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you come across a beaker that contains water, aqueous ammonium acetate, and a precipitate of calcium phosphate. write the balanced equation for a reaction between two solutions containing ions that could produce this solution.
Predict which of the following compounds has the greatest lattice energy. A. SCl6 B. AlCl3 C. NaCl D. MgCl2 E. PCl5
A solution of Na3AsO4 is added dropwise to a solution that is 0.0643 M in Bi3+ and 0.000180 M in Cd2+. What concentration of AsO43- is necessary to begin precipitation
The mole fraction of gas A in a mixture is 0.48. If the total pressure of the container is 2.0 atm, what is the partial pressure of gas A?
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
Determine the specific heat capacity in (J/g degrees C) of an alloy that requires 84.2kJ to raise the temperature of 394.0g alloy from 348K to 448K.
A different nonscientist is going to make a new semiconductor III-V solid. But for reasons to discussed later, the scientist is going to use tow different elements for the III-atom part,
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
a 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. the boiling point of this
Predict the predominant alkene product that would form when 2-bromo-2methylpentane is treated with soldium methoxide in methanol.
Based upon your experiences, suggest what would be the result if we heated a mixture of dichloromethane (bp 39-40 Celcius) and nappthalene (C10H8 with mp 80-82 degrees celcius and bp 218) to 60 degrees celcius
How many mole of sodium hydroxide is contained in a lye solution in which 130 grams of sodium hydroxide
an element t burns in air with a blue flame forming white fumes which dissolve in water to form a solution that turns blue litmus paper red(t is not the actual symbol)
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