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Barium sulfate is relatively insoluble in water. At 25 degrees Celsius, only 244 mg will dissolve in 1 L of water. What volume is needed to dissolve 2 g of barium sulfate?
The mole fraction of calcium chloride in water is 0.326. Explain how many grams of calcium chloride are present in 30.0 g of an aqueous solution
The equilibrium constant has a value of 0.30. Assume 0.20 mol of A and 0.50ml of B are dissolved in 1.00L and the reaction proceeds. Calculate the concentration of reactants and products at equilibrium
if a raindrop weighs 65 mg on average and 5.1x10^5 raindrops fall on a lawn every minute what mass in kg of rain falls in 1.5 hours
Write the reaction mechanism for the synthesis of 1-bromobutane from 1-butanol by reaction with sulfuric acid and sodium bromide. (sn2)
Consider a 53.5 g sample of H2O(g) at 117°C. What phase or phases are present when 134 kJ of energy is removed from this sample.
A sample of CO2 gas which weighs 1.62 grams has a volume of 1.02 liters when collected at 20°C. What would be the pressure of the gas sample
What is the percentage purity of your ldh column fraction? 2. How many total mg of ldh are there in your column fraction?
A solution of the weak base, aniline, C6H5NH2, in 25.0 mL of water requires 25.67 mL of 0.175 M HCl to reach the equivalence point. C6H5NH2 (aq) + H3O+ (aq) <---> C6H5NH3+ (aq) +H2O (l) What was the concentration of aneline in the original sol..
What is the theoretical economy of heating A mixture of sodium carbonate and sodium bicarbonate ? sodium carbonate is the desired product and water and carbon dioxide are the undesirable wastes.
in a chemical processing plant glycerin flows over a 1 m long heated flat plate at free-stream conditions v 3 ms and
What are the products of reaction of methyl benzoate, benzoic acid, benzaldehyde, and benzophenone with an excess of a Grignard reagent, RMgBr?
Sketch p bonding orbitals that result from combination of the following orbitals on separate atoms with s bonding along with the z axis; px and px, px and dxz, dxz and dxz.
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