A good method of preparing pure oxygen on a small scale is the decomposition of KMnO4 in a vacuum above 215°C: 2 KMnO4(s) → K,MnO4(s) + MnO,(s) + O3(g) Assign an oxidation number to each atom and verify that the total number of electrons lost is equal to the total number gained.

A good method of preparing pure oxygen on a small scale is the decomposition of KMnO4 in a vacuum above 215°C: 2 KMnO4(s) → K,MnO4(s) + MnO,(s) + O3(g) Assign an oxidation number to each atom and verify that the total number of electrons lost is equal to the total number gained.

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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You may want to reference (Pages 227-232) Section 7.4 while completing this problem. Balance each of the following chemical equations: Zn(s) + HNO3(aq) → Zn(NO3)2 (aq) + H₂(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation. Submit ΑΣΦ A chemical reaction does not occur for this question. Part B Request Answer ? Al(s) + H₂SO4 (aq) → Al2(SO4)3(aq) + H₂(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation. ΑΣΦ ? A chemical reaction does not occur for this question.
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