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Chem 12 Practice Worksheet - Answer Key Key page 1 Redox #1 (KEY) 1. 0000000923 00000 n
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In each of the following equations indicate the element that has been oxidized and the one that has been reduced. startxref
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Write balanced equations for the following redox reactions: a. Practice Problems: Redox Reactions. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. 0000000851 00000 n
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59. View Worksheet_9.1RedoxProcesses.pdf from CHEM 1130 at Lakehead University. KEY Review: Worksheet on Balancing Redox Equations Two methods are often mentioned for balancing redox reactions: the half reaction method and the change in oxidation method. 3 Balance oxygen atoms by adding H. 2. Then ask learners to xref
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6. Balance the reaction and indicate which reactant is oxidized and which reactant is being reduced. 0000006716 00000 n
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D . Redox Exercise (Part 1) Assign oxidation numbers to all atoms in each of the following: a. cuC12 cu = +2, = -1 b. c, NaHS04 d. Na3P f. HCr04" -2) // s+/, g. cac03 +2) h. cu2S04 S 5+6 i. Hydrogen –usually +1, except when bonded to Group I or Group II, when it forms hydrides, -1. 0
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Determine what is oxidized and what is reduced in each reaction. Cr 2O 7 2 - → Cr3+ 5. In the reaction Mg+Cl2!MgCl2, the correct half-reaction for the oxidation that occurs is A. Mg+2e !Mg2+ B. Cl2 +2e !2Cl C. Mg !Mg2+ +2e D. Cl2!2Cl +2e 25. 127 27
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Redox reactions are among the most common and most important chemical reactions in everyday life. 0000002807 00000 n
Identify the oxidizing agent and the reducing agent, also. Combustion is an example of a redox reaction that occurs so … A . Determine the oxidation number of the elements in each of the following compounds: a. H 2 CO 3 b. N 2 c. Zn(OH) 4 2-d. NO 2-e. LiH f. Fe 3 O 4 Hint; Identify the species being oxidized and reduced in each of the following reactions: a. Cr + + Sn 4+ Cr 3+ + Sn 2+ b. 4. Redox and Electrochemistry Multiple Choice Review 9. Determination of Activity of Some Metals by Reaction with Hydrogen Ion (DOC 28 KB) Redox Reactions (DOCX 18 KB) Half Reactions and Balancing Warm Up (DOC 51 KB) Balancing Half Reactions Worksheet (DOC 31 KB) Balancing Redox Equations (DOCX 16 KB) Electrochemical Cell Diagrams I & II (DOC 230 KB) Electrochemical Cell Diagrams III & IV (DOC 230 KB) Don’t do one question, then look at the key, then do another and look at the key, and so on. Suited for student in Y10 and Y11. endstream
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View the top books to read online as per the Read Print community. D . ThehalfJreaction!method!involves!balancing!the!oxidation!reaction!as!if!it! 60. 5. Write the redox reaction and predict the spontaneity for the following: a) Concentrated nitrous acid is poured on to a … SO 4 2- → SO 2 7. 1. 7. Balancing Redox Reactions Worksheet 1 Balance each redox reaction in . Hydrogen –usually +1, except when bonded to Group I or Group II, when it forms hydrides, -1. Cr 2O 7 2-+ C2H 4O → C 2H 4O 2 + Cr 3+ 4. Balancing redox reactions in basic solution. ... pause the video and try to answer the question posed or calculate the answer to the problem ... Design a worksheet or set of questions about one video lesson. 0000003358 00000 n
In the first case you separate out the oxidation and reduction half reaction and in the second case, you do it all at once. alkaline conditions), then we have to put in an extra step to balance the equation. 0000003860 00000 n
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The great majority of those reactions can be classified on the basis of how rapidly they occur. b. NO → NO 3-6. B . 2 One half-reaction at a time, balance the atoms, except hydrogen and oxygen. 0000005574 00000 n
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Balancing Redox Equations WorkSheet Oxidation Number Method for Balancing Redox Equations 1. Balance the atoms and charges in each half-reaction – Atoms are balanced in order: atoms other than O … 0000005053 00000 n
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