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Consider a buffer made of .1 M hydrofluoric acid and .1 M potassium fluoride with a volume of 450ml. 5 mmol of sodium hydroxide are added to the solution. What are the products of the neutralization reaction that occurs between sodium hydroxide and the buffer solution.
joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high.
Write the balanced molecular, ionic and net ionic equations for the reaction between magnesium and cobalt(II) sulfate. (b) What is oxidized and what is reduced in the reaction?
The mens world record for swimming 1500.0 m in a long course pool is 14 min 34.56 s. how many seconds would it take to swim 0.400 miles
how many grams of calcium hydroxide will be needed to react with 10.0g of phosphate acid(h3PO4). how many grams of calcium phosphate will form?
Diethyl ether comprise a vapor pressure of 401 mmHg (torr) at 180C as well as its molar heat of evaporation is 26.0 kJ/mol define what is its vapor pressure at 32.00C R = 8.314J/K.mol
SCENARIO-BASED PROBLEM - FIXING DIS-FUNCTIONAL ORGANIC CHEMICAL DATA - Name the four functional groups present in the molecule
at a temperature t a previously empty 5.00l flask is prepared by adding 1.20 mol so2 and 1.5 mol of o2. determine the
how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?
Explain what is the final temperature of the block after the evaporation of the alcohol. Presume that the heat required for the vaporization of the alcohol comes merely from the aluminum block as well as that the alcohol vaporizes at 25.
a volume of 18.0 m l contains a mixture of 0.250 mole n2 0.250 mole o2 and an unknown quantity of he. the temperature
Explain what is the half-life of a compound if 50% of a given sample of the compound decomposes in 60 min. Assume 1st-order kinetics in ([A]/[A]o)=-kt=ln2/k
If this system is studied in a piston/cylinder apparatus at 3000K at P(total) = 1.00 atm, from your K value calculate system composition developing from 1.00 mol H2O (g) and no products initally. Show work no artithmetic.
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