A dead alkaline battery is found to contain a compund of mn

Assignment Help Chemistry
Reference no: EM13386022

Determine the empirical formula for each substance.
1. A dead alkaline battery is found to contain a compund of Mn and O. Its analysis gives 69.6% Mn and 30.4% O.
2. A compound is 38.77% Cl and 61.23 %O.
3. Magnetic iron oxide is 72.4 % iron and 27.6% oxygen. 

Reference no: EM13386022

Questions Cloud

The ph of the resulting solution is 80 then you add 40 ml : a compound is a weak acid with a pka of 7.4. you make 100 ml of a 1.0 m solution of this compound. the ph of the
What is the molarity of a solution made by dissolving 00815 : what is the molarity of a solution made by dissolving 0.0815 grams of na2so4 in enough water to form exactly 750. ml of
The absorbance of the new solution was 0500 what is the : an unknown cu2 sample gave an absorbance of 0.262 in an atomic absorption analysis. then 1.00 ml of solution containing
Caffeine is a stimulant found in coffee and tea a solution : caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration
A dead alkaline battery is found to contain a compund of mn : determine the empirical formula for each substance.1. a dead alkaline battery is found to contain a compund of mn and
Locate an article on another company that experienced : locate an article on another company that experienced similar difficulties with mark to market like aig american
In a controlled greenhouse at 300ordmc and 10 atm a crop of : in a controlled greenhouse at 30.0ordmc and 1.0 atm a crop of seedling tomato plants was found to consume 380 l of
At room temperature 20 milk turns sour in about 65 hours in : at room temperature 20 milk turns sour in about 65 hours. in a refrigerator at 3 milk can be stored three times as long
Calculate the energy of the lowest energy photon that b4 : use the equation attached to calculate the energy of e1 e2 e3 and e energy levels of the hydrogen-like boron ion...

Reviews

Write a Review

Chemistry Questions & Answers

  Explain phenylephrine is a nasal decongestant

Phenylephrine is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCL). The conjugate acid (PEH+)

  If i initially have a gas at a pressure of 12 atm a volume

if i initially have a gas at a pressure of 12 atm a volume of 23 liters and a temperature of 200 k and then i raise the

  Calculate the partial pressure of sulfur dioxide

Calculate the partial pressure of SO2. Calculate the partial pressure of Cl2. Calculate the equilibrium constant at this temperature.

  Explain 4-trimethylpentane gives four isomeric monochlorides

Photochemical chlorination of 2,2,4-trimethylpentane gives four isomeric monochlorides. Write the structural formulas for these for isomers. 1. Isomer with a primary chloride and the methyls at the lowest numbering

  What is the purpose of grinding the magnesium

What is the purpose of grinding the magnesium before introducing it into the reaction flask?

  How many tubes of the sunscreen would you prepare

A sunscreen preparation with a density of 2.82 g/mL contains 3.55% by mass zinc(II) oxide. Each tube is filled with 185.0 mL of sunscreen. If you are the manufacturer and use 5.00 lb of zinc(II) oxide.

  Explain averge frequency of light emitted

Averge frequency of light emitted a 100 w lightbulb is 5.5x10^14 Hz. How many photons per second does the light bulb emit?

  Explain pure hydrocholoric acid

How many grams of a 0.30 M solution of hydrocholoric acid would contain 5.2 g of pure hydrocholoric acid? The density of 0.30 M hydrocholoric acid is 1.2 g/mL

  What is the rate constant for this reaction

The rate constant k for a first order reaction is 1.36 * 10 -3 s -1 at 90 degrees Celcius and the activation energy is 78.4 kJ/mol. What is the rate constant for this reaction at 50 degrees Celcius?

  State a microwave oven operates

A microwave oven operates at 2.50GHz. What is the wavelength of the radiation

  Determine the molar concentration of chloride ions

Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.

  Explain molecular chlorine cl2 is a green gas

Molecular chlorine, Cl2, is a green gas. Sketch a few of the rotational, vibrational, and electronic energy levels of Cl2 on the same diagram to relative scale.

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