Recent activity by CesarSpragg2

1 answer 32 views

What is the effect of reaction rate on reaction safety, and how can we investigate it experimentally? Provide a detailed explanation and experimental approach for a chemistry student to follow.

asked Feb 22 in Chemical kinetics

1 answer 34 views

How does the rate of a photochemical reaction change with temperature for a specific photochemical reaction, and what is the activation energy and pre-exponential factor for this reaction?

answered Feb 22 in PhotoChemistry

1 answer 33 views

How does the presence of sulfide minerals in acid mine drainage affect the pH and metal concentration of surface water in the surrounding area?

answered Feb 22 in Environmental Chemistry

1 answer 33 views

How does the prediction of electronic and magnetic properties of topological materials aid in the design and development of efficient electronic devices?

answered Feb 22 in Quantum Chemistry

1 answer 29 views

What is the effect of temperature on the reaction rate between hydrochloric acid and sodium thiosulphate, and how does it conform with the Arrhenius equation?

asked Feb 20 in Chemical kinetics

1 answer 35 views

What is the coordination number of a transition metal ion in a complex compound? Provide an example of a complex with a coordination number of 6 and explain the octahedral geometry that results from this coordination number.

asked Feb 19 in Coordination Chemistry

1 answer 32 views

How does the choice of polymer electrolyte affect the performance and efficiency of lithium-ion batteries?

answered Feb 18 in Polymer Chemistry

1 answer 28 views

What is the balanced chemical equation for the preparation of 2,4-dichlorobenzoic acid via the reaction between benzoic acid and chlorine gas under specific reaction conditions?

answered Feb 17 in Chemical synthesis

1 answer 40 views

How does sunlight affect the degradation of pollutants, such as pesticides and herbicides, in the environment and what are the chemical processes involved in photochemical degradation?

answered Feb 14 in PhotoChemistry

1 answer 37 views

How can the use of pesticides and fertilizers in sustainable agriculture be optimized to minimize their impact on the environment while still maintaining crop yields?

asked Feb 14 in Environmental Chemistry

1 answer 62 views

What is the identification of a compound using IR spectroscopy? Provide a specific example of how IR spectroscopy can be used to distinguish between two isomers.

answered Feb 13 in Organic Chemistry

1 answer 29 views

How does the regulation of glycolysis and gluconeogenesis differ in the liver compared to other tissues in the body? Provide examples of signaling pathways and enzymes involved in this regulation.

asked Feb 13 in BioChemistry

1 answer 27 views

How can the electrical conductivity of polymer-based electronic materials be optimized for use in electronic devices?

asked Feb 7 in Polymer Chemistry

1 answer 39 views

How can chemical modification of existing anti-inflammatory drugs lead to the development of more effective treatments for inflammatory diseases?

asked Feb 4 in Medicinal Chemistry

1 answer 38 views

How can a cost-effective and efficient system be designed to extract valuable metals like gold and silver from electronic waste, while minimizing environmental impact and complying with regulatory standards?

asked Feb 4 in Chemical engineering

1 answer 49 views

Calculate the standard Gibbs free energy change (ΔG°) for the electrochemical reaction of the reduction of copper ions (Cu2+) to copper atoms (Cu) using a copper electrode in a solution of copper sulfate (CuSO4) at 25°C. The standard reduction potential of the copper ion is +0.34 V.

asked Feb 3 in ElectroChemistry

1 answer 38 views

Calculate the standard enthalpy change for the reaction A(s) + 2B(g) → 3C(l) + D(g) given the following data:• ΔHf° for A(s) is -100 kJ/mol• ΔHf° for C(l) is -50 kJ/mol• ΔS° for the reaction is 450 J/K•mol• ΔS° for D(g) is 200 J/K•mol

asked Feb 3 in Inorganic Chemistry

1 answer 87 views

Calculate the standard enthalpy change for the given reaction using the given data:2H2(g) + O2(g) --> 2H2O(l)Given:ΔHf°(H2O(l)) = -285.83 kJ/molΔHf°(O2(g)) = 0 kJ/molΔHf°(H2(g)) = 0 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 88 views

How do changes in the atomic configuration affect the electronic and optical properties of perovskite materials, and how can we use quantum calculations to accurately predict these changes?

asked Jan 31 in Quantum Chemistry

1 answer 99 views

What is the binding energy of a non-covalent interaction between a water molecule and a methane molecule, calculated through quantum chemical calculations?

asked Jan 31 in Computational Chemistry

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