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Determine the binding energy of F-19 nucleus. The F-19 nucleus has a mass of 18.99840325 amu. A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665 amu.
2.30 × 10-11 J/mol1.38 × 1016 J/mol0.154 J/mol2.30 × 10-8 J/mol1.38 × 1013 J/mol
What mass of Ammonium sulfate is required to react with 60kg of Potasium nitrate to obtain
how many moles of CO2 are produced when 5.40 mol of ethane are burned in an excess of oxygen
Which of the following statements concerning the complete hydrolysis of fats and oils is correct. fats produce more fatty acids per molecule than do oils
Concentration of glucose complex form stock? Set of standard solns was prepared by taking a known volume of a stock glucose soln, containg 1.000 g glucose dissolved in 100 mL of distilled water
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
Tungsten (W) metal, which is used to make incandescent bulb filaments is produced by the reaction
find the volume of aqueous acetic avid required to prepare an effective buffer solution when 8.2 grams of sodium acetate is used. Assume 500mL is required for the buffer solutions and also find the pH of the buffer.
a 26.0 ml sample of a liquid was found to have a mass of 13.0g. what is the density of the liquid?
The net charge of a polypeptide at a particular pH can be determined by considering the pK value for each ionizable group in the protein
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice.Find the atomic weight of this metal.
A solution contains 29 g of sucrose (C12H22O11), a nonelectrolyte, dissolved in 929 g of water. What is the boiling-point elevation?
At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq) Fe3+(aq) + SCN -(aq)
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