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Demonstrate your systemic approach to find the pH of a solution where 1.0 x 10-8 mole of sodium acetate is dissolved in 1.0 L of water. (pKa of sodium acetate = 4.76)
When two atoms form a covalently-bonded diatomic molecule, the distance between the nuclei at which the potential energy is at a minimum is called
If a first-order reaction has a rate constant of 2.11x 10-1s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature was changed to 65.7°C given
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
what is the theoretical yieldwhat is the theoretical yield of sodium thiosulfate pentahydrate when 3.25 g of sulfur is
What should be the final volume of a solution containing 50.5g of solid KMnO4 be in order to prepare a 0.745 M solution
Calculate the concentration of the Na2S2O3 solution if 30.70 mL of a 0.2210 M I2 solution react exactly with a 100.0 mL sample of the Na2S2O3 solution.
A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.035 mL, what volume of gas will be produced in the person's stomach at body temperature (37°C) and a pressure of ..
Give two reasons why the product is concentrated in the distillation flask during a continuous solid-liquid extraction. 2) what difficulties may be encounter during the determination of the melting point of caffeine?
An FM station broadcasts classical music at 89.1 MHz (megahertz, or 106 Hz). Find the wavelength (in m, nm, and A) of these radio waves. m nm A
What is the theoretical yield for this reaction under the given conditions? 1.40 g of H2 is allowed to react with 10.0g of N2, producing 1.65 g NH3.
An asteroid is in the shape of sphere and has a mass of 1000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters
Write the defining expression for the conditional solubility product constant, Ksp'. Than For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient.
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