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The use of freons is being phased out because of the damage these compounds do to the stratospheric ozone layer. One of the freons, CCl2F2, is manufactured by reacting carbon tetrachloride with hydrogen fluoride. The other reaction product is hydrogen chloride. What is the yield of this reaction if a manufacturer obtains 155 kg of CCl2F2 from 285 kg of CCl4? (Enter the yield in percent)
It is 69.2here's where I have a problemGiven this reaction yield, how many kg of hydrogen fluoride should be used to make 690 kg of CCl2F2?
What mass of magnesium chloride is needed to react with 145 g of silber nitrate accourding to the following reaction: MgCl2(aq)+2AgNO3(aq) -> Mg(NO3)2(aq) + 2AgCl
Is the efficiency of a carnot engine affected by the heat capacity of the gas. i.e if the heat capacity varies with temperature.
Draw the exo and end product for the reaction of cyclopenadiene and malice anhydride
Acetic acid(HC2H3O3) is an important ingredient of vinegar. A sample of 50.0mL of a commercial vinegar is titrated against a 1.00M NaOH solution. What is the concentration(inM) of acetic acid present in the vinegar
In which solution (acidic, basic, neutral water, or doesn't matter) is potassium bromide most soluble
Calculate the pH of a solution resulting from the titration of 50mL of 0.078M HCl with 25 mL of 0.083M NaOH. Give your answer to two decimal places.
List the factors affecting the rate of lipid oxidation and give the corresponding methods that slowdown lipid oxidation
Aqueous solutions of 30% (by weight) hydrogen peroxide, H2O2, are used to oxidize metals or organic molecules in chemicals reactions. Given that the density of the solution is 1.11 g/mL, calculate the molality, molarity, and mole fraction.
The normal range for the carbonyl group of a carboxylic acid in the IR spectrum is 1725 - 1700 cm-1. Why is the carbonyl group of benzoic acid appear at 1696 cm-1
The surface area of 100 g of glucose > than that of 1 g. give explanation why the solubility does not increase with the amount of solid deposited at the bottom of the flask?
Compare the orbital electronic configuration for K and Rb (s block), Hf and Zr (d block), F and Cl (p block). For each element, which ionic configuration should be the most stable?
what is the global pH change incurred after injection of the HCl? What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
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