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A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm?1, and a threefold degenerate level at 4700 cm?1. Calculate the partition function of these electronic states at 1900 K
I need help describing an experiment where one could measure the value of the extinction coefficient of a solution with a concentration (c mol/L) of chlorophyll in water for a given wavelength.
calculate the solubility of silver sulfate in water at 25 degree celcius, express answer in molarity; and how would the solubility of silver sulfate change
Lewis Bases given their lone pairs on the central atoms, however, none of them actually are. Why are OF2 and SF4 are strong Lewis Acids and not Lewis Bases
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. How much of the water (in mL) contains 150 mg of Pb. The density of the solution is 1.0 g/mL.
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 1.700 mmol of X caused the temperature of a bomb calorimter to rise from 23.650 oC to 26.350 oC.
The Kp value was calculated as 8.491 g. What does the Kp value tell you about the solubility of benzoic in the two solvents dichloromethane and water
Using the calibration data provided below, calculate the concentration of cocaine (mg/mL) in the original urine sample.
The enthalpy of combustion of benzoic acid is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7kJ/mol.
Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 275mL of coffee from 25.0 ?C to 62.0 ?C?
How many milliliters of 1.50 M H2SO4 are needed to neutralize 50.0 g of NaOH?
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult
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