Recent activity by TahliaEvatt8

1 answer 25 views

What are the optimal composition and thermal treatment conditions for a titanium alloy that exhibits high strength, low density, and excellent corrosion resistance for use in aerospace applications?

asked 4 days ago in Materials Chemistry

1 answer 24 views

What is the formal charge on the nitrogen atom in the compound NH4+?

answered 5 days ago in Chemical bonding

1 answer 29 views

What is the effect of changing the concentration of reactants and/or products on the reaction rate and equilibrium of a chemical reaction? Provide experimental evidence to support your answer.

answered 6 days ago in Chemical kinetics

1 answer 21 views

What is the chemical process involved in the conversion of a carboxylic acid to a corresponding acid anhydride and how does the reaction mechanism differ when using a carboxylic acid chloride instead?

asked 6 days ago in Organic Chemistry

1 answer 22 views

How does the concentration of protein in a solution affect its adsorption on a solid surface, and how can this information be used to optimize the binding capacity of protein-based biosensors?

asked Feb 19 in Surface Chemistry

1 answer 32 views

How does the concentration of greenhouse gases in the atmosphere affect global warming?

asked Feb 19 in Environmental Chemistry

1 answer 28 views

How does the composition of glass affect its optical properties and how can this understanding be used to develop improved glasses for optical applications?

asked Feb 18 in Materials Chemistry

1 answer 34 views

How does the Calvin cycle, a biochemical pathway used by photosynthetic organisms to fix carbon dioxide, specifically convert carbon dioxide into glucose molecules?

asked Feb 18 in BioChemistry

1 answer 40 views

What is the mechanism of the acid-catalyzed dehydration of 1-methoxy-2-methylcyclohexane to yield a mixture of alkenes? Draw the structures of the expected alkenes and explain which one is the major product and why.

answered Feb 17 in Organic Chemistry

1 answer 20 views

What is the impact of plasma treatment on the surface properties of biomaterials and how does that affect their biocompatibility?

asked Feb 14 in Surface Chemistry

1 answer 34 views

How can we design new drugs for cancer treatment that selectively target cancer cells while sparing healthy cells, and what chemical modifications can be made to improve their efficacy and minimize toxicity?

asked Feb 12 in Medicinal Chemistry

1 answer 23 views

What are the different types of isomerism exhibited by coordination compounds and how can we differentiate them experimentally?

asked Feb 12 in Coordination Chemistry

1 answer 38 views

How can the electronic transport properties of a molecular system be evaluated using density functional theory (DFT) calculations, and how do factors such as molecular structure and device contacts impact the resulting transport properties?

asked Feb 7 in Computational Chemistry

1 answer 40 views

How can computational methods be utilized to predict and optimize the adsorption properties of metal-organic frameworks for the efficient removal of carbon dioxide from flue gas?

asked Feb 6 in Computational Chemistry

1 answer 31 views

How can quantum chemistry be used to predict the rate and mechanism of a specific chemical reaction?

answered Feb 5 in Quantum Chemistry

1 answer 34 views

How can magnetic resonance spectroscopy be used to determine the purity and concentration of a sample in organic chemistry?

asked Feb 5 in Physical Chemistry

1 answer 41 views

Calculate the standard potential of a Daniell cell if the concentration of copper ions and zinc ions in their respective half-cells is 1.0 M and the temperature of the cell is 25°C. The standard reduction potentials of copper and zinc electrodes are +0.34 V and -0.76 V respectively.

asked Feb 3 in Physical Chemistry

1 answer 57 views

Calculate the standard Gibbs free energy change for the electrochemical reaction of zinc and copper ions: Zn(s) + Cu2+(aq) → Cu(s) + Zn2+(aq)Given the following standard electrode potentials: E°(Cu2+(aq) + 2e- → Cu(s)) = 0.34 V E°(Zn2+(aq) + 2e- → Zn(s)) = -0.76 V Assume standard conditions (25°C and 1 atm pressure) and that the concentrations of the copper and zinc ions are both 1 mol/L.

answered Feb 3 in ElectroChemistry

1 answer 41 views

Calculate the standard enthalpy change for the following chemical reaction involving solutions:2HNO3(aq) + Ba(OH)2(aq) → Ba(NO3)2(aq) + 2H2O(l)Given the following information:ΔHf° [HNO3(aq)] = -207.5 kJ/molΔHf° [Ba(OH)2(aq)] = -994.0 kJ/molΔHf° [Ba(NO3)2(aq)] = -537.5 kJ/mol

asked Feb 3 in Chemical thermodynamics

1 answer 63 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?

answered Jan 31 in Quantum Chemistry

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