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Explain an unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl. Compute the concentration of the diluted NaOH solution. Answer to units of M. Explain what volume of water was added to the 370mL of NaOH solution? Presume volumes are additive.
consider a neuron at rest at 37degc with ion concentrationsinside and outside the cell as at right inside outsidena 10
Write chemical equations and corresponding equilibrium expressions for each of the three ionization steps of phosphoric acid. Write chemical equations for first ionization step of phosphoric acid. H3PO4(aq)+H2O(l) H3O+(aq) + H2PO4^- (aq)
Calculate the residual volume for a gas with the Redlich-Kwong equation of state. Interpret the result. If there is a depependence on T, why is this so. Calculate the excluded volume for the above equation of state. Interpret the result.
Can write the valence electron configs for the period 2 homonuclear diatomic molecules, but I don't understand the coefficients for this gerade/ungerade notation
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secreting cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor
What is their role in this reaction. In the case of this particular example that you watched, where would each of these ions have come from
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
A solution is prepared by adding 0.100g of solid NaCl to 50.0mL of 0.100 M CaCl2. What is the molarity of the chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL
Calculate the bp of a 10% aqueous sodium chloride solution. Assume this is an ideal solution. Kb (water) = .520 C/m: the molar mass of NaCl is 58.5g. Pure water boils at 100.00 C
A mol of photons was measured to have an energy of 350kJ/mol. What is the wavelength of this radiation
The equation for the complete combustion of ethene (C2H4) is C2H4(g) + 3 O2(g) ==> 2CO2(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mole O2,
what are some of the causes of dehydration? definenbspdiureticnbspand include 2 examples. what are some ways to counter
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