Answers by SharonMendis

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What is the mechanism for the reaction between ethene and hydrogen bromide, and what is the nature of the intermediate(s) involved in this reaction?

answered Feb 22 in Organic Chemistry

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26 views

What are the optimal laboratory conditions (temperature, pressure, solvent, reaction time) for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer to obtain the highest yield?

answered Feb 21 in Chemical synthesis

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27 views

How does the metabolic state of cancer cells differ from that of normal cells, and how can metabolomics and systems biology be used to develop targeted therapies for cancer treatment?

answered Feb 20 in BioChemistry

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39 views

What is the boiling point of sodium chloride (NaCl) at a pressure of 1 atm? Show the calculation using the Clausius-Clapeyron equation.

answered Feb 18 in Inorganic Chemistry

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59 views

How can we design a new drug that selectively targets the underlying cause of psoriasis, a chronic autoimmune skin disease that affects millions of people worldwide, while minimizing potential side effects on other organs and tissues?

answered Feb 12 in Medicinal Chemistry

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What coordination chemistry principles are involved in the chelation therapy approach to remove heavy metals from the body? And how do these principles contribute to the effectiveness of chelating agents in this process?

answered Feb 12 in Coordination Chemistry

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How can chemistry students increase their exposure to current research in the field, and what resources are available to them?

answered Feb 5 in Chemical education

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38 views

How can chemistry educators encourage and promote diversity in the chemistry field to ensure that scientists from all backgrounds have the opportunity to contribute their unique perspectives and research ideas?

answered Feb 4 in Chemical education

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44 views

Calculate the standard enthalpy change for the phase transition reaction of solid carbon dioxide (dry ice) at -78.5°C to gaseous carbon dioxide at 1 atm and 25°C given that the enthalpy of formation of solid carbon dioxide and gaseous carbon dioxide are -393.5 kJ/mol and -393.5 kJ/mol, respectively.

answered Feb 3 in Chemical thermodynamics

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88 views

How does changing the concentration of a reactant affect the rate and profitability of a chemical reaction?

answered Jan 31 in Chemical kinetics

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80 views

How can the concentration of iron in a given sample be determined using spectrophotometry?

answered Jan 29 in Analytical Chemistry

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67 views

Calculate the Gibbs free energy change for the following reaction at 298 K:2CH4(g) + 3O2(g) → 2CO2(g) + 2H2O(g)Given the standard Gibbs free energy of formation at 298 K for CH4(g), O2(g), CO2(g) and H2O(g) are -50.8 kJ/mol, 0 kJ/mol, -394.4 kJ/mol, and -241.8 kJ/mol respectively.

answered Jan 23 in Chemical thermodynamics

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87 views

What is the zone of proximal development ZPD ?

answered Jan 20 in Psychology

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Please compare psychosocial development versus psychosocial crisis.

answered Jan 20 in Psychology

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111 views

What is the role of culture in parenting?

answered Jan 17 in Psychology

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85 views

Who is associated with content analysis?

answered Jan 15 in Psychology

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45 views

Where does carbohydrate digestion begin in the body?

answered Jan 8 in Science

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59 views

What do you call the slope that forms the edge of the continent?

answered Jan 6 in Science

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50 views

What do tadpoles clear out of waterways?

answered Jan 6 in Science

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48 views

Pink snapdragons are an example of what?

answered Dec 31, 2024 in Science

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