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When 12.0 mL of a 2.89E-4 M barium acetate solution is combined with 18.0 mL of a 5.24E-4 M sodium carbonate solution does a precipitate form?
The initial mass of a radioisotope is 10.0g. If the radioisotope has a half-life of 2.75 years, how much remains after four half-lives?
A rigid cylinder with a movable piston contains a 2.0-liter sample of neon gas at STP. What is the volume of this sample when its temperature is increased to 30.°C while its pressure is decreased to 90. kilopascals.
chromatogram for the presence of compounds other than isopentyl acetate. Explain the presence of any additional compounds
Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 17?C.
The ionization energies of rubidium and silver are 4.18 and 7.57 eV, respectively. Calculate the ionization energies of an H atom with its electron in the same orbitals as in these two atoms and account for the difference in values
A reaction mixture initially contains 2.8M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6 ?
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
Use the Nernst equation to calculate the expected potential in the battery in parts 2(d) and 2(e) when the following concentrations are present: [Cr2O72?] = 3.7 x 10?3 M ; [Cr3+] = 0.0112 M
Explain, why you used sulfuric acid in the experiment, not HCl. (3) Give the structures and names (including description of stereochemistry) of three alkenes produced in dehydration of 3-methyl-3-pentanol.
If a solution containing 54.368 mercury(II) perchlorate is allowed to react completely with a solution containing 15.488 g of sodium sulfate, how many grams of solid precipitate will be formed?
Determine the limiting reactant if 140 grams of Calcium phosphate combines with 3.63 mol of sulphuric acid and also explain how many moles of calcium sulphate can be obtained?
The system H2 (g) + I2 (g) ?? 2 HI(g) is at equilibrium at a ?xed temperature with a partial pressure of H2 of 0.200 atm, a partial pressure of I2 of 0.200 atm, and a partial pressure of HI of 0.100 atm.
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