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Saved Which of the following reactions is not an oxidation-reduction reaction? Multiple Choice C(s) + CO2(9)...
3A%252F Saved In which of the following choices is the oxidation number incorrect? Multiple Choice Fe3-lac)oxidation number = 3+ Tag: oxidation number 1- Cl2(s): oxidation number = 1- < Prev 53 of 60 Next > search O BE
dela E? Which of the following reactions would ΔΗ = ΔΕ? Multiple Choice O C(s) + O2(9) --> CO2(g) Zn+2(aq) + 2OH(aq) --> Zn(OH)2(s) C3H4(g) + 402(g) --> 3CO2(g) + 2H2O(1) CaCO3(s) --> CaO(s) + CO2(g) 2Al(s) + 6HCl(aq) --> 2AlCl3(aq) + 3H2(g)
for each reaction- classify as oxidation-reduction,acid-base or precipitation Classify each of the following reactions as oxidation-reduction, acid-base, or Note that in order to be a redox reaction, the oxidation number of an element must be different when it is a reactant than when it is a product. (1 point each) precipitation. Classification Reaction Number 24 Ca (s) +2 H2O ()- Ca(OH)2 (s) + H2 (g) 25 CdCl2 (aq)+ Na2S (aq)CdS (s) +2 NaCl (aq) Zn(OH)2 (s) + H2SO4 (aq)ZnSO4 (aq)...
References] Balance each of the following oxidation-reduction reactions by using the oxidation states method. (Use the lowest possible coefficients for all reactions.) Cl2(g)+Ga(s)- Ga3 (aq) CI (aq) a. Ga3 (aq)+ CI (aq) Cl2(9) + Ga(s) O2(9)+ H2O(1)+Sn(s)Sn(OH)2(s) b. H2O (1) + O2(9) + Sn(OH)2 (s) Sn(s) H* (aq)MnO4(aq) +Cr2 (aq ) -Mn2 (aq) +Cr3+ (aq) +H2O(l) с. Cr (aq) H (aq) + MnO4 (aq) + Cr (aq) + Mn2+ (aq) + Н. О(1) 6 item attempts remaining Submit Answer Try...
Which of the following reactions is an oxidation-reduction reaction? A) NH4HS(s) → NH3(g) + H2S(g) B) 2 NaHCO3(s) → Na2CO3(s) + H2O(g) + CO2(g) C) N2O4(g) → 2 NO2(g) D) 2 SO2(g) + O2(g) → 2 SO3(g) E) 2 HC2H3O2(aq) + Ba(OH)2(aq) → Ba(C2H3O2)2(aq) + 2 H2O(l)
Question 1 2 pts Which of the following reactions is likely to have a positive AS? 1. Nai) --> Na(s) II. 2 C4H10(g) + 13 O2(g) --> 8 CO2(g) + 10 H2O(g) III. CaCO3(s) + 2 HCl(aq) --> CaCl2(aq) + H200) + CO2(9) IV. 6 CO2(g) + 6 H20g) --> C6H12O6(s) +6 O2(g) I and IV II and III O II, III, and IV O I, II, III, and IV
A) Calculate ?Hrxn for the following reaction: CaO(s)+CO2(g)?CaCO3(s) Use the following reactions and given ?H values: Ca(s)+CO2(g)+12O2(g)?CaCO3(s), ?H= -812.8 kJ 2Ca(s)+O2(g)?2CaO(s), ?H= -1269.8 kJ B) Calculate ? Hrxn for the following reaction: CH4(g)+4Cl2(g)?CCl4(g)+4HCl(g) given these reactions and their ?H values: C(s)+2H2(g) ---> CH4(g), ? H=-74.6kJ C(s)+2Cl2(g) ---> CCl4(g), ? H=-95.7kL H2(g)+Cl2----> 2HCl(g), ? H=-184.6kJ
46. Which species in the reaction below undergoes reduction? H2O(g) + CO(g) -H2(g) + CO2(g) a. H20 b.CO CH2 d. co2 e. None 47. Which species is reduced in the reaction below? (aq) + CIO (aq) + 10 (aq) + C (aq) a. b. H20 c.cr d. 10 e. CIO 48. Which of the following elements generally acts as an oxidizing agent? a. Br2 b.H2 c. Fed . C e. Li 49. What is the oxidation number of Fe in...
[References] Balance each of the following oxidation-reduction reactions by using the oxidation states method. (Use the lowest possible coefficients for all reactions.) C.110(9) + 02(9) — CO2(g) + H2O(g) E K(s) + HCl(aq) — K+ (aq) + CI+ (aq) + H2(g) Col+ (aq) + Ni(s) - Co2+ (aq) + Ni2+ (aq) Mg(s) + H2SO4 (aq) MgSO4(aq) + H2(g) 0 Submit Answer Try Another Version 5 item attempts remaining
Part A Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+ (aq) → Zn2+(aq) + Cu(s) 2. 2 Na(s) + Cl2(aq) + 2NaCl(s) 3.2 Mg(s) + O2(g) → 2 Mgo О O 0 1 and 3 only 2 and 3 only 1 and 2 only All of 1, 2, and 3 O None of 1, 2, and 3 Submit Request Answer Provide Feedback