Answers by WilfredoWren

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What are the resonance structures for the molecule of nitrate ion (NO3-)? Show how the pi electron density is distributed across the atoms in each resonance structure.

answered 4 days ago in Chemical bonding

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9 views

How does heavy metal contamination of soil affect the growth and nutritional quality of crops, and what are some effective methods for remediation of contaminated soils to reduce their impact on agriculture?

answered Feb 13 in Environmental Chemistry

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52 views

How does the surface chemistry of detergents and cleaning agents allow them to remove dirt and stains from surfaces? What specific chemical processes and interactions occur between the cleaning agents and the dirt/stains on a molecular level?

answered Feb 12 in Surface Chemistry

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How can we design a drug that specifically targets and inhibits the activity of the angiotensin-converting enzyme (ACE) to regulate blood pressure levels in patients with hypertension?

answered Feb 12 in Medicinal Chemistry

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How can molecular docking studies aid in developing new drugs to target COVID-19 protease enzyme?

answered Feb 5 in Computational Chemistry

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31 views

How can quantum mechanics be applied to develop more efficient algorithms for simulating chemical reactions and predicting chemical properties, and what are the potential applications of these quantum information processing and quantum computing tools in the field of chemistry?

answered Feb 5 in Quantum Chemistry

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How can chemistry students ensure that they receive adequate preparation for chemistry-related careers before graduating from their degree programs?

answered Feb 4 in Chemical education

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38 views

Here's a question for the chemistry student to solve based on the subtopic of predicting the direction of a reaction at equilibrium:If the concentration of nitrogen dioxide (NO2) gas in a sealed container at equilibrium at a temperature of 450 K is increased, what will be the effect on the concentration of nitrogen monoxide (NO) in the container?

answered Feb 4 in Chemical equilibrium

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Calculate the standard entropy change for the reaction: 2H2 (g) + O2 (g) -> 2H2O (g) given the standard enthalpy of formation of H2O (g) is -241.8 kJ/mol at 298 K.

answered Feb 3 in Inorganic Chemistry

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Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid and sodium hydroxide, given the balanced chemical equation: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) and the enthalpy change of formation values: ∆Hf°(NaCl(aq)) = -407.3 kJ/mol ∆Hf°(H2O(l)) = -285.83 kJ/mol ∆Hf°(HCl(aq)) = -167.2 kJ/mol ∆Hf°(NaOH(aq)) = -469.11 kJ/mol

answered Feb 3 in Chemical thermodynamics

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What is the effect of temperature on the rate of a gas-phase reaction, AB → A + B, using Monte Carlo simulations and considering the collision energy of the reactants?

answered Jan 31 in Computational Chemistry

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41 views

According to the humanistic-existential theory, why is self-actualisation important?

answered Jan 20 in Psychology

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35 views

Where does the concept of 'the absurd' come from?

answered Jan 17 in Psychology

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What is a criticism of psychoanalytic theories?

answered Jan 16 in Psychology

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Who proposed the Schema Therapy?

answered Jan 15 in Psychology

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What is a manic episode?

answered Jan 14 in Psychology

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29 views

What is mindfully paying attention?

answered Jan 14 in Psychology

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30 views

What is the role of religion in moral development?

answered Jan 14 in Psychology

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What is the role of government in mental health?

answered Jan 14 in Psychology

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37 views

What is the central premise of Lawrence Kohlberg's theory of moral development?

answered Jan 14 in Psychology

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