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Calculate the pH of 1.00 L of a 0.286 M acetic acid solution before and after the addition of 0.472 mol of sodium acetate.
pH before addition = ______
pH after addition = _______
because the electronegative chlorine atom pulls electrons away from the O-H bond and thus weakens it. Calculate the hydronium-ion concentration and the pH of a 0.0022 M solution of chloroacetic acid. Ka is 1.3 10-3.
Problem- Which amino acids have a third group that can undergo acid/base chemistry. Arrange these from most to least acidic side chain, using the three carbon abbreviations for their names.
Calculate the mass deficiency in amu, binding enery in J/atom, and binding energy in MeV/nucleon for zinc-64, with an actual mass of 63.9291 amu.
Calculate the molar mass and the osmotic virial coefficient, B, of the fraction from the following data:
The Nernst Equation applies to both cell reactions and half-reactions. For the conditions specified, calculate the potential for the following half reactions at 25 degrees C.
What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M. Assume that the addition of ammonia does not affect the volume.
NaOH (aq) are required to neutralize 25.0 mL of HCl (aq). Calculate the concentration of the hydrochloric acid solution.
Describe how the pseudo rate constant, k', is determined from the experimental data? Also describe how k, the true rate constant, is determined from the experimental data
1) What is the charge of 2 billion protons? & What is the electric field strength 5.0 cm away from those 2 billion protons?
Which reactant is in excess from the reaction of 35.0 g of hydrogen with 276 g of oxygen to form water
A typical home uses approximately 1400 kWh of energy per month. If the energy came from a nuclear reaction, what mass would have to be converted to energy per year to meet the energy needs of the home
A baseball is 150g and thrown at 100miles/hour with the same uncertainity. Determine the uncertainity in its position. The uncertainity was set at 1% in the previous problem not sure if it matters pertain to this problem.
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