Answers by BerylSantiag

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How can atomic absorption spectroscopy be used to quantitatively determine the concentration of lead (Pb) in a water sample taken from a local river? What steps must be taken to prepare the sample and calibrate the spectroscopic instrument? How can the results be verified and reported?

answered Jan 29 in Analytical Chemistry

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Calculate the activation energy of a reaction that has a rate constant of 8.23 x 10^-4 s^-1 at 300 K and a rate constant of 1.56 x 10^-2 s^-1 at 350 K.

answered Jan 23 in Chemical kinetics

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What is ethnomethodology's role in discursive psychology?

answered Jan 16 in Psychology

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Who proposed the rational choice theory?

answered Jan 16 in Psychology

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Which type of electrons plays the most important role in chemical reactions?

answered Jan 8 in Science

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What is the term for the process in which water vapor changes to tiny droplets of liquid water?

answered Jan 7 in Science

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In a fuel cell, energy is not stored; electrical energy is provided by what?

answered Dec 30, 2024 in Science

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