Balance each of the following in BASE: Show work
A). CrO42-(aq) + Cu(s) Cr(OH)3(s) + Cu(OH)2(s)
B). NO2(g) NO3-(aq) + NO2-(aq)
D). Zn(s) + NO3-(aq) Zn(OH)42-(aq) + NH3(g)
D). Br2(l) BrO3-(aq) + Br -(aq)
Balance each of the following in BASE: Show work A). CrO42-(aq) + Cu(s) Cr(OH)3(s) +...
Balance the redox reactions: basic: ClO-(aq)+Cr(OH)4-(aq)----> CrO42-(aq)+Cl-(aq) MnO4-(aq)+Br-(aq)--> MnO2(s)+BrO3-(aq) NO2-(aq)+Al(s)--->NH3(g)+AlO2- Aidic: ClO4-(aq)+Cr(OH)4---->ClO3-(aq)+Cl2(g)
Complete and balance the unfinished equations: A) Cu(s) + 4HNO3(aq) ? Cu(NO3)2(aq) + 2NO2(g) +2H20(l) B) Cu(NO3)2(aq) +NaOH(aq) ? ? C) Cu(OH)2(s) ? CuO(s) + H2O(l) D) CuO(s) + H2SO4(aq) ? CuSO4(aq) + H2O(l) E) CuSO4(aq) + Zn(s) ? ?
Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) MnO4-(aq) + Cl-(aq) Mn2+(aq) + Cl2(aq) MnO4- + Cl- + H+ + H2O Mn2+ + Cl2 + H+ + H2O (b) Cr2O72-(aq) + NO2-(aq) Cr3+(aq) + NO3-(aq) Cr2O72- + NO2- + H+ + H2O Cr3+ + NO3- + H+ + H2O (c) Tl2O3(s) + NH2OH(aq) TlOH(s) + N2(g) Tl2O3 + NH2OH + OH- + H2O TlOH(s) + N2 + OH- + H2O (d) CrO42-(aq) + C2O42-(aq) Cr(OH)3(s) + CO2(g) CrO42- + C2O42- + OH- + H2O Cr(OH)3 + CO2 + OH- + H2O
Balance the following Redox Equations in Basic Mediums. Redox Reactions in Basic Solution 1. Al(s) + MnO4¯ (aq) ¾® MnO2(s) + Al(OH)4¯ (aq) 2. NO2¯ (aq) + Al(s) ¾® NH3(aq) + AlO2¯ (aq) 3. Cr(s) + CrO42-(aq) ¾® Cr(OH)3(s) Note: Cr(OH)3 is found in BOTH half reactions! 4. Cl2(aq) + Br2(l) ¾® OBr¯ (aq) + Cl¯ (aq) 5. S8(aq) + MnO4¯ (aq) ¾® SO42-(aq) + MnO2(s)
For each of the following reactions, balance the chemical equation, calculate the emf, and calculate G° at 298 K. (Use the smallest possible coefficients for H2O(l), H+(aq), and HO-(aq). These may be zero.) (a) In acidic solution copper(I) ion is oxidized to copper(II) ion by nitrate ion. Cu+(aq) + NO3-(aq) + H+(aq) Cu2+(aq) NO(g) + H2O(l) emf V G° kJ (b) Aqueous iodide ion is oxidized to I2(s) by Hg22+(aq). I-(aq) + Hg22+(aq) + H+ I2(s) Hg(l) + H2O(l) emf V G° kJ (c) In basic solution Cr(OH)3(s) is...
1. Balance the three copper reactions: + H20 (1) Cu(NO3)2 (aq) + NO2(g) i) Cu (s) + HNO3 (aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) + NaNO3(aq) (aq) - iii) Cu(OH)2 (S) Cuo(s) + H2O (1) 2. In reaction (i), suppose you add 4.0 mL of 6 M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
Question 6 (1 point) Given: Zn(s) + OH(aq) + H2O(l) + NO3- (aq) --> Zn(OH)42-(aq) + NH3(g) If 8 electrons are transferred in the balanced equation, what is the coefficient of OH-? Ö Ô ô ô 8
Classify the type of reactions 1. Cu(s) + 4HNO3 (aq) -> Cu(NO3)2(aq) + 2H2O (l) + 2NO2(g) 2. Cu(s) + 4H3O+ (aq) + 2NO3- (aq) -> [Cu(H2O)6]2+ (aq)+ 2NO2(g) 3. [Cu(H2O)6]2+ (aq)+ NaOH (aq)-> Cu(OH)2 (s) + 5H2O (l) 4. Cu(OH)2 (s) (+ heat) -> CuO (s) + H2O (l) 5. CuO (s) + H2SO4 (aq) -> CuSO4 (aq) + H2O(l) 6. CuSO4 (aq) + Zn (s) -> Cu (s) + ZnSO4 (aq) 7. Zn (s) + H2SO4 (aq) -> ZnSO4...
Given the unbalanced equation, Cr(NO3)3(aq) + LiOH(aq) → LiNO3(aq) + Cr(OH)3(s), how many grams of Cr(OH)3 are produced from 0.56 g of Cr(NO3)3?
1. Balance the three copper reactions: +H20 (1) +NO2 (g) Cu(NO3)2 (aq) i) Cu (s) HNO3 (aq) NANO3 (aq) NaOH (aq) Cu(OH)2 (s) + ii) Cu(NOs)2 (aq) + H2O (1I) CuO (s) iii) Cu(OH)2 (s) 2. In reaction (i), suppose you add 4.0 mL of 6M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)