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What polymers can be used to develop superabsorbent materials with high water retention capacity and how can their properties be optimized for specific applications?
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4 days
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Polymer Chemistry
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CecilB463053
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How can we design a drug that selectively targets a specific enzyme or receptor without affecting other molecules in the body?
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Medicinal Chemistry
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ArnetteDowle
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What is the effect of cooking on the level of pesticide residues in food and how does this impact the potential dangers to human health?
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Environmental Chemistry
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CarmellaRosa
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How can the mechanical properties of 3D printed polymer objects be optimized for specific applications, such as automotive part production, through manipulations of polymer chemistry and processing parameters?
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Feb 10
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Materials Chemistry
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JinaCurrey75
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How can molecular docking studies be used to discover new drugs for a specific target protein, and what factors need to be considered in order to ensure drug efficacy and specificity?
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Feb 5
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Computational Chemistry
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JulianaMcCau
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510
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How can computational methods be used to design and predict the properties of supramolecular assemblies formed by organic molecules?
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Feb 5
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Computational Chemistry
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KassieHeadin
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370
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What specific steps can be taken by universities and colleges to better prepare chemistry students for their future careers in the chemical industry, where practical skills are just as important as theoretical knowledge?
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Jan 30
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Chemical education
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ZaneKane6381
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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.
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Jan 22
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ThermoChemistry
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MillieMartin
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490
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39
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A chemical plant has a mixture of ethanol and water with a known composition. The plant wants to separate the mixture using a distillation column. As a chemistry student, design a feasible distillation column that can effectively separate the mixture with the given composition. You need to specify the height, diameter, number of trays, reflux ratio, and other necessary parameters needed for designing the column. You are also required to provide an explanation for the choice of each parameter.
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Jan 22
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Psychology
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PercyJenning
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550
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How can attitude change be achieved?
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Jan 20
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Psychology
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FredricMorel
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370
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When considering social change, what is the term for the process of building relationships with other organisations?
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Jan 20
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Psychology
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MathiasSsg09
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710
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According to Marcia, which identity status is characterized by active exploration but no commitment?
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Jan 20
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Psychology
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CasimiraTran
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330
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55
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What is the identity status of an individual who is currently exploring different identity options?
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Jan 20
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Psychology
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Madeleine39P
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310
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According to the prospect theory, what do people value more: gains or losses?
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Jan 20
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Psychology
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LakeshaWekey
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330
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Who proposed the principle of common fate?
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Jan 20
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Psychology
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RosalineW98
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250
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Who proposed the field theory?
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Jan 20
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Psychology
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StuartSneed
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370
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Who put forth the principle of closure?
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Jan 20
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Psychology
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KeeleyGowing
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390
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Who established the Gestalt theory of learning?
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Jan 20
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Psychology
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JamilaFoley
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290
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25
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Who distinguished between 'figure' and 'ground'?
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Jan 20
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Psychology
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ColumbusRebe
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370
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33
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Who proposed the cognitive development theory?
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Jan 20
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Psychology
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ByronGlynn76
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170
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