Recent activity by Fern52B69739

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Design a process for the purification of crude acetone obtained from the industrial production of phenol to obtain at least 99% pure acetone. Take into account the initial impurities in the crude acetone and suggest suitable separation techniques to remove them. Specify the equipment and operating conditions required for your proposed purification process.

answered 1 day ago in Chemical engineering

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How can X-ray fluorescence (XRF) spectroscopy be used to accurately identify the presence and concentration of specific elements in a given sample, and what are the limitations of this technique for quantitative analysis in analytical chemistry?

asked 6 days ago in Analytical Chemistry

1 answer 59 views

A chemistry student must determine the maximum work that can be done by a gas held in a container with a fixed volume and temperature. Given the number of moles of gas and the pressure inside the container, use statistical mechanics and thermodynamic ensembles to calculate the maximum work that can be extracted from the gas.

asked Jan 22 in Physical Chemistry

1 answer 21 views

What is the role of the prefrontal cortex in working memory?

asked Jan 20 in Psychology

1 answer 21 views

Where do monocular cues provide depth information?

asked Jan 20 in Psychology

1 answer 20 views

According to the social comparison theory, how do people use social comparisons to cope with trauma?

answered Jan 17 in Psychology

1 answer 19 views

What is confirmatory bias?

answered Jan 15 in Psychology

1 answer 29 views

What is the cognitive-affective personality system (CAPS)?

answered Jan 15 in Psychology

1 answer 20 views

What is the difference between bottom-up and top-down processing?

answered Jan 13 in Psychology

1 answer 7 views

What is the process bacteria use to break down chemicals into food?

answered Jan 7 in Science

1 answer 18 views

What is the largest class of elements?

answered Jan 7 in Science

1 answer 28 views

Chelicerata are know for their first pair of appendages, also know as what?

answered Dec 30, 2024 in Science

1 answer 27 views

The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived?

answered Dec 28, 2024 in Science

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