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Utilizing the Rydberg Equation to calculate the wavelength in Angstroms of the photon absorbed when a hydrogen atom undergoes a transition from n=5 to n=7.
sketch flow diagram amp explain the extraction process.1. what is the purpose of extracting the organic layer with
at 25 C, a sample of NH3(molar mass= 17g/mol) effuses at a rate of .050 mole per min. under the same conditions, which of the fallowing gases effuses at approximately one-half that rate
A diet soda contains 0.5% sodium, 0.25% potassium and 0.6% aspartame. Can you please show me how to calculate how many grams of each you would consume by drinking a 300 mL can of soda.
Calculate the final concentration of solute when 25.0 mL of 3.0 M of carbose solution and 37.0 mL of 2.5 M carbose solution are mixed
Explain a dilute solution of benzoic acid, C6H5COOH, is prepared by adding 7.7 mL of 1.5 M benzoic acid to a volumetric flask as well as adding enough water to bring the total volume of solution to 250 mL. Explain what is the final concentration o..
What is the molarity of the acetic acid solution?
How many carbon atoms does the sample contain?
At 22C(Celsius) an excess amount of a generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 10.14. What is the Ksp of the salt at 22C
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation.
A certain hydrate has the formula MgSO4.xH2O. If a quantity of 54.2 g of compound heated in an oven to drive off the water. If the steam generated exerts a pressure of 24.8atm in a 2.00L container at 120 Celsius, compute x.
The addition of 5.00g of a compound to 250g of naphthalene lowered the freezing point of the solvent by 0.780K. Calculate the molar mass of the compound.
A system absorbs 295 kJ of heat and the surroundings do 177 kJ of work on the system. What is the change in internal energy of the system?
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