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If the volume of 0.200 M NaOH needed to neutralize 0.410 g of an unknown acid is 35.0 mL, what is the molar mass of the monoprotic acid?
2NO2 + Cl2 = 2NOCl The inital pressure of NO2 was 1.577 atm and the inital pressure of Cl2 was 0.427 atm. At equilibrium, the partial pressure of NOCl is 0.624 atm. Calculate K.
What wavelength of radiation must be used to eject electrons with a velocity of 1.5 X 10^3 km s-1
Draw the major organic product of the reaction. Indicate the stereochemistry via wedge/dash bonds, including explicit H and D atoms
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Assuming the structures above gave molecular ion abundances of 12, 70, and 23(dexchlorpheniramine, 9-aminoacridine and pilocarpine, respectively), what abundances would you expect for the M+1 and the M+2 peaks for each structure?
Electrode composed of chromium in a 1.0 M chromium(III) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C
Protein Quatification IS your spectrophotometer accurate? In other words,is the absorbance response it gives to your at A280 correct?
He was befuddled when he isolated a material with a single 1H nmr signal at 1.64 δ and 13C nmr signals at 123 δ and 18.9 δ . Use epwa to show Bonnie what happened.
A young child grows rapidly, with high levels of cell division and high energy requirements. If you were planning the child's diet, which food groups would you emphasize, and why? Which good groups would you deemphasize, and why?
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
The following reaction takes place in a sealed 40.0-L container at a temp of 120 degrees C 4NH 3(G) + 5 O2 (g) --> 4NO (g) + 6H2O (G)
C5H5N, and 0.350 moles/l in pyridinium chloride, C5H5NHCl you are given a kb value of 1.7 x 10^-4 for pyridine find the ph of this solution using this kb value
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