Answers by ChristieLuci

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How can the environmental impact of polymer-based packaging materials be reduced while maintaining their functionality and durability?

answered 3 days ago in Polymer Chemistry

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How can the chemical engineer design a system for the production of strawberry flavoring that is both cost-effective and meets regulatory standards for food safety?

answered Jan 30 in Chemical engineering

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A student needs to prepare a solution containing 50 g of ethanol (C2H5OH) dissolved in 250 g of water (H2O) at 25°C. Assuming the heat of mixing for ethanol and water is -5.02 kJ/mol, calculate the heat released or absorbed when the two substances are mixed. Express your answer in kJ.

answered Jan 22 in ThermoChemistry

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A 0.1 M solution of ammonia (NH3) has a pH of 11.64 at room temperature. If sodium hydroxide (NaOH) is added to this solution such that the concentration of OH- ions becomes 0.01 M, what will be the new pH of the solution? (Assume that the dissociation of water can be ignored)

answered Jan 22 in Chemical equilibrium

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What is rehearsal?

answered Jan 20 in Psychology

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Who proposed the concept of social identity theory?

answered Jan 17 in Psychology

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How can the social exchange theory be applied to romantic relationships?

answered Jan 16 in Psychology

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What is the role of gender in the social role theory of aging?

answered Jan 16 in Psychology

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According to the humanistic perspective, what is the importance of unconditional positive regard?

answered Jan 15 in Psychology

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When do we perceive sound location?

answered Jan 15 in Psychology

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What is Obsessive-Compulsive Disorder (OCD)?

answered Jan 13 in Psychology

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Mutation of beneficial proto-oncogenes is a prime culprit in what disease?

answered Dec 31, 2024 in Science

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