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Which of the following m/z values is the molecular ion for 2-butanone? A. 15 B. 29 C. 43 D. 57 E. 72
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
Find the volume of hydrogen evolved when 3.25g of zinc granules react completely with excess hydrochloric acid solution (Zn=65)
A buffer is initially 0.180M in 4-nitrophenol (HC6H4NO3) and 0.200M in potassium 4-nitrophenolate (KC6H4NO3). The Ka of 4-nitrophenol is 3.8*10^-4 and the buffer has a pOH = 3.47. If 0.20g on NaOH were added to 100ml of this buffer what would the ..
A solution of 116 mL of 0.170 M KOH is mixed with a solution of 230 mL of 0.240 M NiSO4. What precipitate forms?
a student prepared a stock solution by dissolving 10.0g of koh in water to make 150. ml of solution. she then took 15.0
the equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain
The air in a laboratory was measured with a barometer to be 7.40 x 100 to the 2 power mm Hg. What is the laboratory air pressure in atm?
30 mL of 0.25 M acetic acid are titrated with 0.05 M KOH. What is the volume of KOH needed to reach the equivalence point. A. 0.15 mL B. 150 L C. 150 mL D. 1.5 L
determine the original mass of liquid, G, that was placed in the container. (Ignore the volume occupied by the liquid in these calculations)
Write the rate law for this version of the iodine clock reaction. Could the rate law have been predicted using the coefficients in the balanced equation? Explain
Because of porosity of the filter paper some of the CaC2O4*H2O precipitate passes through the filter paper. Will the reported percent of the limiting reactant in the original salt mixture be reported too high or too low
ch4 2o2 --ampgt co2 2h2owhat is main type of inter molecular force for each molecule and whats the intermolecular
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