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Explain when 225 ml of H2O at 25 C are mixed with 85 ml of water at 89 C, Explain what the final temperature is? Presume that no heat is lost to the surroundings d of H20 = 1.00 g/ml
It takes 46.8 hours for nitrogen-filled balloon to shrink to a quarter of its original volume by effusion though a very small hole. If the same balloon had been filled with helium,
someone investigating the properties of solutions containing carbonate ions prepared a solution containing 5.639g
Calculate the proton motive force across the inner mitochondrial membrane at 25C when the electrical is 0.018V (inside negative) and the pH outside is 6.3 and the pH inside is 7.2
At 25 0C the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol.
The gas phase irreversible first-order reaction A----> 3B , is carried out in PFR where the feed is equal molar in A and inerts. the conversion under these circumstances is 50%.
If 2.50 g of glucose (C6H12O6) are dissolved in 1.00 x 102 mL of solution, calculate the molarity of the glucose solution.
What is the concentration of each of the following solutions? a) The molality of a solution prepared by dissolving 25.0g of H2SO4 in 1.30L of water b) The mole fraction of each component of a solution prepared by dissolving 2.25g of nicotine, C4H1..
One drop of 1N HCl is added to the stirred solution which is heated in a boiling water bath for 5 minutes. on cooling a precipitate is deposited which is collected and recrystallized in absolute alcohol. What is the product of this reaction
An ascorbic acid supplement was analyzed by titrating a 0.1000g sample dissolved in water with 0.0200M NaOH. A volume of 15.20 mL of the base was required to completely neutralized the ascorbic acid. What was the percentage by mass of ascorbic aci..
Cu crystalizes in body center cubic unit cell with an length of 312 pm. Determine the density of Cu in g/cm3. (1pm=10^-12m=10^-10m)
What mass of H2C2O2 is required to prepare 250 mL of a 0.15 M H2C2O4 solution
describe a procedure for measuring the density of a liquid such a t-butanol. your only available tools are a graduated
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