Questions by GeraldoPatte

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1 answer 24 views

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.

asked 3 days ago in Chemical bonding

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1 answer 20 views

What is the balanced chemical equation for the synthesis reaction between calcium oxide (CaO) and water (H2O)?

asked Feb 17 in Chemical reactions

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1 answer 30 views

How does the surface tension of a biomembrane affect the diffusion of molecules across the membrane?

asked Feb 17 in Surface Chemistry

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1 answer 44 views

What is the hybridization of the central atom in SO2 and how do the orbitals overlap to form the molecule?

asked Feb 13 in Inorganic Chemistry

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1 answer 38 views

Using retrosynthetic analysis, outline a viable multi-step synthesis of ibuprofen from commercially available starting materials. Include appropriate reagents and conditions.

asked Feb 13 in Organic Chemistry

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1 answer 31 views

How can the optical properties of glasses be tailored to enhance their performance in applications such as lenses, optical fibers, and displays?

asked Feb 10 in Materials Chemistry

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1 answer 29 views

How can the formulation of new chemical compounds be optimized to improve the delivery and effectiveness of topical treatments for skin diseases?

asked Feb 7 in Medicinal Chemistry

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1 answer 28 views

How can the design of a chemical storage and transportation system be optimized to minimize the risk of chemical spills and accidents while ensuring efficient and cost-effective operation?

asked Feb 6 in Chemical engineering

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1 answer 38 views

Given the following electrochemical equation:Cu(s) | Cu²⁺(aq, 0.0100 M) || Cr³⁺(aq, 1.00 M) | Cr(s)At 298 K, the standard reduction potential for Cu²⁺/Cu is +0.34 V and for Cr³⁺/Cr is -0.74 V. Calculate the equilibrium constant (K) for the above electrochemical reaction.

asked Feb 4 in ElectroChemistry

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1 answer 70 views

Determine the entropy change for the combustion of methane gas (CH4) at constant pressure and 298 K. Given the standard molar entropy values are: S°(CH4) = 186 J/mol.K, S°(O2) = 205 J/mol.K, S°(CO2) = 214 J/mol.K and S°(H2O) = 188 J/mol.K.

asked Feb 4 in Chemical thermodynamics

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1 answer 89 views

How does the change in molecular geometry affect the electronic properties and the charge distribution of a given molecule? Use ab initio calculations to calculate the molecular properties of a selected molecule at different geometries and analyze the resulting data.

asked Jan 31 in Computational Chemistry

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1 answer 75 views

How can X-ray diffraction be utilized to determine the crystalline structure and composition of a given sample?

asked Jan 30 in Analytical Chemistry

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1 answer 48 views

Calculate the Gibbs free energy change for the following reaction at 298 K:2CH4(g) + 3O2(g) → 2CO2(g) + 2H2O(g)Given the standard Gibbs free energy of formation at 298 K for CH4(g), O2(g), CO2(g) and H2O(g) are -50.8 kJ/mol, 0 kJ/mol, -394.4 kJ/mol, and -241.8 kJ/mol respectively.

asked Jan 23 in Chemical thermodynamics

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1 answer 39 views

How does transcranial magnetic stimulation TMS affect the brain?

asked Jan 20 in Psychology

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1 answer 36 views

According to the social identity theory, what is the basis of our self-concept?

asked Jan 20 in Psychology

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1 answer 67 views

What does the cognitive-behavioural model suggest?

asked Jan 20 in Psychology

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1 answer 37 views

What is the cognitive triangle?

asked Jan 20 in Psychology

+1 vote

1 answer 39 views

According to social learning theory, how do people acquire new behaviors?

asked Jan 20 in Psychology

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1 answer 10 views

What is meant by reflexivity in qualitative research?

asked Jan 20 in Psychology

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1 answer 31 views

Who is more likely to experience in-group favouritism?

asked Jan 20 in Psychology

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