Answers by CarrieGabel2

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Design a process for the purification of 500 grams of crude aspirin containing impurities such as acetic acid and sulfuric acid. The final product must have a purity of at least 99.5%. Describe the steps involved in the purification process, including the necessary equipment, reagents, and conditions for each step. Also, calculate the percent yield of the final product based on the initial mass of crude aspirin.

answered 1 day ago in Chemical engineering

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Calculate the enthalpy change for the reaction below using Hess's Law and the given thermochemical equations:2H2(g) + O2(g) -> 2H2O(g) deltaH1 = -484 kJ/molH2(g) + 1/2O2(g) -> H2O(g) deltaH2 = -242 kJ/mol 2H2O(g) -> 2H2(g) + O2(g) deltaH3 = +484 kJ/mol

answered Jan 23 in ThermoChemistry

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When was the first study of bystander intervention published?

answered Jan 20 in Psychology

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Who developed the transtheoretical model?

answered Jan 20 in Psychology

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Why do we sometimes misperceive the size of objects?

answered Jan 15 in Psychology

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What is histrionic personality disorder?

answered Jan 13 in Psychology

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Species divergence often, but not always, occurs because of what type of barrier between species?

answered Dec 31, 2024 in Science

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