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Suppose 7.17 g of barium acetate is dissolved in 350.mL of a 79.0mM aqueous solution of sodium chromate.Calculate the final molarity of barium cation in the solution. You can assume the volume of the solution doesn't change when the barium acetate is dissolved in it.Round your answer to 1 significant digit.
what is w per mole for a reversible isothermal expansion of an ethane from 5-10 lmol at 298k assuminga ethane is an
question what is the magnitude and sign of the molar heat of vaporization of butane? explain using hesss law. is your
Describe the apparent relationship between H3O and OH concentrations when an endpoint is reach in acid-base titration.
suppose 2.3754g of copper(II) sulfate pentahydrate is heated to drive off the water of crystallization. Calculate what weight of anhydrous salt will remain?
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
What is the rate law for this reaction. What is the value of the rate constant. How many seconds would it take for the total pressure to be 0.7133 atm
Calculate pFe2 at each of the following points in the titration of 25.00 mL of 0.02138 M Fe2 by 0.03645 M EDTA at a 7.00 pH: a) 11.00 ml pFe2+ =? b) the equivalence point Ve pFe2+=? c) 20.00 ml pFe2+=
If the gas composition is 65% methane (CH4) by volume and 35% carbon dioxide (CO2) by volume, what mass, in kg, of each compound would be held within the container just at the release pressure
Two balloons are kept at room temperature and pressure, one holding Br2 gas, and one holding He gas. Each balloon is occupying 1.0 L at 273 K and 1 atm of pressure. If R = 0.0821 L*atm/mol*K, what is the:
The standard change in Gibbs free energy is dekta G° = -69.0 kJ/mol. What is delta G for this reaction at 298 K when the partial pressures are-
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor pressure
The initial temperature of both solutions is 23.2°C. The resulting mixing temperature after the reaction is 26.3°C. The calorimeter constant is 27.8J/°C. Write the balanced chemical equation and calculate the amount of heat released by the experim..
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