Answers by WalterRandol

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What is the amount of copper ions present in a 1.0 mL sample of copper sulfate solution, when a current of 3.0 A for 10 seconds is used for coulometry analysis, assuming 100% efficiency in electrode reactions and a coulombic efficiency of 90%?

answered 6 days ago in Analytical Chemistry

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How can Raman spectroscopy be used to identify the presence of specific compounds, such as organic molecules, in a contaminated soil sample?

answered Jan 29 in Analytical Chemistry

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Calculate the enthalpy change for the combustion of methane, given the following balanced chemical equation:CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g)The enthalpies of formation for methane, carbon dioxide, and water are -74.8 kJ/mol, -393.5 kJ/mol, and -241.8 kJ/mol respectively.

answered Jan 23 in Chemical thermodynamics

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Why is the study of animal intelligence important for evaluating animal psychology?

answered Jan 16 in Psychology

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What is the 'Social Cognitive theory'?

answered Jan 14 in Psychology

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What season causes people to look forward to spring?

answered Jan 7 in Science

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How much work is done when a force is applied in a different direction than the direction of movement?

answered Dec 30, 2024 in Science

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Chemical reactions always involve what?

answered Dec 30, 2024 in Science

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Organic substances, including proteins, carbohydrates, and oils, contain what element?

answered Dec 28, 2024 in Science

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