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1a. Circle the stronger acid, and briefly explain why it is a stronger acid, (using arguments based on relative charge stability). Draw one free energy vs. reaction coordinate diagram for each pair of acids that is consistent with your answer.
b. Which of the protons indicated by an arrow is more acidic? Explain why in words and with pictures/other structures, if appropriate (using arguments based on relative charge stability). You do not need to draw a free energy versus reaction coordinate diagram.
has a standard free-energy change of -4.00 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively
Explain what purpose does a 1-cm layer of anhydrous sodium sulphate in the apex of the funnel serve while transferring the dichloromethane take out into the round- bottom flask
hexane has a normal boiling point of 68.7 c. what is the mole fraction of a nonvolatile solute in a hexane solution
The mean activity coefficient of a 0.01 molal sulfuric acid solution is 0.544. Explain what is its mean ionic activity. Sulfuric acid is H2SO4
find the methylmercury CH3Hg concentration in fish at which regular consuption at 50g/day becomes unacceptable health risk. use epa reference dose for methylmercury
what volume of 0.52 N NaOH would you need to make 20mL of distilled water that has pH 7 to a new pH 11.82?
A lactic acid/lactate ion buffer solution contains 0.31 M HC3H5O3 and 0.90 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of this buffer.
dichloromethane and carbon tetrachloride... what are thepartial pressures of these substances in the vapor above a
in the reaction between potassium carbonate and calcium nitrate balanced eq k2co3 cano32--gt k2no32 caco3 why wouldnt
The solid PbSO4 is collected, dried and determined to have a mass of 1.01g . Find out the limiting reactant, the theoretical yield and the percent yield
Problem- Other than fluoride ions in toothpaste preventing tooth decay, what is another example from your everyday life where solubility is important? Explain how solubility plays a role.
The absorbance of solutions containing Cr as dichromate Cr2O7-2 in 1.0M H2SO4 were measured in a 5cm cell. The following results were obtained
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