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A C^+5 ion in the n= 5 state moves to the n=7 state.Calculate the energy (E) change associated with this transition. Also, calculate the frequency, and wavelength of light which have this same energy and indicate whether light is emitted or absorbed in the process.
A specific steroid has max = 291 nm and molar absorptivity = 11,500. What is the concentration of the compound in a solution whose absorbance at 291 nm is A = 0.050 with a sample pathlength of 1.00 cm
what is the concentration of a nitric acid solution if a 10.00ml sample of the acid reqires 31.25ml of 0.135m koh for neutralization.
determine how many grams of oxygeno2 would be used when 10.82 litres nitric oxide nog is formed at the temperature of
VO2 can exist in insulating or metallic form, depending on temperature and pressure.
An acqueous solution of Kl has a freezing point of -1.80 C and an osmotic pressure of 26.0 atm at 25.0C. Assume Kl completely dissociates in water. What is the density of the solution
in writing the lewis structure when we do not have to worry about electrons distribution in each atom alone and when we
The electron is at a distance of about 6.3 x 10-11 m from the nucleus. Assuming the hydrogen atom is a sphere with a radius of 6.3 x 10-11 m, find (a) the volume of the atom, (b) the volume of the nucleus, and (c) the percentage of the volume of t..
Which functional groups are based on carbonyl moiety. Which functional groups act as a nucleophile and an electrophile
A graduated cylinder contains 24.7 ml of water. After adding 32.56 grams of a solid the volume reading of the cylinder reads 38.9 ml. The numerical value of the density (assuming proper units) of the metal is
Using the data shown in the table, calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 3.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation
Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of delta H and delta S are independent of temperature.
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