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Calculate the pH of the following solution: A solution prepared by mixing 10.00 mL of 0.500 M acetic acid with 0.353 g of sodium acetate (NaCH3CO2) and diluting to 250.00 mL
An acqueous solution of Kl has a freezing point of -1.80 C and an osmotic pressure of 26.0 atm at 25.0C. Assume Kl completely dissociates in water. What is the density of the solution
hydrogen peroxide is a powerful oxidizing agent used in concentrated solution in rocket fuels and in dilute solution as
calculate the concentration of all soluble Hg(II) species. Which Hg(II) species is most prevalent? Assume there are no solids present, that the major ligands present are Cl- and OH-, and ignore activity corrections.
What happens to the solubility of an ionic compound as ionic strength of the solution increases up to ~0.5 M)? Why is there a correlation between the solubility of an ionic compound and the ionic strength of the solution?
Th-232 has a half-life of 1.39 x 10^10 years old. A certain rock has a Pb-208/Th-232 mass ratio of 0.25/1.00. Estimate the age of the rock.
Nitrous oxide gas is used by some denatl practitioners as a anesthetic. Nitrous oxide can be produced in small quantities in the laboratory by cardful heating of ammonium nitrate. Write the unbalanced chemical equation for the reaction.
Calculate the temperature change which will be caused by the following process: 0.640 moles of NH4Cl are dissolved in 1.00 L of water.
Describe Lavoisiers experiment with mercury. How does this experiment show the law of conservation of mass
What mass of iron is needed in order to supply the energy needed to warm 15.0mL of water (d= 1.00 g/cm3) from 23C to 37C
What would be the absorbance expected if th sample is diluted toa concentration of 0.040 M? Explain. B) What would be the absorbance expected if the path length of theoriginal solution is decreased to 0.10 cm? Explain.
2-methylbenzamide and 3-nitrobenzoic acid both have a melting point of 140.1 - 140.4 degc. however if you mixed them
What is the mass in grams of CO2 that would be produced if 52.0 g of C5H8O4 were allowed to react completely in excess oxygen?
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