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Depict whether or not a precipitate will form when a solution containing 1x10-2 M Pb2+ ions is added to a 2 x 10-4M solution of I- ions the Ksp of PbI2 is 9.8×10-9
A flask contains 0.230 mols of liquid bromine Determine the number of bromine molecules present in the flask.
Which element will have five electrons in its Lewis symbol? a. argon b. boron
What solute particles are present in an aqueous solution of NH4Cl? Express your answer as a chemical formula. If there is more than one answer, separate them by a comma. Include charges where necessary.
how many grams NaOH must be added to 250mL of .10M HC2H3O2 in order to bring pH to 4.50
How long will it take 10.0 mL of nitrogen gas to effuse through a porous barrier if it has been observed that 89.1 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier
If the following elements were to form ions, they would attain the same number of electrons as which noble gas.
What is the half-life of a compound if 89 percent of a given sample of the compound decomposes in 56 min? Assume first-order kinetics.
The second virial coefficient B and the third virial coefficient C for A are -0.021 L/mol and 0.0012 L^2/mol^2 at 273 K respectively. By what percentage does the compressibility change
When 4.00g of hydrogen nuclei fuse to form helium in the sun, 0.0265g of matter is converted into energy. Given that the speed of light = 3.00x10^8 m/s and that a jolue = kg*m^2/s^2, calculate how much energy is given off.
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
The following reaction is investigated (assume an Ideal gas mixture)2N2O(g) + N2H4(g) 3N2(g) + 2H2O(g), Initially there are 0.10 mol of N2O and 0.25 mol of N2H4 in a 10.0-l container, If there are 0.50 mol of N20 at equalibrium, how many moles o..
Perform the calculatons for the extraciton of 100 mg of P in 300mL of water with three 100-mL portions of ether. assume the partition coefficient is 3.5
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