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An extended source is spherical in shape with a radius of 2.00 cm and emits 12.57 W from 399.5 to 400.5 nm. Determine the spectral radiant emittance, the spectral radiant intensity, and the spectral radiance at 400 nm.
Choosing CO^2+, write a series of two balanced chemical equations representing the reaction that occurs when HCl and NH3 are added to an aqueous solution of the transition metal cation.
What is the molecular equation, total ionic equation, and net ionic equation for Cu(NO3)2 and NaOH
We place 1.32 mol PCl5 in a 1.0 L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask
Adipic acid and citric acid have very similar melting points. Given two unkown samples, one being citric and the other adipic acid
Calculate the volume in mL of 1,00g of water at each temperature and then calculate the percentage increase in volume that occurs as water is heated from 4.0 degrees Celsius to 60.0 degrees Celsius.
In the liver, which one of the following is part of the pathway whereby increased glucagon causes a decrease in the glycolytic pathway? activation of the fructose-2,6-bisphosphate and inhibition of phosphofructokinase-2
In the column chromatography portion of an experiment, a student uses different solvents or solvent mixtures to elute the column for separation of your product mixture.
A solution (S1) of Yellow #5 has an absorbance far outside the linear region of Beer's Law. In order to determine the concentration of this solution, a serial dilution is performed. To make S2, 10 ml of S1 is diluted to 100 mL.
Calculate the number of grams of AlCl3 and the number of grams of H2O formed when 0.500 g of Al(OH)3 reacts.
Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as antioxidants in soaps. Hydroxylamine has Kb of 9.1 x 10^-9. What is the pH of a 0.025M HONH2 solution
Combustion of a .2000g sample of vitamin C sample produced .2998 g of carbon dioxide and .0819 g of water. If this compound is composed of C, H, and O, then what is its empirical formula?
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
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