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Assuming ideal gas behavior, determine the expected pressure atm of a gas in a syringe if the volume of the gas has an initial pressure of 0.96 atm and goes from 10.0 mL to 20.0 mL (assuming the temperature of the gas does not change).
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following transitions.
Exactly 4.00g of a solution of sulfuric acid was diluted with water as well as excess of cacl2, was added. The washed as well as dried precipitate of BaSO4 weighted 4.08g. Determine the percent H2SO4 in the original acid solution
Which one of the following substances will exhibit both dispersion and dipole-dipole forces between molecules in the condensed phase? (please explain why)
concentrated hydrofluoric acid is 28.9M and has a density of 1.18g/mL. What is the weight percent of concentrated HF?
HClO is a weak acid Ka=4.0x10-8 as well as so the salt NaClO acts as a weak base. Explain what is the pH of a solution that is 0.089 M in NaClO
A sample of N2O3 contains 1.26 moles of nitrogen. Use the following atomic masses: N =14, O=16.
What does a water molecule that loses a hydrogen become?
Consider the reaction of an aqueous solution of KOH with an aqueous solution of HC2H3O2. Which of the following should appear on the product side of this reaction
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule
A 4.20-m column has a height equivalent to a theoretical plate of 0.70 mm. If the flow rate is 32.5 mL·min-1, calculate the extrapolated base width (in seconds) of two peaks for a solute with retention times of 3 min 28 s and 0.0833 h respectively..
interpret and explain the information on the herbicide label including the use of pictograms and supplemtary
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
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