Recent activity by Anglea937174

1 answer 29 views

How does the shape and size of metal complexes affect their photochemical properties? Provide specific examples and experimental evidence.

answered Feb 24 in PhotoChemistry

1 answer 30 views

What is the most efficient method for the preparation of 4-bromoacetanilide from acetanilide and bromine, and what are the optimization conditions required to achieve the highest yield and purity in the reaction?

asked Feb 21 in Chemical synthesis

1 answer 32 views

What is the molecular geometry and bond angle of ammonia (NH3) using the VSEPR theory?

asked Feb 21 in Quantum Chemistry

1 answer 34 views

What is the mechanism behind the photochemical processes of photosensitive materials used in photography, and how does it contribute to the production of high-quality photographs?

answered Feb 20 in PhotoChemistry

1 answer 36 views

How does the concentration of lead in soil affect the growth of plants?

asked Feb 19 in Environmental Chemistry

1 answer 33 views

How does the presence of quantum coherence and entanglement in molecular systems affect their reactivity and stability at the nanoscale level?

asked Feb 14 in Quantum Chemistry

1 answer 34 views

How to use Monte Carlo simulations to study the melting point of a certain metal or compound under various pressure conditions?

asked Feb 13 in Computational Chemistry

1 answer 63 views

How can we increase diversity in the chemistry field and what measures can be taken to create a more inclusive and welcoming environment for underrepresented groups?

answered Feb 13 in Chemical education

1 answer 57 views

What are the hybrid orbitals in the molecule CH4 and how do they contribute to the overall structure and bonding of the molecule?

asked Feb 13 in Chemical bonding

1 answer 76 views

How does the presence of fine particulate matter in the air contribute to the development of respiratory illnesses such as asthma and bronchitis in humans, and what chemical properties of these particles make them harmful to human health?

asked Feb 13 in Environmental Chemistry

1 answer 39 views

How can technology be effectively integrated into teaching chemical concepts and practical applications in a way that enhances students' learning experience and understanding of chemistry?

asked Feb 6 in Chemical education

1 answer 36 views

How can chemistry teachers provide better support and accommodations for students with learning disabilities to effectively learn and understand chemistry concepts and apply them in laboratory experiments?

answered Feb 5 in Chemical education

1 answer 60 views

Calculate the standard enthalpy change for the neutralization reaction between 50.0 mL of 0.100 M hydrochloric acid and 75.0 mL of 0.080 M sodium hydroxide. Given: the specific heat capacity of the solution is 4.18 J/g°C and the density of the solution is 1.00 g/mL. The balanced chemical equation for the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l).

answered Feb 3 in Chemical thermodynamics

1 answer 113 views

What strategies can be implemented to overcome the limited availability of chemistry textbooks and resources for students in remote or underprivileged areas?

asked Jan 30 in Chemical education

1 answer 85 views

How can you determine the concentration of copper ions in a sample using spectrophotometry?

answered Jan 30 in Analytical Chemistry

1 answer 75 views

Calculate the enthalpy change of oxidation for the combustion of 1 mole of ethane gas (C₂H₆) in oxygen gas (O₂) to form carbon dioxide gas (CO₂) and water vapor (H₂O), given the following enthalpies of formation: ΔHf(C₂H₆) = -84.7 kJ/mol, ΔHf(CO₂) = -393.5 kJ/mol, ΔHf(H₂O) = -241.8 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 69 views

Calculate the bond dissociation energy (in kJ/mol) of the C-H bond in methane (CH4) using experimental data.

answered Jan 23 in ThermoChemistry

1 answer 95 views

A sample of 55.0 g of ethanol at 25°C is vaporized at its normal boiling point. The enthalpy of vaporization for ethanol is 38.56 kJ/mol. Calculate the amount of heat energy required for this process.

answered Jan 22 in ThermoChemistry

1 answer 51 views

According to Transformational Theory, how does a leader foster engagement among followers?

asked Jan 20 in Psychology

1 answer 50 views

When evaluating a theory, what is the criterion for simplicity?

asked Jan 20 in Psychology

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