Answers by Linnea35385

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What is the predicted mechanism for the reaction between ethane and chlorine gas, and how does the presence of a catalyst affect the selectivity of the reaction?

answered Feb 22 in Quantum Chemistry

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What is the mechanism of the reaction between benzene and bromine to form bromobenzene?

answered Feb 22 in Organic Chemistry

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What is the quantum yield of the photolysis of benzene on a certain wavelength λ? Provide a detailed explanation of the photophysical processes involved and the mathematical method used to calculate the quantum yield.

answered Feb 22 in Physical Chemistry

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How does the presence of unpaired electron(s) affect the magnetic properties of a molecule or material, and how can we use quantum chemistry calculations to predict and interpret these properties?

answered Feb 22 in Quantum Chemistry

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How do different synthetic methods and material compositions affect the performance of catalysts used in fuel cells?

answered Feb 22 in Materials Chemistry

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How does the orientation of reactant molecules affect the reaction rate in the presence of a catalyst?

answered Feb 22 in Chemical kinetics

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What is the mechanism of action behind the photochemical properties of silver halides in photographic materials, and how does this lead to the formation of a visible image?

answered Feb 20 in PhotoChemistry

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What is the heat of formation of water (H2O) at standard conditions (25°C and 1 atm pressure) if the enthalpy change of the reaction 2H2(g) + O2(g) → 2H2O(l) is -484 kJ/mol?

answered Feb 20 in Chemical bonding

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What is the environmental impact of the discharge of heavy metals from a particular factory on the local water resources and how can it be minimized using available technologies?

answered Feb 19 in Environmental Chemistry

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What is the general mechanism of photochemical reactions in organic compounds? Provide examples of such reactions and explain how the energy from light is translated into chemical changes within the molecule.

answered Feb 14 in PhotoChemistry

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39 views

Consider a weak acid, HA, with a dissociation constant, Ka = 1.8 x 10^-5. What will be the effect on the concentration of [H3O+] and the degree of ionization of the acid if 0.1 moles of HCl is added to 1 liter of a 0.1 M solution of HA?

answered Feb 3 in Chemical equilibrium

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Calculate the equilibrium constant (K) of the electrochemical reaction below at 298K:Fe(s) + Cu2+(aq) ⇌ Fe2+(aq) + Cu(s) Given that at standard state (1 atm and 298K) the standard reduction potentials of Fe2+(aq)/Fe(s) and Cu2+(aq)/Cu(s) are -0.44 V and +0.34 V, respectively.

answered Jan 23 in ElectroChemistry

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20 views

Calculate the bond dissociation energy of the CO molecule, given that the bond length is 1.128 Å and the electron affinity of carbon and oxygen are -154 kJ/mol and -141 kJ/mol, respectively.

answered Jan 23 in Chemical bonding

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56 views

How do the biological and cognitive theories of depression differ?

answered Jan 20 in Psychology

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73 views

What is general intelligence or g factor?

answered Jan 17 in Psychology

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According to the social cognitive theory, how do people learn from social influences?

answered Jan 17 in Psychology

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Why is AI useful in neurocognitive research?

answered Jan 16 in Psychology

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According to the multiple intelligences theory, what type of intelligence is related to the ability to understand and solve problems using numbers?

answered Jan 15 in Psychology

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What are the components of a hypothesis?

answered Jan 14 in Psychology

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What is the main aim of cultural psychology?

answered Jan 14 in Psychology

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