Recent activity by MarcellaFurp

1 answer 26 views

What is the reaction mechanism and rate constant for the reaction of methane with chlorine gas to form methyl chloride and hydrogen chloride gas under standard conditions, based on quantum chemical calculations using density functional theory?

asked Feb 22 in Computational Chemistry

1 answer 35 views

What is the rate constant and mechanism for the reaction between hydrogen gas and iodine gas to form hydrogen iodide? Can the reaction be catalyzed and, if so, what would be the effect on the rate of the reaction?

answered Feb 22 in Quantum Chemistry

1 answer 12 views

What practical applications can you suggest to explain the reaction between hydrochloric acid and sodium bicarbonate to a non-chemist? Provide specific examples and explain the chemical concepts involved in the reaction.

answered Feb 22 in Chemical education

1 answer 28 views

What is the electronic ground state configuration of the molecule carbon monoxide (CO), and how does this configuration relate to the bonding and physical properties of the molecule? Use quantum chemical calculations to support your answer.

asked Feb 20 in Quantum Chemistry

1 answer 35 views

What is the balanced chemical equation for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine, and what is the theoretical yield of the reaction?

asked Feb 17 in Chemical synthesis

1 answer 41 views

How does the addition of specific metal components affect the mechanical properties (such as strength, ductility, and corrosion resistance) of aerospace alloys used in aggressive environments?

asked Feb 17 in Materials Chemistry

1 answer 38 views

What is the polarity of the bond between nitrogen and oxygen in the molecule NO2?

answered Feb 13 in Chemical bonding

1 answer 65 views

How can we improve the compatibility of polymer blends and enhance their physical properties?

answered Feb 13 in Polymer Chemistry

1 answer 93 views

What is the relationship between two chiral molecules of tartaric acid, namely D-tartaric acid and L-tartaric acid, and how do they affect the plane-polarized light?

asked Feb 12 in Organic Chemistry

1 answer 62 views

How can we use coordination polymers and metal-organic frameworks for efficient gas storage and separation applications?

asked Feb 12 in Coordination Chemistry

1 answer 66 views

How can the properties of polymer-based materials be tuned to optimize their performance in 3D printing applications? Specifically, what modifications to the chemistry of the polymer can improve factors such as printability, mechanical strength, and biocompatibility?

answered Feb 10 in Polymer Chemistry

1 answer 32 views

How can limited opportunities for hands-on experimentation in chemistry affect a student's understanding of chemical concepts and their ability to apply them in real-world situations?

asked Feb 6 in Chemical education

1 answer 41 views

How can molecular modeling be used to predict the behavior of a specific chemical compound under different temperatures and pressures?

asked Feb 5 in Physical Chemistry

1 answer 119 views

How can chemistry education programs increase diversity in the chemistry field to promote equity and foster innovation?

asked Feb 4 in Chemical education

1 answer 38 views

How can a student adequately prepare for a chemistry exam, specifically in the areas of stoichiometry and balancing chemical equations? Provide examples and strategies for improving understanding and retention of these concepts.

asked Feb 4 in Chemical education

1 answer 71 views

Calculate the standard enthalpy change for the following reaction at 298 K:Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

answered Feb 3 in Quantum Chemistry

1 answer 98 views

How does alternative splicing affect the function of RNA in gene expression? Provide specific examples of alternative splicing patterns and their resulting changes in protein isoforms.

asked Jan 31 in BioChemistry

1 answer 103 views

What are the specific functional groups present in a given organic compound, and can they be identified using infrared spectroscopy? How can the data obtained from an infrared spectrum be used to confirm the presence of these functional groups?

asked Jan 30 in Analytical Chemistry

1 answer 65 views

How can the presence of fluoride ions in a water sample be identified using an ion-selective electrode, and what are the factors that affect the accuracy and precision of the measurement?

asked Jan 29 in Analytical Chemistry

1 answer 107 views

A chemistry student needs to calculate the new value of the ionization constant (Ka) of a weak acid when the temperature is raised from 25°C to 45°C, given that the initial value of Ka is 1.8 x 10^-5 at 25°C and the enthalpy of ionization (ΔHion) is 50.2 kJ/mol.

answered Jan 22 in Chemical equilibrium

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