Recent activity by ElidaHaskins

1 answer 75 views

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

asked Feb 22 in Chemical kinetics

1 answer 74 views

How does the rate of a photochemical reaction change with varying temperatures, and what is the underlying mechanism behind this behavior?

answered Feb 22 in PhotoChemistry

1 answer 87 views

How do the photochemical properties of metal nanoparticles differ from those of semiconductor nanoparticles, and how can these differences be attributed to their electronic structures?

asked Feb 22 in PhotoChemistry

1 answer 79 views

How does the formation of the thymine dimer affect DNA replication and what mechanisms are in place to repair this type of damage?

answered Feb 20 in BioChemistry

1 answer 81 views

What is the Faraday constant, and how is it calculated for a given electrochemical cell? Take the example of a cell with nickel electrodes in 1M nickel sulfate solution at 25°C and apply the formula to determine the Faraday constant.

answered Feb 20 in ElectroChemistry

1 answer 75 views

What is the effect of temperature on the adsorption of gases on solid surfaces? Explain with the help of an experiment.

asked Feb 19 in Surface Chemistry

1 answer 76 views

What is the effect of changing the reactant concentration ratio on the initial reaction rate and reaction order of a chemical reaction involving two reactants with different stoichiometries?

answered Feb 19 in Chemical kinetics

1 answer 75 views

What is the correlation between the electronic structure and magnetic properties of transition metal complexes? How can we predict the magnetic behavior of these complexes using quantum chemistry calculations?

answered Feb 19 in Quantum Chemistry

1 answer 82 views

How does the concentration of reactants affect the selectivity of a reaction in the synthesis of a specific compound?

answered Feb 19 in Chemical kinetics

1 answer 72 views

How does the change in the type of solvent affect the rate of a chemical reaction?

answered Feb 18 in Chemical kinetics

1 answer 81 views

How can we predict the 3D structure of a molecule and its properties, such as reactivity and stability, using computational chemistry tools and molecular modeling techniques?

asked Feb 14 in Physical Chemistry

1 answer 117 views

One potential question for a chemistry student to solve related to amino acid metabolism and biosynthesis could be: How does the activity of the enzyme glutamine synthetase contribute to the production of nonessential amino acids in the body?

answered Feb 13 in BioChemistry

1 answer 117 views

How can the process of producing polymers be optimized to increase production efficiency without compromising the quality of the final product?

asked Feb 10 in Chemical engineering

1 answer 93 views

How can one determine if a molecule exhibits positional isomerism or functional isomerism? Provide examples of each type of isomerism, and explain the structural differences between the isomers.

answered Feb 5 in Chemical bonding

1 answer 66 views

Design a process for the large-scale production of hydrogen peroxide with high purity and yield, taking into consideration the environmental and economic factors.

asked Feb 4 in Chemical engineering

1 answer 136 views

Design a distillation column for the separation of a mixture containing 35% Ethanol and 65% Water. Calculate the number of theoretical plates required for the separation if the column operates at a pressure of 1 atm and a reflux ratio of 1.5.

asked Feb 3 in Chemical engineering

1 answer 126 views

Describe the factors that contribute to the fluidity of the lipid bilayer of a cell membrane and explain how changes in these factors can affect membrane function.

answered Feb 3 in BioChemistry

1 answer 198 views

Calculate the standard enthalpy change for the phase transition reaction where 100.0 grams of solid water (ice) at -10.0 °C is heated to form 100.0 grams of liquid water at 10.0 °C, given the specific heat capacities of ice and water are 2.09 J/g·°C and 4.18 J/g·°C, respectively, and the enthalpy of fusion of water is 6.01 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 166 views

How does changing the reaction conditions (e.g. temperature, pressure, solvent) affect the reaction mechanism of a particular chemical reaction? Use quantum chemical calculations to predict the mechanism and compare it to experimental results.

asked Feb 3 in Computational Chemistry

1 answer 133 views

What type of bond is formed between hydrogen and oxygen atoms in H2O?

answered Jan 30 in Chemical bonding

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