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Given a buret filled with 0.12M acetic acid and a second buret filled with 0.15M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.0mL of a solution with a pH of 4.73?
A sample of gas contains four gases (He, Ne, Ar, and Xe) with the following partial pressures: He (43 mm Hg), Ar (835 mm Hg), and Xe (111 mm Hg). If the total pressure in the container is 1355 mm Hg, what is the partial pressure of Ne in the sampl..
When a solution is formed by mixing solute B with solvent A, the vapor pressure of A falls to 80% of its value for the pure solvent. What is the composition of the solution
A 95.0 gram piece of ice at 0.0 degrees celcius is added to a sample of water at 8.0 degrees celcius. All of the ice melts and the temperature of the water decreases to 0.0 degrees celcius. How many Kg of water were in the sample?
Write balanced chemical equations for the following reactions.
Water expands on freezing. Since water is the principle ingredient in soft drinks when the soft drink freezes it will rupture the can.
Titration of 664 mg of a pure organic carboxylic acid, H2A, showed a rapid change in pH at 40.00 mL and at 80.00 mL of 0.100 M NaOH titrant. When 40.00 mL of NaOH was added, the pH was 5.85, and at 60.00 mL of NaOH the pH was 8.08. What is the mol..
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
A sample of gas occupies 721 mL at 1.00 atm. The pressure is increased to 1.1 atm (the temperature stays the same). What is the new volume of gas in mL?
obtain the positions of the wavefunctions nodes from the roots of the corresponding Hermite polynomial, and (d) from your answers to (b) and (c), sketch the wave functions, indicating nodes and boundary conditions behaviors at +/- infinite in the ..
a mixture of co co2 and o2 is contained within a 275 ml flask at 0c. if the total pressure is 780 torr the co has a
Calculate the amount of heat energy (q) gained or lost when 180g of water is cooled from 65.0*C to 28.5*C. What is the sign of q for this calculation
Determine Ssys separately for the volume and temperature changes and show that ?Ssys = 0 for a reversible adiabatic process.
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