Questions by Holly81G1945

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1 answer 42 views

How do different types of air pollutants, such as particulate matter and ozone, affect respiratory health in humans? Specifically, how can the size and composition of these pollutants influence their impact on the respiratory system, and what are the potential long-term health effects from prolonged exposure to high levels of these pollutants?

asked 5 days ago in Environmental Chemistry

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1 answer 59 views

How does the ab initio calculated dipole moment of water compare to the experimental value?

asked 6 days ago in Computational Chemistry

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1 answer 43 views

How might we increase the availability of chemistry-related extracurricular activities for high school students living in rural areas?

asked 6 days ago in Chemical education

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1 answer 43 views

Calculate the enthalpy of formation for glucose (C6H12O6) at standard conditions, given the following enthalpies of formation for its constituent elements: C(graphite) = 0 kJ/mol H2(g) = 0 kJ/mol O2(g) = 0 kJ/mol Hint: Use Hess's Law and standard enthalpies of formation to solve the problem.

asked Jan 23 in ThermoChemistry

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1 answer 40 views

Calculate the bond dissociation energy (in kJ/mol) for the O-H bond in water (H2O) given that the enthalpy change for the reaction H2O (g) → H (g) + OH(g) is +495 kJ/mol and the enthalpy change for the reaction H2(g) + 1/2O2(g) → H2O(g) is -241.8 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 19 views

What are the similarities and differences between obsessive-compulsive disorder OCD and hoarding disorder?

asked Jan 17 in Psychology

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1 answer 16 views

What is the strengths of ACT?

asked Jan 16 in Psychology

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1 answer 14 views

What is the Criticism of PCT?

asked Jan 16 in Psychology

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1 answer 20 views

When evaluating the empirical support for a cognitive behavioural theory, what is meant by effect size?

asked Jan 15 in Psychology

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1 answer 29 views

Why do we experience afterimages?

asked Jan 15 in Psychology

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1 answer 29 views

What is divided attention?

asked Jan 13 in Psychology

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1 answer 9 views

Carbon-14 dating is a method of what kind of dating?

asked Dec 30, 2024 in Science

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