Answers by ShelliSpivak

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Calculate the standard enthalpy change (∆H°) for the dissolution reaction of 5.00 grams of sodium chloride (NaCl) in 100.0 mL of water, given that the final temperature of the solution was 25.0°C and the heat capacity of the solution was 4.18 J/g°C. The molar mass of NaCl is 58.44 g/mol and the density of water is 1.00 g/mL.

answered 2 days ago in Chemical thermodynamics

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How can liquid chromatography be used to determine the amount of caffeine present in a sample of coffee?

answered Jan 29 in Analytical Chemistry

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According to the Health Belief Model, what are the four factors that determine our health behaviours?

answered Jan 16 in Psychology

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What is the cognitive load theory?

answered Jan 14 in Psychology

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What is extinction in behaviourism?

answered Jan 13 in Psychology

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What is produced during the light reactions in photosynthesis?

answered Jan 6 in Science

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