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Use the rydberg equation to calculate the wavelength in angstroms of the photon absorbed when a hydrogen atom undergoes a transition from n = 1 to n = 3
Consider a saturated solution of Zinc arsenate, Zn3(AsO4)2, in which the following reactions can occur: Zn3(AsO4)s (s) --> 3Zn+2 + 2AsO4 -3 Ksp=1.0e-27 AsO4 -3 + H2O ---> HAsO4 -2 + OH- Kb1=3
If 2.5 mol of ethylene oxide is decomposed at 93 degrees celcius what will be the final temperature of the products? The heat capacity of the products is 110.13J/mol C?
If the equilibrium constant for a one electron redox reaction at 298k is 8.7*10^4, calculate the corresponding change in G and Ecell
Calculate the number of moles of sodium hydroxide used in the titration. b. How many equivalents of unknown acid were titrated? c. Determine the equivalent mass of the unknown acid
If a 190 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.4x1.0 ft , what is the average thickness of the sheet in meters?
Calculate Kc for the following reaction. 2NO(g)+O2(g) 2NO2(g) when equilibrium is established at 500 Kelvin, there are 0.190 moles of NO2, 2.65*10^-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters
A gas occupying 28mL at standard conditions is heated to 18C while the pressure is reduced to 0.98221 atm. What is the new volume occupied by the gas? Answer in units of mL.
A solid that weighs 0.008kg . Put the solid into a gradulated cyliner filled with water and the volume increases by 10cm 3 what is the denity?
Explain how the carbonate system in natural waters provides buffering capacity
Based on the solubility rules, which one of these is insoluble in water?
Important information about Degree of Unsaturation, Dieldrin, C12H8Cl6O, is a pentacyclic compound formerly used as an insecticide.
What is the theoretical yield in grams? What is the theoretical yield in moles? (I already have the calculated amounts of reactants) Just need theoretical yields.
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