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Research how rivets made from Al-Cu are used in the manufacture of an aircraft. Why is age hardening critical? What are the implications if this stage is not completed in the allocated time and how could this be prevented?
You need to make an aqueous solution of 0.180 M sodium sulfate for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium sulfate should you add ?
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
If the volume of each unit cell in argon is 85 percent of the xenon unit cell, what is the predicted density of solid argon?
What is the pH of a solution that has an initial concentration of 0.25 M oxalic acid and 0.35 M oxalate ion? Consider only the first ionization of oxalic acid (Ka = 5.9 x 10-2).
What is change in free energy associated with transporting 1 mole of glucose from the plasma into he cytosol of the red blood cell at 37 degrees Celsius? F=96500 J/mol x V, R= 8.3145 J/molK. The transmembrane electrical potential is -60mV (Plasma ..
According to Avogadro's law, how many liters of hydrogen are required to react with 1.9L of oxygen at STP.
Given 20g of each of the gases co2, h2 and Ne in a flask with a totally pressure of 2.50 atmm what is the partial pressure of each gas
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
How do I write a balanced equation for oxidation of Pb (0) to Pb2+ by O2 under basic conditions? How do I calculate the standard cell potentia?
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
Complete the titration of a weak diprotic solid acid. You take 178.0 mg of the solid acid as well as dissolve it in about 50mL of distilled water. You titrate with 0.095 M NaOH as well as arrive at an endpoint at 25.20mL.
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