Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. redox reaction? O yes O no cog) + H,0(g) ·co,g) + H,(g) reducing agent: oxidizing agent: redox reaction? O yes no CaO (s) + Co,(g) → CaCo,(s) reducing agent: oxidizing agent: redox reaction? O yes no Cuso,(aq) + Zn(s) → ZnSO̟(aq) + Cu(s) reducing agent: oxidizing agent:

Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. redox reaction? O yes O no cog) + H,0(g) ·co,g) + H,(g) reducing agent: oxidizing agent: redox reaction? O yes no CaO (s) + Co,(g) → CaCo,(s) reducing agent: oxidizing agent: redox reaction? O yes no Cuso,(aq) + Zn(s) → ZnSO̟(aq) + Cu(s) reducing agent: oxidizing agent:

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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Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. redox reaction? yes no C(s) + 0,g) → c0,g) co,(g) reducing agent: oxidizing agent: redox reaction? yes no Fe(s) + Cuso, (aq) → Feso,(aq) + Cu(s) reducing agent: 4 oxidizing agent: redox reaction? yes no 2A£NO, (ag) + CuCı, (aq) → 2A£CI (s) + Cu(NO,), (aq) reducing agent: oxidizing agent:
The density of acetic acid is 1.05 g/ml. * 10 ml of commercial vinegar was taken during titration with NaOH solution. The mass of CH3COOH calculated after titration is 2.75g. The percentage by mass of acetic acid in vinegar solution is: O 2.1% O 4.5% о 5.3% 26.2%
When the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown? Cu + + Cu(OH)2 Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of ☐ . (Enter 0 for neither.) Which species is the oxidizing agent?
Which reaction is a redox reaction? Please explain why.. A) KOH(aq) + HNO3(aq) --> KNO3(aq) + H2O(l) B) Ca(OH)2(aq) + 2HNO3(aq) --> 2H2O(l) + Ca(NO3)2(aq) C) 2Al(s) + 3Br2(l) --> 2AlBr3(s) D) AgNO3(aq) + KCl(aq) --> AgCl(s) + KNO3(aq)
From the chemical equation below, what is the oxidizing agent? 2Cr^3+(aq) + 6Cl^1-(aq) --> 2Cr(S) + 3Cl2 (g)
For the following reaction, determine the number of electrons transferred. If the reaction is not a redox reaction, please enter "0" for your answer. 3CuS (s) +8HNO, (aq) - - 3CuSO, (ag) + 8NO(g) + 4H₂O(1)
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown?NO + CrO42- = NO3- + Cr3+Water appears in the balanced equation as a reactant, product, or neither, with what coefficient?Which element is oxidized?
Redox Reactions
The following reaction occurs when two aqueous solutions are mixed: Cr(NO3)3(aq) + 3NaOH(aq) → Cr(OH)3(s) + 2NaNO3(aq) Identify the spectator ion OR ions in the solution. SELECT ALL SPECTATOR IONS!
Complete and balance the following redox reaction in acidic solution TeO2(aq) + NO(g) → Te(s) + NO₂ (aq) 4- 3 2 ப + 2+ 3+ 4+ 1 2 3 4 5 6 7 8 6 0 ப 1 ☐ 2 ப ப 3 ☐ 4 ☐ 5 ☐ 6 07 ☐ 8 9 + (s) (1) (g) (aq) H+ N Te e O H₂O+ H OH H₂O
The oxidation number for As in A s O 4 3 − is BLANK. The oxidation number for oxygen in BaO2 is BLANK . Oxidation number phosphorous in pentaphosphorous pentoxide is BLANK . In this redox reaction: Zn + Cu(NO3)2 ⟶ Cu + Zn(NO3)2 the reducing agent is BLANK . The oxidation of manganese in Al(MnO4)3 is BLANK . Numbers only and you must enter (+) or (-) for oxidation numbers.
Complete (IF NECESSARY) and balance the following equations, then use oxidation numbers to explain if each of the following reactions is a redox reaction. If the reaction is redox, identify the element being oxidized, the element being reduced, oxidizing agent, and reducing agent. (a) Al (s) + HCl (aq) --> _ ___ + _ ___