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Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2; 0.20 M solutions of NaCl, NaBr, NaBrO3, and CuSO4; a 0.40 M solution of NaI; a 0.50 M solution of H2SO4; distilled water; and a 10-mL graduated cylinder (where volumes can be read to the nearest 0.1 mL). Calculate the required quantity of each reagent and the volume of water that must be added for dilution.
a. Chlorine water
b. Bromine water
c. Iodine wate
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbiocide?
The mass of an average blueberry is 0.72 g and the mass of an automobile is 1900 kg. Find the number of automobiles whose total mass is the same as 1.0 {rm mol} blueberries.
How much heat is evolved when 265 g of ammonia gas condenses to a liquid at its boiling point
Chemistry - Other explained in this solution, If world energy consumption continues to rise at the present rate of 2.4%, how long will it take to double (expressed in years)?
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ?C. After the combustion,the temperature is 26.55 ?C.
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
A piece of magnesium with a mass of .2 grams is added to 50mL of 1 molarity of HCL at a temperature of 28 degrees celcius. When the magnesium disolves the solution reache a temperature 46 degrees celcius.
consider a major oil spill in a lake ( a prototype situation related to Alaska Oil Spill few years ago and many subsequent spills) Amount of oil spilled is 2.9 mega gram (Mg).
If the temperature of a sample of gas with an initial volume of 1.75 is increased form 15.0 c to 30.0c, what will the final volume be.
Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. N and Mg
A compound contains 40.00% carbon, 6.67% hydrogen, and 53.33% oxygen. Determine the empirical formula of the compound. Give the chemical formula for calcium phosphate.
Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1)
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