Answers by CharmainHers

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How does the increase in temperature affect the reaction rate of the decomposition of hydrogen peroxide catalyzed by manganese dioxide (MnO2)?

answered 1 day ago in Chemical kinetics

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21 views

How does the particle size of a gold nanoparticle affect its surface area and reactivity in catalysis reactions?

answered 3 days ago in Physical Chemistry

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23 views

How does the molecular structure of a particular compound affect its rate of energy transfer processes and dynamics within a given solvent?

answered 4 days ago in Quantum Chemistry

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23 views

How does the electronic band structure of a metal change under different strain conditions, as predicted by density functional theory calculations?

answered 5 days ago in Computational Chemistry

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32 views

How does the central metal ion in metalloporphyrins and metallophthalocyanines affect their electronic properties and reactivity towards molecular oxygen?

answered Feb 18 in Coordination Chemistry

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9 views

What factors contribute to the enhancement of Raman signals in Surface-enhanced Raman spectroscopy (SERS) and how can they be optimized to obtain the highest possible signal enhancement?

answered Feb 17 in Surface Chemistry

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31 views

What are the differences between purines and pyrimidines in terms of molecular structure and how those differences impact the genetic code stored in DNA?

answered Feb 14 in BioChemistry

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32 views

How can the knowledge of chemistry be applied to tackle environmental issues, such as pollution and climate change, and how does this contribute to the overall economic development of a country?

answered Feb 7 in Chemical education

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29 views

How can the adhesive strength of a polymer-based adhesive be improved for bonding plastics?

answered Feb 6 in Polymer Chemistry

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34 views

How can chemistry teachers provide effective support to students with learning disabilities during laboratory experiments?

answered Feb 5 in Chemical education

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43 views

Calculate the standard Gibbs free energy change, ΔG°, for the electrochemical reaction of 2 moles of aluminum (Al) being oxidized to form 3 moles of aluminum oxide (Al2O3) in a standard state. Given that E°cell for the reaction is 1.66 V and the standard potential for the reduction of Al3+ ions to Al is -1.66 V.

answered Feb 3 in ElectroChemistry

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38 views

How does changing the temperature affect the behavior of a polymer system composed of 1000 chains constructed from styrene monomers, as determined by Monte Carlo simulations, and how can this information be applied to design synthetic polymers with specific properties?

answered Feb 3 in Computational Chemistry

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74 views

How can we use voltammetry to determine the concentration of lead in a water sample collected from a contaminated source?

answered Jan 30 in Analytical Chemistry

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68 views

Calculate the lattice energy of LiF using the Born-Haber cycle, given the following enthalpies of formation and sublimation energies: ΔH°sub (Li) = 161 kJ/mol ΔH°sub (F2) = 155 kJ/mol ΔH°f (LiF) = - 590 kJ/mol IE (Li) = 520 kJ/mol EA (F) = -328 kJ/mol.

answered Jan 23 in Inorganic Chemistry

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9 views

When assessing the effectiveness of MBCT, what are some of the limitations to consider?

answered Jan 20 in Psychology

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9 views

What is the impact of sleep on mental rotation?

answered Jan 20 in Psychology

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58 views

Why did Milgram's obedience study receive criticism?

answered Jan 20 in Psychology

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75 views

What is the role of metacognition in cognitive development?

answered Jan 20 in Psychology

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31 views

According to the cognitive-behavioural theory, how does anxiety develop?

answered Jan 17 in Psychology

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32 views

According to the social identity theory, why do people form groups?

answered Jan 17 in Psychology

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