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Thallium has an average atomic mass of 204.3833 u. It has two naturally occuring isotopes, 203Tl (with a mass of 202.9723 u) and 205Tl (with a mass of 204.9745 u). Find the percent abundance of the two isotopes, to ±0.001%.
What are the advantages of also measuring the MS spectrum?
The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
Calculate the pressure when the volume is 1.27 L and the temperature is 3.00 × 102 K.
What is the mass of CO2 in one liter of water if the pressure above the water is 2 atm? (MW CO2 = 44 g/mol), Cg = kH Pg Please show steps
The first ionization energy of bismuth is Ei1 = +703 . What is the longest possible wavelength of light that could ionize an atom of bismuth?
At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.
NaOH and then 25.0mL of 0.5 M of your weak acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 mL of NaOF beyond the equivalence points
Illustrate this by showing the reaction of trans-p-anisalacetophenone with bromine and 2,4-dinitrophenylhydrazine to give the corresponding products
An aqueous solution of NaNO3 is 22.0% NaNO3 by mass. The density of the solution is 1.127 g/mL. Calculate the molality, the molarity and the mole fraction of NaNO3.
how much potssium chlorae is needed to produce 20.0 mL of oxygen gas at 670 mm Hg and 20 degrees celcius.
What are the concentrations of HSO4-, SO42-, and H+ in a 0.27 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.).
John takes 3 hours longer than Andrew to peel 500 lb of apples. If together they can peel 500 lb of apples in 8 hours, then how longer would it take each one working alone?
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