form Iron Sulfide** **13. Iron and Sulfur are heated together in a single test tube to react and form Iron Sulfide. The model below demonstrates this process.** - **Diagram Explanation:** - The diagram consists of three parts, representing a chemical reaction. - On the left, a cluster of brown spheres represents Iron (Fe). - In the middle, a cluster of red spheres represents Sulfur (S). - An arrow indicates the reaction process leading to the right side, where a combined cluster of interspersed brown and red spheres represents Iron Sulfide (FeS). **Part A** *Which of the following is the best evidence found in the model that supports the conservation of matter?* A. The number of iron and sulfur atoms found in the reactant are equal to those found in the product. B. The number of compounds found in the reactant are equal to those found in the product. C. The mass of the iron and sulfur is equal to the mass of the iron sulfide. D. The number of bonds in the reactant are equal to the number of bonds found in the product. **Part B** *How would you classify the substances in the reactant and product?* A. The products and reactants are both pure substances. B. The products and reactants are both mixtures. C. The reactant is a pure substance and the product is a mixture. D. The reactant is a mixture and the product is a pure substance. --- This illustrates the principle of conservation of matter and classifications of pure substances and mixtures in a chemical reaction.
Transcribed Image Text:**Iron and Sulfur Reaction to Form Iron Sulfide** **13. Iron and Sulfur are heated together in a single test tube to react and form Iron Sulfide. The model below demonstrates this process.** - **Diagram Explanation:** - The diagram consists of three parts, representing a chemical reaction. - On the left, a cluster of brown spheres represents Iron (Fe). - In the middle, a cluster of red spheres represents Sulfur (S). - An arrow indicates the reaction process leading to the right side, where a combined cluster of interspersed brown and red spheres represents Iron Sulfide (FeS). **Part A** *Which of the following is the best evidence found in the model that supports the conservation of matter?* A. The number of iron and sulfur atoms found in the reactant are equal to those found in the product. B. The number of compounds found in the reactant are equal to those found in the product. C. The mass of the iron and sulfur is equal to the mass of the iron sulfide. D. The number of bonds in the reactant are equal to the number of bonds found in the product. **Part B** *How would you classify the substances in the reactant and product?* A. The products and reactants are both pure substances. B. The products and reactants are both mixtures. C. The reactant is a pure substance and the product is a mixture. D. The reactant is a mixture and the product is a pure substance. --- This illustrates the principle of conservation of matter and classifications of pure substances and mixtures in a chemical reaction.
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Solid iron reacts with solid sulfur to form a single product that is iron sulfide.

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