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Question- In the spectrum of a specific element, there is a line with a wavelength of 486 nm. Use the Rydberg equation to calculate the value of n for the higher energy Bohr orbit involved in the emission of this light. Assume the value for the lower energy orbit equals 2.
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nitrogen and oxygen from an extensive series of oxides with the general formula nxoy. what is the empirical formula for
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the tetraethyl lead pbc2h54in a 25.00 ml sample of aviation gasoline was shaken with 15.00 ml of 0.02381 m i2. hint one
Penicillin is an important antibiotic isolated from a type of mold. If you have 0.0588 g Penicillin, C14H20N2SO4MW = 31239 g/mol , answer the following questions. What is the number of moles of nitrogen that are present
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At -14.5 degrees celcius, what is the maximum mass of maltitol (C12H24O11) you can add to a 2.50 kg of pure water and still have the solution freeze. assume that maltitol is a molecular solid and does not ionize when it dissolves in water
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The decomposition of HI(g) is represented by the equation 2HI(g) H2(g) + I2(g) Kc= 64 at 25°C. If the equilibrium concentrations of H2 and I2 at 400°C are found to be [H2] = 9.3x10-4 M and [I2] = 1.6x10-3 M, what is the equilibrium concentration o..
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