Indicate the oxidation number of each element in the following species. (a) Ca(s) (b) S8(s) (c) Ca2+(aq) (d) S2−(aq)
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Indicate the oxidation number of each element in the following species. (a) Ca(s) (b) S8(s) (c)...
25. What is the oxidation number of the indicated element in each of the following species? A. ClinCl2is+2 Cr in K2Cr2O7 is +2 NinNO3-is+3 B. Cl in Cl2 is 0 Cr in K2Cr2O7 is +6 N in NO3- is +6 C.ClinCl2 is+7 Cr in K2Cr2O7 is +3 NinNO3-is-2 D. ClinCl2 is0 Cr in K2Cr2O7 is +6 NinNO3-is+5 E. ClinCl2is-1 Cr in K2Cr2O7 is +2 N in NO3- is -3 26. Which of the following statements is correct about the reaction...
of Write the balanced oxidation half-reaction for the following overall reaction: 2 H+ (aq) + Ca(s) → Ca2+(aq) + H2(g) Select one: a. H2(g) → 2 H (aq) + 2e Ob. 2 H(aq) - Halg) +2e c. none of the above d. Ca(s) + 2e + Calt (aq) MacBook Air
Determine the oxidation number of Ca in the following calcium-containing species: Ca(NO3)2 Place your answer in the box. Express your answer using only an integer number prod species with oxidation number of "minus three", you should put -3 in the answer box. N 4? er of Ca in the following calcium-containing species sign when he and numbersneglve Forecamp for Express your answer using only an integer number proceeded by either a + Sign when the ondation number is positive or...
Determine the oxidation number of the indicated element in each of the following substances: (a) S in SO 3; (b) C in COCl 2; (c) Mn in MnO 4; (d) Br in HBrO; (e) As in As 4; (f) O in K 2 O 2.
PS12.1. Balance the following oxidation-reduction reactions using the half-reaction method. a) S2-(aq) + NO3-(aq) ---> S8(s) + NO2(g) acidic solution
Give the oxidation number for each element in each of the following compounds. a) HClO4 b) Cd(OH)2 c) Sn(Cr2O7)2 d) Na2CO3 e) KBrO3
Calculate the oxidation number of each element in the reactants and products in the following reaction, and identify each reactant as an oxidizing agent and a reducing agent. Explain your 4. answer MnO4 (aq)+ I03 (aq) MnO2(s) + I04 (aqg) 2
1) Assign Oxidation States every element in each of the following species: i) NaMnO4 iv) SF ii) Cu(CIO4)2 v) LiH iii) Cl2 vi) H2O2 2) 3) 2HBr(aq) + Cds CdBr2(aq) + H2(g) Element Oxidized: Element Reduced: Balance the following redox reaction in acidic solution: Cr2O72- + C2H5OH → Cr + CO2
Assign the correct oxidation number to each species in the redox reaction below. PbSO4(s) + H*(aq) + 2Cl(aq) = Pb(s) + H$04" (aq) + Cl2(g)
Calculate the cell potential for Ca(s) + Mn2+(aq) ↔ Ca2+(aq) + Mn(s). Assume any aqueous species has a concentration of 1 M. Ca2+(aq) + 2e- → Ca(s) Eº = -2.87 V Mn2+(aq) + 2e- → Mn(s) Eº = -1.18 V