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Why might it be attractive to research the use of alloys that do not contain lead, Pb; however, exhibit similar properties associated with lead-containing alloys?
Other Kinds of titrations are possible in addition to acid-base titrations. For example, the concentration of a solution of potassium permanganate, KMnO4, can be determined by titration against a known amount of oxalic acid, H2C2O4, accoiding to t..
Please give reasons for compounds like silver sulfate or silver chloride to be insoluble that relate to ionic radius.
The mass spectrum of an organic compound shows the relative abundances of M to be 72.46% and M 1 to be 11.76%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound.
The working buffer solution was warmed to 30oC and the pH of this solution was determined to be 8.03. What is the pKa of Tris under these conditions
Find the terms that can arise from the following configurations. In each case identify the ground term( lowest energy term). assume Russel-Saunders coupling
Describe the preparation of one liter of 0.10 M ammonium cholride buffer, ph=9. starting with solid ammonium cholride pk=9.26 and 1 M NaOH. describe in detail steps to solve and use correct units please
A reference sample of the same size, from a plant alive today, has a carbon-14 activity of 160.0 counts/min. If carbon-14 has a half-life of 5730 years, what is the age of the plant fossil in years
the osmotic pressure of 180.0 ml solution of sucrosec12h22o11 in ethanol at28.0degc is 1.85 atm. what is the molar
sample of tap water consists of water, fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water
At body temperature 37 C, Ka for aspirin equals 3 x10^ - 5.If two aspirin tablets, each having a mass of 325 mg, are dissolved in a full stomach whose volume is 1 L and whose pH is 2, what percent of the aspirin is in the form of neutral molecules
Execute the following mathematical operations and express each answer in scientific notation with the correct number of significant
A certain reaction has activation energy of 67.57 kJ/mol. At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 345 K
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