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Problem- What is the proton concenteration in a solution of 102.7 mM acetic acid (this concentration represents the sum of both the acetic acid and the deprotonated acetate) at pH 5.77 if the pKa of acetic acid is 4.76? Report your answer in microM to the nearest 0.1 microM.
Please show how you obtained the answer
Consider the conversion of CH3CH2CH2CH2OH to each of the compounds shown below. In which conversion is an oxidizing agent required
A 27.2 mL sample of a solution of RbOH is neutralized by 16.12 mL of a 2.047 M solution of HBr. What is the molarity of the RbOH solution? Answer in units of M.
mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of the reactant in excess will remain after the reaction?
Estimate the molecular diameter of methane (CH4) from the tabulated van der Waals constants in Atkins.( viscosity measurement would suggest a diameter of 0.414nm)
The isothermal reversible expansion at room temperature of one mole of an ideal gas from 2L to 3L. (Answer: 3.4 J/K) b. One mole of ice at 265K is melted under usual lab conditions to form water at 329K.
Explain what is the molarity of a solution containing 5.035 grams of FeCl 3 in enough water to make 500mL of solution
calculate the change in enthalpy and entropy of 50g of liquid water starting at 10 degrees celsius and completely
Explain why the Diels-Alder reaction of Anthracene and Maleic anhydride forms 9, 10-dihydroanthracene-9,10-a, ß-succinic anhydride.
How large would the lattice energy need to be for the formation of NaCL2 to be exothermic. b. If we were to estimate the lattice energy of NaCl2 to be roughly equal to that of MgCl2
Problem- A solution is made by mixing 36.0 mL of ethanol, C2H6O, and 64.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C
The decomposition of nitrogen dioxide to nitrogen and oxygen is second-order with a rate constant k = 12.5 M-1 s-1. What is the half-life for the reaction if [NO2]0 = 0.00260 M
What wavelength of radiation will be emitted when an electron in a hydrogen atom jumps from the n=5 to the n = 1 principal energy level. Name the region of the electromagnetic spectrum corresponding to this wavelength
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