Recent activity by StacyS111358

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What is the effect of pH on the rate of the reaction between magnesium and hydrochloric acid?

1 answer 31 views

How does pH affect the rate of the reaction between hydrochloric acid and sodium thiosulphate?

1 answer 35 views

What are the mechanical properties of a newly synthesized polymer and how can they be optimized for use in orthopedic implants to improve the success rate of the implant?

asked Feb 20 in Materials Chemistry

1 answer 23 views

How does the electronic configuration of transition metals such as iron, cobalt, and nickel determine their reactivity towards ligands in coordination compounds?

answered Feb 20 in Inorganic Chemistry

1 answer 26 views

How does the concentration of reactants affect the reaction rate and efficiency in a chemical reaction?

answered Feb 19 in Chemical kinetics

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How does the computational study of enzyme catalysis aid in the discovery and design of more efficient enzyme inhibitors for the treatment of diseases?

asked Feb 18 in Computational Chemistry

1 answer 29 views

What is the balanced chemical equation for the precipitation reaction between aqueous solutions of lead(II) nitrate and potassium iodide that results in the formation of solid lead(II) iodide and aqueous potassium nitrate?

asked Feb 17 in Chemical reactions

1 answer 26 views

How do the properties of surfactants change with variations in their molecular structures and how do these changes affect their behavior in different types of surfaces?

answered Feb 17 in Surface Chemistry

1 answer 29 views

What are the possible reasons for inadequate preparation for chemistry exams among students and what steps can be taken to overcome this issue?

asked Feb 14 in Chemical education

1 answer 42 views

How can the yield of polyethylene synthesis from ethylene be optimized while minimizing the formation of byproducts and maintaining the desired molecular weight and physical properties of the polymer?

asked Feb 14 in Chemical synthesis

1 answer 45 views

How to optimize the production of solvent-based paints and coatings to reduce the use of hazardous chemicals without compromising the quality and performance of the final product?

answered Feb 14 in Chemical engineering

1 answer 73 views

How do Chlorofluorocarbons (CFCs) deplete the ozone layer and what are the chemical reactions involved?

answered Feb 12 in Environmental Chemistry

1 answer 53 views

How can the production process for a specific specialty chemical be optimized to improve its yield and purity, while minimizing energy consumption and waste generation?

asked Feb 10 in Chemical engineering

1 answer 27 views

How can Computational chemistry and molecular modeling be used to predict the properties of a new drug candidate?

answered Feb 5 in Physical Chemistry

1 answer 78 views

Calculate the standard free energy change, ΔG°, for the following redox reaction at 298 K:2Fe3+(aq) + 2I-(aq) → 2Fe2+(aq) + I2(s)The standard reduction potential values for Fe3+ and Fe2+ are -0.037 V and -0.44 V respectively, while the standard reduction potential value for I2 is 0.535 V.

answered Feb 3 in Chemical thermodynamics

1 answer 87 views

Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2 O2(g) -> Fe2O3(s) given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol and that of Fe(s) is 0 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 109 views

What is the concentration of sodium ions in a 0.5M solution of NaCl using a sodium-selective electrode?

answered Jan 30 in Analytical Chemistry

1 answer 39 views

How can a medicinal chemist design a drug to selectively target the enzyme (or receptor) of interest and avoid non-specific interactions with other proteins in the body?

answered Jan 30 in Medicinal Chemistry

1 answer 111 views

What possible solutions can be implemented to improve access to chemistry textbooks and resources for students in low-income areas or developing countries where limited availability of such materials is a barrier to learning?

asked Jan 30 in Chemical education

1 answer 79 views

Calculate the lattice energy of calcium oxide (CaO) given the following information: - The ionic charges of calcium (Ca) and oxygen (O) are +2 and -2, respectively. - The distance between the Ca and O ions in the lattice is 2.36 Å. - The Madelung constant for CaO is 1.74.

answered Jan 23 in Inorganic Chemistry

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