Monday
March 27, 2017

Number of results: 1,717

chemistry
The solubility of the oxidizing agent potassium permanganate is 7.1 g per 100.0 g of water at 25° C. What is the mole fraction of potassium permanganate (KMn04) in this saturated solution? What is the molality of the potassium permanganate solution?
March 14, 2008 by thanh

Chemistry
I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't know if that if how it ...
November 28, 2012 by Zach

Chemistry
I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't know if that if how it ...
November 28, 2012 by Zach

chemistry
Mildy basic potassium permanganate reacted with 1.25g of contaminated zinc granules to produce zinc hydroxide and solid manganese(iv)oxide.suppose 20.5ml of 0.050Molar of potassium permanganate completely reacted with contaminated zinc granules,how many moles of potassium ...
December 21, 2011 by sister ruth

chemistry
Titration of 50.00 mL of 0.0521 M sodium oxalate, Na2C2O4, required 38.71 mL of a potassium permanganate solution: 5 C2O42- + 2MnO4- + 16H+ = 2Mn2+ + 10 CO2 + 8H2O Calculate the molarity of the potassium permanganate solution.
June 23, 2012 by mary

Science
To determine the mass percentage of an iron sample, the dissolved sample [iron exists at the start as iron(II)] was titrated with potassium permanganate (permanganate forms manganese(IV) oxide.)If 22.25 cubic cm of 0.0123 potassium permanganate, what is the mass percent of ...
May 2, 2011 by Anna

Chemistry
Potassium permanganate, KMnO4, a common oxidizing agent, is made from various ores that contain manganese (IV) oxide, MnO2. The equation shows the net reaction for one process that forms potassium permanganate 2MnO2+2KOH+O2=2KMnO4+H2 Explain why the oxygen gas is in excess
November 15, 2016 by Marissa

chem
The following equation describes the oxidation of an acidified solution of sodium oxalate (Na2C2O4) by potassium permanganate(KMnO4) 5C2O4 + 2MnO4 + 16H2SO4 --> 10CO2 + 2Mn + 16HSO4 + 8H20 What volume of 0.127M sodium oxalate in sulphuric acid will react with 3.57g of ...
April 7, 2009 by tomi

Chemistry
A 16.48 g sample of potassium permanganate is dissolved in a 250.0 mL volumetric flask. A 125.1 mL sample of the potassium permanganate solution is added to 75.3 mL of 5.110 M hydrobromic acid in which 32.3 mL of ethanol has been dissolved (d = 0.7891 g/mL) in 3.337 L sealed ...
December 15, 2010 by Millie

chemistry
This equation decribes oxidation of acidified solution of sodium oxalate(Na2C2O4) by potassium permanganate(KMnO4): 5 C2O4^2- + 2Mn04^- + 16H2SO4 to produce 10Co2 + 2Mn^2- + 16HSO4^- + 8H2O. what volume of 0.127M sodium oxalate in sulphuric acid will react with 3.57g of ...
February 6, 2014 by Temmick

Chemistry
Potassium permanganate, KMnO4, a common oxidizing agent, is made from various ores that contain manganese (IV) oxide, MnO2. The equation shows the net reaction for one process that forms potassium permanganate 2MnO2+2KOH+O2=2KMnO4+H2 What is the maximum mass, in kilograms, of ...
November 15, 2016 by Marissa

AP CHEM
Please help me with thses AP CHEM homework problems and show the steps to how to find the solutions: Solid Liquid Titrations: Determine the concentration of the indicated liquid unknown given the mass of a solid standard and the buret data for the titration. #35) What is the ...
July 31, 2008 by shylo

Chemistry
The potassium salt of benzoic acid, potassium benzoate, KC7H5O2, can be made by the action of potassium permanganate on toluene, C7H8. C7H8 + 2 KMnO4 --> 2MnO2 + KOH + H2O If the yield of potassium benzoate cannot be realistically be expected to be more than 71%, what is ...
June 3, 2014 by Veronica

chemistry
ou weigh out Potassium Permanganate, Mass of KMnO4 (MW=158.034).......... 0.1569 g You dissolve it completely in water.......... 46.00 mL (a) Molarity of MnO4- solution........................... ________________ M You pipet out your UNKNOWN............. 0.90 mL You acidify ...
July 26, 2013 by faruk

chemistry
ou weigh out Potassium Permanganate, Mass of KMnO4 (MW=158.034).......... 0.1569 g You dissolve it completely in water.......... 46.00 mL (a) Molarity of MnO4- solution........................... ________________ M You pipet out your UNKNOWN............. 0.90 mL You acidify ...
July 27, 2013 by faruk

Chemistry
A 0.1818 g sample of sodium oxalate required 28.12 ml of a potassium permanganate solution to reach the endpoint (assume the reaction was carried out in excess acid). A 5.000 g sample of tin (II) sulfate containing potassium sulfate as an impurity was found to require 35.00 ml...
October 31, 2015 by Anonymous

Chemistry
When nitrogen dioxide is bubbled through a solution of potassium permanganate, the solution turns colorless. Which of the following statements is true? Question 3 options: 1) The test reveals that nitrogen dioxide is a colored gas. 2) The test reveals that nitrogen dioxide is ...
February 8, 2017 by Carley B.

chemistry
grams of potassium permanganate are in 2.58 moles i don't get it ? help
December 4, 2014 by danii

chemistry
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium sulfate is added, a ...
April 11, 2012 by bill

Chemistry
How do I find how many moles are in 0.204 M potassium permanganate?
March 30, 2010 by Meg

Is anyone here a chemistry genuis?
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium sulfate is added, a ...
April 9, 2010 by timmy

chemistry/HELP PLLEASE
can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water
February 18, 2011 by joy

chemistry/help
can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(III)sulfate and manganese(II)sulfate and potassium sulfate and water.
March 13, 2012 by joseph

Chemistry
write out the balanced equation when Iron(II) sulfate, potassium permanganate, and sulfuric acid react to form Iron (III) sulfate, manganese (II) sulfate, Potassium sulfate, and water.
October 14, 2013 by Jane

chemistry
can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water
February 18, 2011 by joy

chemistry
1.why is potassium permanganate used in the process of distillation of water?
September 28, 2010 by surya

Chemistry
An iron nail with a mass of 0.750 g was dissolved in dilute sulfuric acid and diluted to 100.0 mL volume. A 10.0 mL aliquot of this solution was then titrated with standard 0.200 M potassium permanganate solution, according to the following equation: MnO4- + H+ +Fe2+ --> ...
January 3, 2016 by Marina

chemistry
the formula for propene reacts with water using potassium permanganate as a catalyst
December 15, 2007 by Renee

chemistry
I have 50mL of0.2M of potassium permanganate solution.What is the Molarity of KMnO4?
February 5, 2010 by linda

Chemistry
How many mL of 0.024M KMn04 (Potassium Permanganate) is required to react with 20mL of 0.112M Fe2+?
May 29, 2011 by Joe

can someone please help me balance this equation?: potassium permanganate reacts with iron(II)sulfate and sulfuric acid to produce iron(II)sulfate and manganese(II)sulfate and potassium sulfate and water
February 18, 2011 by joy

Lab/Chemistry
In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with potassium permanganate. I...
February 26, 2014 by Tricia

chemistry
what possible chemicals can test the presence of limonene except bromine water and potassium permanganate?
February 6, 2013 by marlo

chemistry
what are the precautions taken while preparing tris(acetylacetonato)-manganese 3 from potassium permanganate and acetylacetone.
August 18, 2015 by elina

In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with potassium permanganate. I...
February 26, 2014 by Tricia

Chemistry
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium sulfate is added, a ...
September 19, 2014 by Aaron

Chemistry
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium sulfate is added, a ...
September 19, 2014 by Aaron

Organic chemistry
What kind of reaction is occurring between potassium permanganate and cyclohexene? (I.e. Combination, double displacement, etc.
January 29, 2015 by Hannah

Chemistry
Hello everybody, I'm told that potassium permanganate is dissolved in an aqueous buffer of ammonia and ammonium at equal concentrations (1M), and treated with 1M sodium hypochlorite, the permanganate ion is reduced to insoluble manganese dioxide as the hypochlorite ion is ...
July 18, 2007 by John Peterson

Chemisty
Based on equation: 2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2 A 50.0 mL solution of hydrogen peroxide of unknown concentration was diluted with 1.00L of water. 25mL of this diluted solution was then titrated with acidified potassium permanganate; 20.25mL 0f 0.02 ...
September 23, 2015 by Bree

Chemistry
This is a back titration question and I'm struggling with it :/ So if you can help me, that would be very appreciated :) Q. A sample of steel wool was dissolved in excess sulfuric acid. The resulting solution (FeSO4 aq) was then titrated with potassium permanganate. 26.5mL of ...
February 27, 2013 by Rapunzel

chemistry
What is the equation for the oxidation of beta carotene using hot concentrated potassium permanganate solution? How many ketone molecules will the product have?
March 10, 2015 by sindhu

Chemistry
When calcium oxelate is treated with an acidic solution of potassium permanganate, the following reaction occurs: CaC2O4(s) + MnO4-(aq) = Ca+2(aq) + CO2(g) + Mn+2(aq) Balance the equation.
October 16, 2010 by Sheila

Phamacy math
One teaspoonful diluted to a quart results in a 1/5000 solution. What is the amount of potassium permanganate in grams required to fill this prescription?
September 21, 2012 by Nick

Chemistry
Describe in detail how you would make 1.25 of 0.125 M potassium permanganate solution. I think you have to set up an equation for molarity but I'm not sure. Please help.
October 15, 2016 by Johnathan

chem
why is it necessary to heat the oxalic acid solution before titrating it with the potassium permanganate solution

Chemistry
How many moles of potassium permanganate is necessary to oxidise o.5 moles of soadium sulphate in acid medium
August 27, 2016 by Anonymous

chemistry
Question: When a pink aqueous solution of potassium permanganate, faintly acidified with dilute sulfuric acid was treated with 10% aq. hydrogen peroxide, the reaction took place with the evolution of gas bubbles, and the pink solution was turned colorless. Further chemical ...

Chem
1. If 36.23 mL of potassium permanganate solution is required to titrate 1.041 g of FAS (FeSO4(NH4)2SO4 * 6 H2O, molar mass = 342.0 g), calculate the molarity of KMnO4.
March 10, 2008 by Chris

pharm chem-dilution
prepare a 50ml of potassium permanganate solution such that 10ml diluted to 250ml will produce a 1 in 2000 solution
February 16, 2013 by oluchi

pharm chem-dilution
prepare a 50ml of potassium permanganate solution such that 10ml diluted to 250ml will produce a 1 in 2000 solution
February 16, 2013 by oluchi

chem
calculate the volume of water that can be treated if 50 g of potassium permanganate is added to the system. Assume that the concentrated iron (II) ions in well water is 5.0ppm
April 3, 2013 by shyanne

chemistry help!
Potassium has an atomic mass of 39.10amu. a sample of potassium is made up of isotopes potassium-39 (mass=38.964) and potassium-41(mass =40.962 amu). What percentage of the potassium sample is potassium-39? what percent of the sample is potassium-41?
October 20, 2011 by Skylar

chem
How many grams of potassium permanganate (KMnO4) should be added to a 100 mL volumetric flask to prepare a 0.02505 M solution when the flask is diluted to the mark with water?
May 18, 2011 by Amber

Chemistry Problem
A student proposes to use visible spectroscopy to measure the kinetics of the permanganate/oxalic acid reaction. The initial permanganate solution was very dark. For a 1 cm sample cell, the absorbance A = 2,500[MnO4]. As a practical rule of thumb, Beer's law is only accurate ...
January 22, 2013 by Amy

chemical test
I'm going to do the Baeyer test (Pottasium permanganate) Instructions say to disslove 25mg of unknown or 2 drops of liquid unknown in 2ml of 95% ethanol. Slowly add 1% aqueous solution (weight/volume) of potassium permanganate, drop by drop with shaking, to the unknown. In a ...
December 2, 2007 by ~christina~

Chem Lab
Suggest another possible oxidising agent and reducing agent that can be used to replace potassium permanganate & iron (II) ammonium sulphate haxahydrate in experiment Redox Titration
February 9, 2012 by Wei AZ

chemistry
What is the mass of the organic product between 2M solution of cyclohexene and 45% solution of potassium permanganate? The volumes of the solutions are the same and equal to 45mL. All needed densities are approximated to 1g/cm3.
April 13, 2011 by jls9119

AP Chemistry
redox reaction: Hydrogen peroxide is added to an acidified solution of potassium permanganate. what is the total redox reaction?
September 23, 2013 by Gabriella

Chemistry
What would the equation be for the reaction between potassium permanganate and cyclohexene. I know it's a oxidation reaction but not sure of the equation.
February 28, 2011 by Lizzy

chemistry
Which one of the following will have the greatest number of moles of potassium ion: 10.0 mL of .10 M potassium hydroxide, 30.0 mL of 0.15 M potassium carbonate, or 25.0 mL of 0.080 M potassium phosphate
July 31, 2011 by lori

Chemistry
HELP! I need to know if I am getting the right equation for the oxidation reaction of cyclohexene and potassium permanganate? I think it would be: C6H10+KMNO4 would become C6H10(OH) + MNO2 + K
March 1, 2011 by Lizzy

Chemistry
Would heating a tertiary alcohol change its structure and reaction with hydrochloric acid and potassium permanganate (KMnO4)? Tertiary alcohols resist oxidation, but can be oxidised by reagents such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone.
October 9, 2006 by Laura

Chemistry
Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the amount of excess reactant after the reaction of 7.24g KMnO4 and 10.32g H2SO4? 4KMnO4+6H2SO4 = 2K2SO4 +4MnSO4 +6H2O + 5O2
September 14, 2010 by Missy

Chemistry
How do I write the formula for the following compounds? 1.potassium permanganate 2.chromium (VI)cyanide 3. tin (II) sulfite 4. vanadium (V)fluride 5. ammonium nitrate Can you help me figure these out i am having a hard time trying to work the problems out
December 9, 2008 by Ashley

Chemistry
Potassium permanganate (KMnO4) solutions are used for the determination of iron in samples of unknown concentration. As a laboratory assistant, you are supposed to prepare 700. mL of a 0.200 M KMnO4 solution. What mass of KMnO4, in grams, do you need?
March 9, 2014 by Mark

chemistry
If 26.223 mL of potassium permanganate solution is required to titrate 1.041 g of ferrous ammonium sulfate hexahydrate, { FeSO4(NH4)2So46H2O }, calculate the molarity of the KMno4 solution. and the equation the lab gave me was Mn04(-) + 8H(+) + 5Fe(+2) ----> Mn(2+) + 4H2O...
March 11, 2008 by chris

chemistry
One purpose of adding KIO4 is to prevent the permanganate ion from being slowly reduced to Mn+2 by H2O. Write a balanced redox equation for the reduction of permanganate ion to Mn+2 by water in acid solution.
February 23, 2012 by ella

chemistry
Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the excess reactant after the reaction of 7.60 g KMnO4 and 10.32 g H2SO4. 4 KMnO4 (aq) + 6H2SO4 (aq) + 2K2SO4 (aq) + 4MnSO4 (aq)+ 6H2) (l) + 5O2 (g) I have no idea where to start or what...
September 19, 2009 by Some kid

chemistry
prepare M/20 solution of oxalic acid. Find out the molarity and strength in gram per litre of the given solution of potassium permanganate with the help of the prepared solution of oxalic acid
April 5, 2011 by sidd

Chemistry a level
A solution of potassium permanganate (KMnO4) was standardised by titrating with 0.20 g of Na2C2O4 dissolved in 50 cm3 of acidified water. The endpoint was reached after 23.10 cm3 of solution had been added. Calculate the molar concentration of KMnO4 in the solution.
October 16, 2016 by Rob

Chemistry
A solution of potassium permanganate (KMnO4) was standardised by titrating with 0.1908 g of Na2C2O4 dissolved in 50 cm3 of acidified water. The endpoint was reached after 24.50 cm3 of solution had been added. Calculate the molar concentration of KMnO4 in the solution.
October 17, 2016 by Anonymous

Chemistry
A solution of potassium permanganate (KMnO4) was standardised by titrating with 0.1908 g of Na2C2O4 dissolved in 50 cm3 of acidified water. The endpoint was reached after 24.50 cm3 of solution had been added. Calculate the molar concentration of KMnO4 in the solution.
October 17, 2016 by Anonymous

Chemistry
Need Help On This Question.! Potassium chloride reacts with bromine forming potassium bromide plus chlorine. If 500g of potassium bromide are produced, how many grams of potassium chloride reacted?
December 4, 2010 by Jacky

Chemistry
write 2-3 sentences describing and identifying the type of chemical reaction that occurs when Fe^2+ reacts with potassium permanganate and specifying the type of solution required for the reaction to occur I don't know what type of reaction this is or what other solution is ...
January 16, 2015 by Morgan

chemistry
A 5.000 gram sanple of dry mixture of potassium hydroxide, potassium carbonate and potassium chloride is reacted with 0.100L of 22.0 degrees Celsius and 740.0 torr,is obtained from this reaction. What was the percentage of potassium carbonate in the mixture?
May 4, 2016 by Chansa

Chemistry
Which of the following aqueous solutions are good buffer systems ? . 0.26 M hydrochloric acid + 0.24 M potassium chloride . 0.14 M acetic acid + 0.20 M potassium acetate . 0.16 M potassium hypochlorite + 0.23 M hypochlorous acid . 0.31 M hydrocyanic acid + 0.28 M potassium ...
February 26, 2011 by Chris

Chemistry 112
Calculate the MnO4- concentration of the diluted sample when the sample is prepared in the following manner: Add 2 drops oxalic acid, 4 drops permanganate and 8 drops water. The original permanganate is 0.25M. I don't understand how to do this, any help would be appreciated.
January 25, 2017 by Aiyana

Chemistry
Predict the most likely redox reaction and use the spontaneity rule to predict whether the reaction will occur spontaneously. 1. An aqueous solution of potassium permanganate was reacted with an acidic solution of sodium bromide and an orange-born substance was formed. Can ...
February 27, 2008 by Alex

Chemistry
You are given potassium carbonate solid and potassium sulfate. Both are white solids. How would you separate potassium carbonate and potassium sulfate?
April 20, 2015 by Anonymous

Chemistry
In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 -> 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What volume of .0239 M...
February 28, 2016 by Kaley

Chemistry 400/ Chem 1A
A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as follows: 4 KMnO4 + 5 C2H5OH + 6 H2SO4 ---> 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H20 What mass of sulfuric acid is consumed in this reaction, assuming that...
September 15, 2014 by Joey

Chemistry
What colors would you expect to see in a flame for the following compounds: potassium chloride, potassium nitrate, and potassium sulfate. Explain your answer
April 8, 2010 by Sarah

Chemistry
Name the following ionic compounds: a. Li2O Lithium Oxide b. NaClO Sodium Hypochlorite c. Sr(CN)2 Strontium Cyanide d. Cr(OH)3 Chromium Hydroxide e. Fe(CO3)3 Iron (III) Carbonate f. Co(NO3)2 Cobalt Nitrate g. (NH4)2SO3 Ammonium Sulfite h. NaH2PO4 Sodium Dihydrogen Phosphate i...
September 16, 2009 by Anonymous

CHEM - PLS help!!
What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11 OH). Would the solution become saturated or not??? What would the colour change be...if any?? Would a precipitate be formed?? Same as above if you ...
February 25, 2008 by K

Chem
18) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. A) write a chemical equation, using words, to represent the above chemical reaction. My answer: chlorine + potassium bromide ==> potassium chloride and bromine ( I'm pretty sure this is ...
September 7, 2015 by Sara

Chemistry2
12.) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. a.) write a chemical equation, using words, to represent the above chemical reaction. Answer: Chlorine + potassium bromide ==> potassium chloride + bromine (Is this correct?) b) Suppose 4...
September 9, 2015 by Sam

CHEMISTRY
Write the net ionic equation for the reaction between...(and MUST INCLUDE STATES, please post answers to all so i can verify if im correct and explanation to one of them) a) potassium hydroxide and copper(I) nitrate b) potassium sulfite and lead(II) nitrate. c) lead(II) ...
April 6, 2014 by NEED HELP PLEASE!!!

Chemistry
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution of H2O2. What is the ...
July 3, 2014 by Brett

Chemistry
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution of H2O2. What is the ...
July 3, 2014 by Dan

Chemistry
Potassium oxide reacts with water to produce of potassium hydroxide. Please provide a balanced equation, and determine how much potassium oxide is needed to produce 80.5g of potassium hydroxide?
April 5, 2016 by Nicole

chemistry
In a volumetric analysis experiment, a solution of sodium oxalate (Na2C2O4) n acidic solution is titrated with a solution of potassium permanganate (KMnO4) according to the following balanced chemical equation: 2KMnO4(aq)+8H2SO4(aq)+5Na2C2O4(aq)-> 2MnSO4(aq)+8H2O(l)+CO(g)=...
November 17, 2014 by Monteshia

Organic Chemistry
What is/are the product(s) of the potassium permanganate reaction with (R)-4-methyl cyclohexene? Is the product a meso molecule, racemic mixture, or other mixture, and if so, what kind of mixture? If the product is a mixture, do you expect the compounds to have the same or ...
October 31, 2010 by Anonymous

Chemistry
What is the balanced net ionic equation for the reaction between the permanganate ion and the ferrous ion in acid solution. What is the number of moles of ferrous ion that could be oxidized by 1.2×10^-2 moles of permanganate ion? Honestly don't understand a single thing this ...
October 4, 2015 by Minset

Chemistry
A solution of hydrogen peroxide, H2O2 , is titrated with potassium permanganate, KMnO4 , according to the following equation: 5 H2O2 + 2 KMnO4+ 3H2SO4 -> 5O2 + 2 MnSO4 +8H2O + K2SO4 It requires 46.9mL of 0.145 mol/L KMnO4 to titrate 50.0 mL of the solution of H2O2 . What is...
March 30, 2008 by Brenan

Chemestry
A 5.000g sample of a dry mixture of potassium hydroxide, potassium carboate and potassium chloride is reacted with 0.100 L of 2.00-molar HCl solution. A 249.0 mL sample of dry carbon dioxide gas, measured at 22.0 degree Celsius and 740.0 torr, is obtained from this reaction. ...
May 13, 2016 by Catherine

chemistry help plz
A potassium permanganate solution containing 1.58g of KMnO4 per liter is added into 5 ml of an acidified iron (||) sulfate solution. Decolorizing of KMnO4 solution has been added .Calculate the mass of FeSo4.7H2O which has been dissolved in one liter of solution.
January 17, 2016 by cynthia

AP CHEMISTRY
Please could you help me predict the products of the following reactions: ( I cant figure them out) THANX in advance! 1) CaO powder is added to distilled water. 2) Acetic acid solution is added to solid sodium hydrogen carbonate. 3) Potassium permanganate solution is added to ...
May 27, 2012 by DAN

chemistry
A potassium permanganate solution containing 1.58 g of KMnO4 per liter is added into 5 ml of an acidified iron (||) sulfate solution .Decolorizing of KMnO4 solution ceases when 10ml of the solution has been added. Calculate the mass of FeSo4.7H2O which has been dissolved in ...
January 17, 2016 by angy

Chemistry
when 2 moles of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at a constant pressure and temperature, 78.0 kj of heat is given off. write a thermodynamic equation for this reaction.I don't know how to set up the equation i know that for ...
October 16, 2014 by Cynthia

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