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Presume H atom circulates around a stationary atom I in a plane at a distance of 161 pm. Compute (a) moment of inertia of the HI molecule (b) the greatest wavelength of the radiation that can excite the HI molecule into the rotation.
For a 0.25M solution of HF: a) Write the ionization equation, b) What will be the concentration of all species present, excluding water, when the reaction is at equilibrium?, c) What will be the pH, d) what will be the percent ionization
It takes 10 microliters of solution to produce a spot 1 cm in diameter. If the co(no3)2 solution contains about 6g co2+ per liter, how many micrograms of co2+ ion are there in one spot
calculate the work required to expand the cell surface. Assume the cell is surrounded by water and that T=310K.
Formic acid, HCHO2, is a weak electrolyte; What are the solute particles present in aqueous solution of each compound
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
A 7 mL sample of a solution of K2CO3 was diluted with water to 25 mL. A 10 mL sample of the dilute solution was found to contain 0.61 M CO32-. What was the concentration of K2CO3 in the original undiluted solution
a student found that 0.0025 moles of NaOH was used in titration. how many moles of fatty acids where in the sample
a 19.3 g mixture containing sodium sulfide and calcium chloride. 86.9% sodium sulfide and 63.9% by mass chlorine. what is the grams of chlorine?
How many moles of gas are there in a 45.0 L container at 25.0 degrees Celcius and 500.0 mm Hg
How much of either 5.0 M HCl or 5.0 M NaOH must you add (and which one)? Assume the pka for imidazole is 7.0.
While doing sn2chemistry- synthesis of 1-bromobutane from butan-1-ol, why would the crude product likely contain organic impurities as well as why would you dry the 1-bromobutane before distillation
Demonstrate that if 100 ml of a solution of 5 g of A in water were extracted with two 25 ml portions of ether a smaller amount of A would remain in the water than if the solution were extracted with one 50 ml portion of ether.
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