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In spectrophotometry what is the theory/why is there a linear relationship between i) absorbance and concetration and ii) aobsorbance and path length?
if 400 ml of a 0.100M acetic acid and 200 ml of 0.100m solution acetate are mixed, what is the pH?
Draw the major organic product from reaction of 1-butyne with BH3 in THF, then H2O2, OH-. If no reaction occurs, writE ethane, CH3CH3.
Predict the equilibrium constant for the 1st reaction given the equilibrium constants for the 2nd and 3rd reactions. CO2(g) + 3 H2(g) CH3OH(g) + H2O(g) K1
NaBr + H2SO4 ---> HBr + NaHSO please descride the mechanism for SN2 reaction in the equation
The rate of substitution of alkyl chlorides and alkyl bromides can be increased by adding a catalytic amount of sodium iodide. Explain
You start with a 2.354 g sample of a mixture containing SiO, NaCl, and NH, Cl. If after subliming away the NH, Cl, you have 1.975 grams of sample remaining, what was the mass percent of NH4C1 in the original sample
a solution contains 0.10m iodide ion i- and 0.10mcarbonate ion co32-. if solidpbno32nbspis slowly added to the
a mole of photons is called an einstein. calculate the radiant energy of an einstein if the photons have a wavelength
The Ksp of calcium carbonate, CaCO3, is 3.36 × 10-9. Calculate the solubility of this compound in g/L.
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br
Performing the elimination with potassium tert-butyl alcohol. At what temperature will the reaction mixture begin refluxing?
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