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A 35.0 mL solution of 0.095 M CaCl2 is mixed with 25.0 mL of 0.0012 M BaCl2 if KF is slowly added which flouride salt will precipitate first? Calculate the concentration remaining in solution of the cation that first precipitates when the second fluoride salt begins to precipitate.
A sample of soil from a newly discovered cave is analyzed by a team of explorers. They find an element that is a good conductor of electricity. It also forms a chloride in the form XCl2 and an oxide in the form XO.
the NERNST equation is used to predict the impact of concentration on the cell potential. What value of slope does the Nernst equation predict for a plot of Ecell vs. log(cu2+ conc ratio)
A solution of 5.36 g of a molecular compound dissolved in 76.8 g benzene (C6H6) and has a boiling point of 81.46oC. What is the molar mass of the compound
In photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?
What volume will it occupy at each of the following temperatures if the pressure and number of moles are constant
producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
The solubility of zinc oxalate is 7.9 x 10-3 (exponential 3)M at 18 degrees celsius.Calculate its Ksp. Find the pure molar solubility of BaCrO4(Ksp=2.1x10(-10 Exponentially ) in a) pure water and b) 1.5 x10(-3 exponentially) M Na2CrO4.
Consider the combustion of ethane 2C2H6 + 7O2 yields 4CO2 + 6H2O If the ethane is burning at the rate of 0.1 mol/L*s, at what rates are CO2 and H2O being produced?
What is the half-life of a compound if 60. percent of a given sample of the compound decomposes in 54 min
What is the IUPAC name of propyl butly ketone. a. the root name is based on the longest chain which contains the carbonyl carbon b. the oxygen atom is never bonded to the C-1 c. both (a) and (b) d. neither (a) nor (b)
In the manufactoring of computer chips, cylinders of silicon are cut into thin wafers that are 3.00 inches in diameter and have a mass of 1.50g of silicon. How thick, in milimeters( mm) is each wafer if silicon has a density of 2.33 g/cm3. The..
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy
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