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Why is it that continually displacing the ring from its equilibrium position, releasing it, and watching its subsequent behavior as you adjust the mass and/or angle of the equilibrant will give you more precise results than simply letting the ring move on its own?
Aspirin has a pKa of 3.5 and is neutral in its protonated form (i.e. HA). Acetaminophen has a pKa of 9.5 and is also neutral in its protonated form. Predict the elution order of the two compounds in capillary electrophoresis.
Calculate S surroundings and S total for the processes described in parts (a) and (b) of problem P5.32. Which of the processes is a spontaneous process? The state of the surroundings for each part is as follows:
a 500 ml gas sample is collected over water at a pressure of 740 mmhg and 25 celsius. what is the volume of the dry gas
choose the correct answer for the atom using the periodic chart. Larger atomic or ionic radius, F or F(-)
A 56.0 mL solution of phosphoric acid is neutralized by 136.0 mL of 2.6 M NaOH. What is the concentration of the acid?
Strontium-90, a radioactive isotope is a major product of an atomic bomb explosion. It has a half life of 28.1 years. a) Compute the first order constant for the nuclear decay.
Calculate the volume of 1.94×10-3-M H2SO4 solution needed to provide 4.83×10-3 g of H2SO4.
assume that due to dwindling supplies of crude oil and natural gasthe us embarks on a plan to implement the hydrogen
What is the molarity of your HCl solution if it take 35.25 mL to reach the second equivalence point of a titration against 0.2225 grams of standard sodium carbonate?
The combustion of 13.2 g of propane, C3H8 (g), liberates 6.6x10^3 kJ of heat. What is the enthalpy change (kJ) for the reaction?
Glycine has the structure NH2CH2COOH. it can lose a proton from the carboxyl group and form chelate rings bonded through both the N and one of the O atoms. Draw structures for all possible isomers of tris(glycinato)cobalt(III).
the first-order rate constant for the reaction of methyl chloride ch3cl with water to produce methanol ch3oh and
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