Answers by WilmaLaney6

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What is the effect of different surface modification techniques on the contact angle of a polymer film?

answered 3 days ago in Surface Chemistry

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How can the concentration of a certain metal ion be determined in a given sample using polarography, and how does the choice of supporting electrolyte affect the precision and accuracy of the results?

answered Jan 29 in Analytical Chemistry

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Calculate the enthalpy change for the hydrolysis of 50 grams of sucrose (C12H22O11) when dissolved in 500 ml of water at 25°C. The molar mass of sucrose is 342.3 g/mol and the enthalpy change per mole of sucrose is -564.8 kJ/mol.

answered Jan 23 in ThermoChemistry

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How did Freud conceptualise personality?

answered Jan 15 in Psychology

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According to Erik Erikson's psychosocial theory, what is the characteristic of the stage of intimacy vs. isolation in young adulthood?

answered Jan 15 in Psychology

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How do behaviour and evolutionary psychology explain altruistic behaviour?

answered Jan 14 in Psychology

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What type of winds blow only over a limited area?

answered Jan 8 in Science

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What is the term for body parts that do not serve their original function?

answered Jan 7 in Science

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Many glasses eventually crystallize, rendering them brittle and this?

answered Dec 31, 2024 in Science

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