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A small coin, initially at rest, begins falling. If the clock starts when the coin begins to fall, what is the magnitude of the coin's displacement between t1 = 0.384 s and t2 = 0.576 s?
1. What is the oxidation number of Sulfur in the ionic compound K2SO4? Explain.
Are all reactants and/or products in a chemical reaction necessarily represented in the equilibrium expression? Why or why not?
Explain the purpose of adding 6 M HCl to the aqueous layer with sodium benzoate. Draw the reaction between sodium benzoate and HCl.
How many grams of SO2 can you make from 11.40g of H2O?
Quinine is used as an antimalarial agent. When 1.28 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.28 °C. The freezing point and Kf constant for cyclohexane is 6.59 and 20.8. Calculate the mo..
Find out the minimum concentration of the precipitating agent on the right to cause precipitation of the action from the solution on the left.
A 17 mL sample of a solution of Li2S was diluted with water to 79 mL. A 60 mL sample of the dilute solution was found to contain 1.3 M Li+. What was the concentration of Li2S in the original undiluted solution
Assume the equilibrium constant for the reaction of a particular alcohol with a carboxylic acid is 4.3. What is the calculated yield of the ester
Number of unpaired electrons in the nitrogen atom
A researcher is interested in studying the effect of vanadium (V) on egg albumen. He wants to supplement the V to 1 metric ton of his laying hen diet at a concentration of 100 ppm.
strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts
If 38.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 36.3 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced
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