Answers by JaimeStockma

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What is the optimal concentration of nitric acid and sulfuric acid in the preparation of 2,4,6-trinitrotoluene from toluene to achieve the highest yield and purity of the final product?

answered Feb 21 in Chemical synthesis

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How does the temperature affect the phase behavior of a liquid crystal system modeled by Monte Carlo simulations, and what is the correlation between the magnitude of this effect and the molecular properties of the liquid crystal molecules?

answered Feb 17 in Computational Chemistry

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What is the molecular orbital diagram of ethene (C2H4), and how does the electronic structure explain the bonding in the molecule?

answered Feb 13 in Quantum Chemistry

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How can chemistry-related extracurricular activities be made more widely available to students in areas where resources are limited, in order to enhance their learning and interest in the subject?

answered Feb 6 in Chemical education

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Consider an electrochemical cell with the following half-cell reaction: Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s). Suppose the concentration of Cu2+ is 2.0 M and the concentration of Ag+ is 1.0 M. Calculate the resistance of the electrochemical cell if the cell potential is 0.60 V at 25°C.

answered Feb 3 in ElectroChemistry

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Calculate the standard Gibbs free energy change (ΔG°) for the following electrochemical reaction:Cu(s) + 2Ag⁺(aq) → Cu²⁺(aq) + 2Ag(s)Given: - Standard reduction potential for the half-reaction: Cu²⁺(aq) + 2e⁻ → Cu(s) E° = +0.34 V Ag⁺(aq) + e⁻ → Ag(s) E° = +0.80 V

answered Feb 3 in ElectroChemistry

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What are the new therapeutic targets and drug molecules that can be used to develop effective treatments for cardiovascular diseases?

answered Jan 31 in Medicinal Chemistry

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What is the chemical composition of acid rain, and how does it affect the pH level of soil and water bodies in areas prone to acid rain?

answered Jan 30 in Environmental Chemistry

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How can chemistry students and teachers work together to effectively advocate for increased funding for chemistry education?

answered Jan 30 in Chemical education

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Calculate the bond dissociation energy (in kJ/mol) required to break the carbon-hydrogen bond in methane using the given bond dissociation energies: C-H = 413 kJ/mol, C-C = 347 kJ/mol, C=C = 602 kJ/mol, H-H = 436 kJ/mol.

answered Jan 23 in ThermoChemistry

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Calculate the amount of heat that needs to be absorbed to crystallize 100 grams of sodium acetate (CH3COONa) from a saturated solution at 40°C. The heat of crystallization for sodium acetate is -264 kJ/mol.

answered Jan 23 in ThermoChemistry

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What is the oxidation state of nitrogen in NH4NO2?

answered Jan 21 in Inorganic Chemistry

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What is the name of the theory that suggests that our behaviour is the result of the reinforcement and punishment of certain behaviours?

answered Jan 20 in Psychology

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When was the concept of multiple intelligences proposed?

answered Jan 20 in Psychology

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When considering the role of a community psychologist, what is the term for working alongside community members to build capacity?

answered Jan 17 in Psychology

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When studying a correlation, what does a coefficient of 0.0 indicate?

answered Jan 17 in Psychology

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According to Adler, why do individuals develop a particular personality?

answered Jan 16 in Psychology

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When evaluating the effectiveness of cognitive behavioural therapy, what is meant by external validity?

answered Jan 15 in Psychology

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When do we use the method of constant stimuli?

answered Jan 15 in Psychology

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What is the role of adenosine in sleep?

answered Jan 14 in Psychology

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