Answers by JoanKimpton

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What are the top 5 reasons that students often find it difficult to understand the periodic table and chemical elements? Provide specific examples and explain how teachers and resources can help overcome these challenges.

answered 6 days ago in Chemical education

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Calculate the enthalpy change of dissolving 10.0 g of sodium hydroxide (NaOH) in 200.0 mL of water at 25°C. Given: the enthalpy of dissolution of NaOH is -44.5 kJ/mol.

answered Jan 23 in ThermoChemistry

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What is the difference between OCD and hoarding disorder?

answered Jan 14 in Psychology

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What are some similarities and differences between cognitive and behavioural therapies?

answered Jan 13 in Psychology

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What part of a bird is adapted for the food it eats?

answered Jan 7 in Science

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Large viruses began as what type of cells inside bigger host cells?

answered Dec 31, 2024 in Science

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Ions that contain fewer electrons than protons have a net positive charge and are called what?

answered Dec 31, 2024 in Science

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