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Compute the pH after the addition of 0.0mL, 5.00mL, 18.0 mL, 25.0mL, 38.0mL, 50.0mL and 65.0mL of 0.200 M NaOH (aq) to 50.00mL of 0.100 M malic acid, L-hydroxybutanedioic acid. pka1=3.459, pka2=5.097
Magnesium phosphate precipitates from an aqueous solution. Does the entropy of the system increase or decrease
The following equilibrium pressures were observed at a certain temperature for the reaction. N2(g) + 3 H2(g) 2 NH3(g) PNH3 = 3.1 10-2 atm PN2 = 8.5 10-1 atm PH2 = 3.1 10-3 atm a)Calculate the value for the equilibrium constant Kp at this temperatu..
What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions?
The concentration fo certain sodium hydroxide solution was determined phthalate(abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol.
The concentration of sugar (glucose, C6H12O6) in human blood ranges from about 80 mg/100 mL before meals to 120 mg/100 mL after eating.
Calculate the heat energy released when 13.3 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
the concentration of Hcl in a solution by titrations using different indicators to find the end point. Is the difference between indicators 1 and 2 significant at the 95% confidence level?
What is the acceptable maximum compression ratio and discharge pressure for the discharge temperature not to exceed 250 F to 300 F. What is the corresponding required compression horsepower
Consider the halide ions as nucleophiles. Briefly explain why F-, the strongest base among the halide ions, is the best nucleophile in polar aprotic solvents while iodide the weakest base is the best in protic solvents.
what is the ph of the solution if .02 mol hcl is added to .5L of a .34m nh3 and .56m nh4cl buffer solution
A sample of 1.00 mol perfect gas molecules at 300K with Cp,m=7R/2 is put through a constant-volume heating to twice its initial temperature. Calculate q, w, delta U, and delta H for each step.
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