Identify which substance is reduced and which is oxidized in each of the following reactions. (aq)3 Mg? (aq) + 2 Au...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
3. In the following reactions, identify which of the elements are oxidized and which are reduced and enter the name of the element on the line. (3 points for each equation, 9 points total) a. 2Ca(s) + O2(g) - Cal is oxidized is reduced b. MnO2 (aq) + 4 HBr(aq) -Bra(l) + MnBr2 (aq) + 2 H2O(0) is oxidized is reduced C. Cl2(g) +2 NaBr(ag) 2NaCl(aq) + Br2 () (Here Cl is chlorine) is oxidized is reduced
5&6
5) Identify the oxidizing agent, reducing agent, substance oxidized, and substance reduced. a) Consider the reaction Fe(NO3)3(aq) + H2S(aq) → FeS(s) + HNO3(aq) + S(s). b) Consider the reaction CuO(s) + H2(g) → Cu(s) + H2O(l). 6) Consider the reaction C(g) + O2(g) + CO2(g). (a) Determine the oxidation states of carbon and oxygen in CO2. (Drawing a Lewis struc- tures may help here.) (b) What are the oxidation states of the reactants carbon and oxygen? (c) Which substance...
Identify the oxidized substance, the reduced substance, the oxidizing agent, and the reducing agent in the redox reaction. Mg(s) + CI,() Mg?+(aq) + 2C1" (aq) Which substance gets oxidized? OCH OCI Mg? * Mg Which substance gets reduced? OCH OM Ос, Mg? What is the oxidizingent OC OM What is the oxidizing agent? Осі, Mg2+ O Mg ОСІ" What is the reducing agent? O c, O Mg2+ Mg ОСІН
Identify which substance is oxidized and which substance is reduced in each of the following redox reactions. a. 2A1 + 3Cl2 → 2AICI: b. Zn + CuCl2 → ZnCl2 + Cu c. 2NiS + 302 → 2NiO + 2S02 d. 3H2S + 2HNO3 → 3S + 2NO + 4H,0
4. In each of the following reactions, identify the elements being oxidized or reduced, a) 4 Fe (s) + 3 O2(g) 2 FeO3 (5) (Oxygen is in its natural state.) Element being oxidized: Element being reduced: b) CuCl2 (aq) + Zn (s) → ZnCl2 (aq) + Cu (s) (Zinc and Copper are in their natural states.) Element being oxidized: Element being reduced: 21
When a substance is oxidized, it electrons and its oxidation number When a substance is reduced, it electrons and its oxidation number Determine the oxidation number of each clement in: HCIO_4 C-2O_4^2- In each of the following redox reactions, determine which element is oxidized and which is reduced. Cl_2 (aq) + 2 I (aq) rightarrow I_2 (aq) + 2 Cl' (aq) Fe_2O_3 (s) + 3 CO (g)rightarrow 2 Fe (s) + 3 CO_2 (g) Write balanced molecular and net ionic...
3. Balance the following reactions and identify the species that have been oxidized and the species that have been reduced: Clz (g) + l'(aq) → 12 (s) + Cl(aq): - Al (s) + O2(g) → Al2O3 (s): -- 3/3 Ca (s) + H20 (1) ► H2 (9) + Ca (OH)2 (s): --- WO2 (s) + Hz (g) → W (s) + H2O (): -
For each of the following balanced redox reactions, identify which elements get oxidized and reduced. Also, ldentify the oxidant and the reductant. 1) 2Cr20 (aq)+3CH,OH(aq) 16H (aq) 3HCO,H(aq)+4Cr(aq)+ 11H20 (1) 2) 2NO -(aq) + H2S(g) + 2H+(aq) →2NO2(g) + S(g) +2H2O (l)
For the following reaction identify the substance oxidized and the substance reduced: 3502 + 2HNO3 + 2H20 — 37,804 + 2NO The substance oxidized is: Choose one: O A. NO O B. H2O O C. H2SO4 O D. SO2 O E. HNO3 The substance reduced is: Choose one: O A. SO2 O B. NO O C. H2O O D. HNO3 O E. H2SO4