Answers by MarisaReeder

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What is the concentration of copper ions (Cu2+) in a sample solution if the absorbance of the solution at a wavelength of 550 nm is 0.45 and the path length of the sample cell is 1 cm? Given that the molar absorptivity of Cu2+ at this wavelength is 1.5 × 10^4 L mol^-1 cm^-1.

answered 6 days ago in Analytical Chemistry

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Using infrared spectroscopy, characterize the functional groups present in a compound labeled as unknown X. Compare the IR spectrum of unknown X with the spectra of known compounds and identify the functional groups present in unknown X.

answered 6 days ago in Analytical Chemistry

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A chemistry student must calculate the boiling point of a solution composed of 10 g of glucose (C6H12O6) dissolved in 100 g of water at 1 atm pressure. The boiling point elevation constant for water (Kb) is equal to 0.512°C/m, and the normal boiling point of pure water is 100°C.

answered Jan 22 in Physical Chemistry

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Who is more likely to engage in intergroup contact?

answered Jan 20 in Psychology

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How did David Chalmers contribute to the study of consciousness?

answered Jan 17 in Psychology

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According to the cognitive neuroscience theory, what is the role of the prefrontal cortex in anxiety?

answered Jan 17 in Psychology

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What is the role of anxiety in existential psychology?

answered Jan 15 in Psychology

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What is the multi-phase process in which the nucleus of a eukaryotic cell divides?

answered Jan 7 in Science

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What is the measure of the force of gravity pulling down on an object called?

answered Jan 7 in Science

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What is a measure of the amount of space a substance or an object takes up?

answered Jan 6 in Science

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Tuna have been shown to contain high levels of what metal?

answered Jan 2 in Science

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