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In a titration experiment to determine the Ksp of Calcium Hydroxide, we titrated our prepared Ca(OH)2 solution with a standard hydrochloric acid solution. From the Initial pH, and the equivalence points of the titration curve and the second derivative curve, how would you calculate the [OH-] and the [ ca+2] from the averaged results of the titration curves and 2nd derivatives? there should be two calculations for each
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
A little trouble understanding what to do in this question: It has been reported that the reaction of Ca-40 with W-186 produces Mg-40. If only one other nuclide is formed by this reaction, write out a balanced nuclear reaction
A scientist wants to make a solution of tribasic sodium phosphate, Na3Po4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425 mL of a solution
Gas tank holds 42kg of gasoline. When gasoline burns, 147kg og oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
A solution was prepared by mixing 43.00 mL of 0.190 M HNO3 and 108.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
A standard Ni(s) |Ni^2+ (aq) || Ag^+ (aq) | Ag(s) is constructed and the standard potential is 1.03 V a) write a balanced reaction for the cell
Equal volumes of cold 4.184M NaOH at 20C and warm 4.184M HCl at 77.3C are mixed together in a highly efficient calorimeter. what is the final temperature of the solution
Choose the selection which correctly characterizes all three of the following substances in terms of whether they are polar or nonpolar: IF and NCl3 and SiF4
what is the final temperature of this water/ethanol mixture? (Note: Assume there are no chemical interactions between the water and the ethanol that affect the temperature.)
Compute the final temperature of the solution assuming no heat lost to the surroundings .the solution has a specific heat capacity =4.18 J/°C·?
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
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