Questions by JocelynB5375

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What is the concentration of iron (II) ions in a water sample with absorbance of 0.295 at a wavelength of 510 nm, given that the molar extinction coefficient of iron (II) ions is 11,300 M^-1cm^-1 at this wavelength? Use colorimetry to determine the solution.

asked Jan 30 in Analytical Chemistry

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1 answer 25 views

What is the Rowe and Kahn model of successful ageing?

asked Jan 16 in Psychology

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1 answer 38 views

Can leaders be trained?

asked Jan 14 in Psychology

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1 answer 36 views

What is is a measurement of the force amplification of a machine?

asked Jan 6 in Science

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1 answer 39 views

What do you call the transfer of thermal energy between particles of matter that are touching?

asked Jan 6 in Science

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1 answer 13 views

Aside from light, incandescent light bulbs also give off what that wastes energy?

asked Dec 30, 2024 in Science

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1 answer 24 views

What corrosive substances capable of dissolving many metals can cause contamination if spilled?

asked Dec 28, 2024 in Science

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