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0.10M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.05 M Ba(NO4)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10^-12 and 1.2 x 10^-10 respectively.
a particle with positive charge q = 6.40 x 10-19 C moving with speed v = 8.13 x 105 m/s toward a long straight wire with current i = 229 mA, What is the magnitude of the force on the particle due to the current
City of Charlottesville 2010 Annual Comprehensive Plan
A certain nuclear power plant is capable of producing 1.3×109 W of electric power. How much mass is converted per hour if the efficiency of the plant is 29 percent
An ideal gas is contained in a cylinder with a volume of 5.0x10^2 mL at a temperature of 30. degrees C and a pressure of 710. torr. The gas is then compressed to a volume of 18mL, and the temperature is raised to 818 degree C. What is the new pres..
Liquid water at 453K and 1002 kPA has an internal energy of 762 kJ/kg and a density of 890 kg/m^3 a) what is the enthalpy (per weight)? b) We change the state to 573K and 1500 kPA. The internal energy is now 2784 kJ/kg and the specific volume 169.7 c..
Enter question here...A 100g on object is suspended from a spring. When 40 g are added the soring stretches an additional 5.0 cm. What is the angular frequency and period of the oscillations
Why is the not-for-profit sector of the economy important?
Sodium and water react according to the equation 2Na +2H2O=>2NaOH + H2. What number of moles of H2 will be produced when 4.0 mol Na is added to 3.3 mol H2O
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 72 cm and is wrapped around the top at a place where its radius is 2.3 cm. The thickness of the string is neg..
How is HR structured in your organization?
Compare the stability of two conjugated dienes, and two nonconjugated dienes, each with the formula C7H12 and the base name hexane. Which type is the most stable and which is the least stable according to your data
A certain reaction between a weak acid (boric acid) and a strong base (sodium hydroxide) has an equilibrium point at a pH of approximately 11. From what you know about indicators, which indicator would be best to use to tell when neutralization ha..
What is the best oxidizing agent of these four? Could provide an explanation
What is the volume required of a 0.2 M KOH solution to reach the half equivalence point in titrating 25 mL of a 0.1 M HCO2H.
consider the following reaction. h2og cog h2g co2g in a particular experiment 1.0 mol h2og and 1.0 mol cog are put
A second 50ml aliquot was brought to a pH of 10 with an HCN/NaCN buffer, which also served to mask Cd2+; 11.56 ml of EDTA solution were needed to titrate the Pb2+. Calculate the percentage of Pb and Cd in the sample.
The tricky part of this multi step synthesis is the isolation of the neutral p-aminobenzoic acid in the second step. Why is isolation so difficult
What is the %Cu (by mass) in the metal oxide product formed when Cu2CO3(OH)2 decomposes upon heating above 200°C
What can you conclude from these results? -- Need 4 of them because I'm lost. Also, how can I estimate the useful range of a pH meter?
Calculate the maximum concentration in M of silver ions in a solution that contains 0.025 M CO3^2-. The ksp of AG2CO3 is 8.1 x 10^-12
Predict all possible products formed via free radical monochlorination of 3-methylpentane. Calculate the relative product ratios.
You have 250.0 mL of 4.00 M sugar solution. You add 319.7 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
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