Use the chemical equation below to answer the questions that follow.
2 MnO4-(aq) + 5 H2C2O4(aq) + 6 H+(aq) → 2 Mn2+(aq) + 10 CO2(g) + 8 H2O(l)
If the rate of appearance of Mn2+(aq) is 0.83 M/s, what is the rate of appearance of H2O(l)? Answer to 2 decimal places.
Use the chemical equation below to answer the questions that follow. 2 MnO4-(aq) + 5...
MnO4 (aq) + H2 C2O4(aq)Mn2+(aq) + CO2(g) 2. What element is being reduced in the following redox reaction? MnO4 (aq) + H2C2O4(aq) Mn2+(aq) + CO2(g)
Question 5 (1 point) Given: MnO4 (aq) + H+(aq) + Cl (aq) --> Mn2+(aq) + Cl2(g) + H2O(1) If the coefficient of MnO4 in the balanced equation is 2, what are the coefficients of H+, Cl- and Cl2, respectively? 8,5,5 0 16, 10,5 010, 10,5 o 4, 8, 4 08, 10,5
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
Permanganate ion oxidizes hydrogen peroxide in acidic solution
according to the following equation:
2 MnO4–(aq) + 5
H2O2(aq) + 6 H+(aq) 2 Mn2+(aq) + 5
O2(g) + 8 H2O(l)
If 35.0 mL of an acidic 0.150 M KMnO4 solution is
required to consume all the H2O2 in 50.0 mL
of a disinfectant solution, what is the concentration of
H2O2 in the disinfectant?
0.0420 M
0.105 M
0.263 M
0.368 M
When a solution of barium hydroxide is mixed with a...
Question 7 (1 point) Given: MnO4"(aq) + H+ (aq) + CI+(aq) --> Mn2+ (aq) + Cl2(g) + H2O(1) If the coefficient of MnO4" in the balanced equation is 2, how many electrons are transferred in the reaction? O2 05 08 07 Question 8 (1 point) Write the cell diagram for the reaction Cl2(g) + 2Br" (aq) --> 2C1"(aq) + Br2(1) O Pt(s) CI+(aq), Br"(aq) || Br2(1) C12(g) | Pt(s) O Pt(s) | Br2(1) | Br"(aq) || C1"(aq) | C12(g) |...
Use the reduction potentials and the unbalanced chemical equation below to answer the following questions: Mn2+ (aq) + Ag+ (aq) → Mn (s) + Ag2+ (aq) Half-cell reaction / E° (V) Mn2+(aq) + 2e− ⇌ Mn(s) / -1.185 Ag2+(aq) + e− ⇌ Ag+(aq) / 1.980 a) Determine E°cell (in V). Report your answer to three decimal places in standard notation (i.e. 1.234 V) b) Determine ΔG° (in kJ/mol). Report your answer to three significant figures in scientific notation (i.e. 1.23e4...
Consider the following precipitation reaction: 2 K3PO4 (aq) + 3 Co(NO3)2 (aq) ? Co3(PO4)2 (s) + 6 KNO3 (aq) What volume of 0.222 M K3PO4 (aq) in milliliters is needed to react with 36.75 mL of 0.250 M Co(NO3)2 (aq)? NG 5 6. Consider the following precipitation reaction: 5 Fe2+(aq) + MnO4-(aq) + 8 H+(aq) ? 5 Fe3+(aq) + Mn2+(aq) + 4 H2O(l) An iron sample weighing 0.214 g is converted into Fe2+(aq) and requires 31.57 mL of MnO4-(aq) according...
Question 10 (1 point) Given: MnO4 (aq) + H*(aq) + CI (aq) --> Mn2*(aq) + Cl2(g) + H2O(1) If 10 electrons are transferred in the balanced equation, what is the coefficient of CI-? ООООО
What is this balanced equation?
MnO4−(aq) +
I−(aq) I2(s) +
MnO2(s)
I got 2MnO4-(aq) +
6I-(aq) +
4H2O(l) ⇌ 3I2(s)
+ 2MnO2(s) + 8OH-(aq)
but webassign is saying it's wrong.
edit: nevermind, figured it out. 2
MnO4-(aq) + 8
H+(aq) +
6I-(aq) ⇌ 3
I2(s) + 2 MnO2(s) + 4
H2O(l)
Calculate values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the equations. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole...
2 MnO4 (aq) + 5 H2O2(aq) + 6 H(aq) → 5 O2(aq) + 2 Mn2+ (aq) + 8 H20(1) completely oxidize 25.0 mL of a H2O2 solution, calculate the molarity of the H20, solution