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A copper refinery produces a copper ingot weighting 150 lb. If the copper is depicting into a wire whose diameter is 8.25mm, explain how many feet of copper can be obtained from the ingot? The density of copper is 8.94 g/cm^3
For a given reaction, which of the following statements can be made about the value of the equilibrium constant? It always remains the same.
Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2 g of methane reacts with 12.8 g of oxygen to produce 8.8 g of carbon dioxide
sulfuric acid is a diprotic acid with the formula h2so4. phosphoric acid is a triprotic acid with the formula h3po4.
explain the use of nuclear isotope in medical field.1. write a paragraph expaining what nuclear isotope can be used for
An aerosol spray can of deodorant with a volume of 350 mL contains 3.0 g of propane gas C3H8 as propellant.
A small spherical virus has a molecular weight of 1.25x10^6 g/mol and a diameter of 100 Angstrom. Calculate the intrinsic viscosity in units of cm3/g of an aqueous solution of this virus.
30.0 mL of 0.500 M KOH are needed to neutralize 10.0 mL of HCl of unknown concentration.HCl + KOH ? KCl +H2O Show your work.
why would it be difficult to determine the point where the limiting reactant changes if 13.0 ml of 1m hclaq were used
The Ksp of barium carbonate (BaCO3) is 5.0*10^-9 at 25.0 C. If a 20.0 mL sample of 0.1 M Ba(NO3)2 is added to 50.0 mL of 0.1 M Na2CO3.
The leaves of a Rhubarb contain high concentrations of diprotic oxalic acid (HOOCCOOH) and must be removed before the stems are used to make rhubarb pie. If pKa1=1.23 and pKa2=4.19, what is the pH of a .0282 M solution of oxalic acid
Compression and Cooling of Nitrogen Gas. A volume of 65.0 ft^3 of N2 gas at 90°F and 29.0 psig is compressed to 75 psig and cooled to 65°F.
In the following amino acid sequences, what amino acids will interact if the peptide forms an alpha-helix? Do you expect this structure to be stable? Why or why not?
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