Balance each of the following in BASE: Show work A). CrO42-(aq) + Cu(s) Cr(OH)3(s) +...
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)
Homework Answers
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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)
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)...
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)...
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) + ...
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°...
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)...
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) +...
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) + 4H...
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...
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. Consider the following unbalanced redox reaction: ClO4−(aq) + I−(aq) → Cl−(aq) + HIO(aq) (a) Balance...
1. Consider the following unbalanced redox reaction: ClO4−(aq) + I−(aq) → Cl−(aq) + HIO(aq) (a) Balance the corresponding half reactions in acidic conditions using the lowest possible whole number coefficients. (Enter coefficients for one and zero. Blanks will be marked incorrect.) ClO4−(aq) + H2O(l) + OH−(aq) + H+(aq) + e− → Cl−(aq) + H2O(l) + OH−(aq) + H+(aq) + e− Tries 0/3 I−(aq) + H2O(l) + OH−(aq) + H+(aq) + e− → HIO(aq) + H2O(l) + OH−(aq) + H+(aq) + e− Tries 0/3 (b) Using the results from part (a), balance the full reaction in acidic conditions with...
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
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
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