State how many coulombs of charge must have been transferred

Assignment Help Chemistry
Reference no: EM13244664

In the reaction MnO4? + 8H+ + 5e? = Mn2+ + 4H2O, the manganese in 3.95 grams of KMnO4 (M.W. 158.0) were reduced to Mn2+. How many coulombs of charge must have been transferred to the permanganate ion? A) 1.60 x 104 C B) 2.41 x 103 C C) 1.20 x 104 C

Reference no: EM13244664

Questions Cloud

Determine the effect of the change in govt purchases : According to the spending allocation model, adecrease in government spending results in, among other things, anincrease in investment in the long run. Suppose the capitalstock is $1 trillion and a fall in government spending causes a $50billion ri..
What is the capacitance of the empty shelves : A nervous physicist worries that the two metal shelves of his wood frame bookcase might obtain a high voltage difference if charged by static electricity, What is the capacitance of the empty shelves if they have area 0.7 × 103 cm2
Describe the specific heats of the solid : How much energy in J is needed to convert 48 g of liquid ethanol at 67 oC to vapor at 97oC. You might need to know that: mp = -114 oC and bp = 78oC The heat of fusion is 4.6 kJ/mol and the heat of vaporization is 46.0 kJ/mol. Finally, the specific..
What will the multiplier be when the mps is given : What will the multiplier be when the MPS is 0.4, 0.6, 1, ½ and 0 How much of a change in theeconomy will result if businesses increase their level of investment by $8 Billion and the MPC in the economy is 4/5 and ifit is 2/3
State how many coulombs of charge must have been transferred : In the reaction MnO4? + 8H+ + 5e? = Mn2+ + 4H2O, the manganese in 3.95 grams of KMnO4 (M.W. 158.0) were reduced to Mn2+. How many coulombs of charge must have been transferred to the permanganate ion? A) 1.60 x 104 C B) 2.41 x 103 C C) 1.20 x 104 C
Input an expression for the permittivity of the oil : A parallel-plate capacitor has a capacitance of c1 = 5.5 ?F when filled with air and c2 = 33 ?F when filled with a dielectric oil at potential difference of 12 V, Input an expression for the permittivity of the oil
Characters might not have actually existed : Rosenstone argues using examples (e.g. Walker, JFK and A Knight’s Tale) that while filmic sequences, events or characters might not have actually existed/occurred, they can still have historical value if they operate on a metaphorical level to say so..
Find present value for both choices if annual inerest given : Suppose you may choose between two machines for production atyour store. Both machines have a useful cycle of 10 years. MachineA cost $10,000, leaves an annual (EOY) income of $2,500, machine Ahas annual expenses of $1,000
Explain molecular orbital templates for diatomic molecules : Molecular orbital templates for diatomic molecules from the 2nd period elements are attached to the back of the exam. Use the appropriate diagram to determine the bond order in the O2+ ion.

Reviews

Write a Review

Chemistry Questions & Answers

  State the molar concentration of tl+ is m

The molar concentration of Tl+ is M (4 dec places). The molar concentration of Cl- is M (4 dec places).

  Briefly explain why hydrogen atoms in methane

Briefly explain why hydrogen atoms in methane are all in equivalent positions? B. Briefly explain why there are no structural isomers of propane (c3h8)

  How many grams of magnesium chloride must be dissolved

How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C

  State the balanced nuclear reaction equation

Write, using correct notation, the balanced nuclear reaction equation for each of the following:a. Electron capture by 93/43 Tc

  Compute the value of grxn in a biological cell

Calculate the value of ?Grxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.20 mM, and [HPO42-] = 5.0 mM.

  What mass of carbon dioxide of lithium hydroxide absorb

What mass of carbon dioxide can 1.00 kg of lithium hydroxide absorb?

  State the tridentate iminodiacetate ligand

Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand . When the monoprotonated form, , abbreviated HA , is added to an aqueous solution of Cu2+,

  State 3 dimensional structures of meso-stilbene dibromide

write three dimensional structures of meso-stilbene dibromide and one enantiomer of dl-stilbene dibromide

  How many grams of pbi2 should form

A 99.8mL sample of a solution that is 12.0% KI by mass(d=1.093g/mL) is added to 96.7mL of another solution that 14.0%Pb(NO3)2 by mass (d=1.134g/mL). How many grams of PbI2 should form.

  State the reaction that would occur between hcl and nahco3

the reaction that would occur between HCL and NaHCO3 using curved arrow notation. Show all nonbonded electrons.

  State potassium hydrogen tartrate is neutral and basic

Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 26.0 mL of 0.0300 M acetic acid. 2) Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 36.0 mL of 0.0400 M H2SO4 (forming Na2SO4 and water)

  The different colors found in the equilibra in methyl orange

Use Le Chatelier's principle to explain the different colors found in the equilibra in Methyl orange

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd