Question
In: Chemistry
Permanganate ion (MnO4-) is used in water purification to remove oxidizable substances. Complete and balance the...
Permanganate ion (MnO4-) is used in water purification to remove oxidizable substances. Complete and balance the following reaction for the removel of sulfide, cyanide, and sulfite. Assume that theresult of the reaction is a basic solution. Place charges and state elements are in.
(a) MnO4-(aq) + S2-(aq) yields MnS(s) + S(s)
(b) MnO4-(aq) + CN-(aq) yields CNO-(aq) + MnO2(s)
(c) MnO4-(aq) + SO32-(aq) yields MnO2(s) + SO42-(aq)
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
Part A) Balance the following using the ½ reaction method Permanganate ion plus bromide ion yields...
Part A) Balance the following using the ½
reaction method
Permanganate ion plus bromide ion yields manganese oxide and
BrO3 - (basic solution)
Part B) Given the following data and using
Hess’ Law, Calculate change in Enthalpy for the reaction
Overall reaction : NO(g) + O
(g) ------→ NO2(g)
2O3(g)
------→ 3O2(g)
∆H
= - 427 kJ
O2(g)
------→ 2O(g)
∆H
= 495 kJ
NO(g)
+ O3 (g) ------→ NO2 (g) + O2 (g)
∆H = - 199 kJ
a water purification process in which the water undergoes adsorption and ion exchange processes. what is...
a
water purification process in which the water undergoes adsorption
and ion exchange processes.
what is the expected effect of flow rate on ion concentration
after the adsorption and ion exchange units?
An ion exchange column containing 99.3 g of amberlite ion exchange resin was used to remove...
An ion exchange column containing 99.3 g of amberlite ion
exchange resin was used to remove Cu2+ from a solution where
Co = 0.452 M CuSO4. The tower height = 30.5 cm and
diameter =2.59 cm. The flow rate was 1.37 cm3 solution/s to the
tower. The breakthrough data are shown below:
Time
(s)
C [ Cu mol g]/L
420
0
480
0.0033
510 0.0075
540
0.0157
600
0.0527
660
0.1063
720
0.1433
780
0.1634
810
0.1722
870
0.1763
900
0.180...
An ion exchange column containing 99.3 g of amberlite ion exchange resin was used to remove...
An ion exchange column containing 99.3 g of amberlite ion
exchange resin was used to remove Cu2+ from a solution where
Co = 0.452 M CuSO4. The tower height = 30.5 cm and
diameter =2.59 cm. The flow rate was 1.37 cm3 solution/s to the
tower. The breakthrough data are shown below:
Time
(s) C
[ g Cu mol/L ]
420
0
480 0.0033
510
0.0075
540
0.0157
600
0.0527
660 0.1063
720
0.1433
780
0.1634
810
0.1722
870 0.1763
900
0.180
The...
Aluminum sulphate is used in the manufacture of paper and in the water purification industry. In...
Aluminum sulphate is used in the manufacture of paper and in the
water purification industry. In the solid state, aluminum sulphate
is a hydrate. The formula is Al2(SO4)3.18H2O. How many grams of
sulphur are there in 0.479 moles of solid aluminum sulphate?
How many water molecules are there in a 4.63 g sample of solid
aluminum sulphate?
How many moles of sulphate ions are there in a sample of solid
aluminum sulphate that contains 13.7 moles of oxygen atoms?
An...
The water used in this experiment is sparged with nitrogen to remove any dissolved oxygen. The...
The water used in this experiment is sparged with nitrogen to
remove any dissolved oxygen. The proton-coupled reduction of oxygen
is shown in the following half reaction:
O2 + 4 H+ + 4 e- = 2 H2O
a.Explain why sparging a solution with N2to remove dissolved
oxygen is an equilibrium process.
b.Using the half reaction above, write the balanced equation for
the reaction of ascorbic acid with oxygen. Show your work.
c.If you didn’t know whether or not O2is capable...
Cl-1 + MnO4-1 ---> Mn+2 + Cl2 1. Balance the equation using the ion-electron (half-cell) method....
Cl-1 + MnO4-1 --->
Mn+2 + Cl2
1. Balance the equation using the ion-electron (half-cell)
method. Assume acidic solution.
2. Calculate Eocell.
3. Calculate E cell when Mn+2 and Cl-1 are
each 1.0 M, MnO4-1 is 1.0 x 10-4
M, Cl2 is at 1 atm pressure.
4. Calculate the equilibrium constant, Keq for the
reaction.
Rectangular pre-sedimentation tanks are to be used to remove grit and sand from river water in...
Rectangular pre-sedimentation tanks are to be used to remove
grit and sand from river water in a water treatment plant that
produces 24000 m3/d drinking water.
Use an overflow rate of 20 m3/m2.d and a weir loading rate of
220 m3/m.d and a detention time of 4 hrs. A minimum of
two tanks are to be used. Find the following:
a. The surface area of each tank.
b. Tank dimensions ( L*W*H), use width to length ratio of 4:1,
Maximum...
Complete and Balance the following half-reactions (steps2-5 in half reaction method): MnO4−(aq) ⟶ Mn2+(aq) (in acidic...
Complete and Balance the following half-reactions (steps2-5 in
half reaction method): MnO4−(aq) ⟶ Mn2+(aq) (in acidic
solution)
The fluoride ISE is used routinely for measuring fluoridated water and fluoride ion in dental products...
The fluoride ISE is used routinely for measuring fluoridated
water and fluoride ion in dental products such as mouthwash. A 50
mL aliquot of water containing sodium fluoride is analyzed using a
fluoride ion electrode and the MSAs. The pH and ionic strength are
adjusted so that all fluoride ion is present as free F- ion. The
potential of the ISE/reference electrode combination in a 50 mL
aliquot of the water was -0.1805 V. Addition of 0.5 mL of a...
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