Recent activity by KenOlvera57

1 answer 22 views

How does the presence of surfactants in detergents affect the surface tension of water and its ability to remove dirt and stains from clothes?

answered 3 days ago in Surface Chemistry

1 answer 6 views

How does the metabolic pathway of a particular drug affect its efficacy and potential side effects in the body?

asked 4 days ago in Medicinal Chemistry

1 answer 7 views

How does insulin signaling pathway work to regulate glucose metabolism in the liver cells?

asked 4 days ago in BioChemistry

1 answer 21 views

What is the enthalpy change for the oxidation of 1 mole of ethanol to acetic acid? Given the following balanced chemical equation for the reaction: C2H5OH + 2O2 → 2CO2 + 3H2O ∆H = -1367 kJ/mol.

answered 5 days ago in ThermoChemistry

1 answer 18 views

What is the crystal structure of diamond and how does it relate to its physical properties, such as its high hardness and thermal conductivity?

asked 5 days ago in Physical Chemistry

1 answer 14 views

What is the balanced chemical equation for the thermal decomposition of calcium carbonate (CaCO3) to produce calcium oxide (CaO) and carbon dioxide (CO2) gas?

asked Feb 17 in Chemical reactions

1 answer 22 views

How does surface modification of nanoparticles affect their reactivity and stability in various chemical reactions? Please provide specific examples and supporting evidence from recent research studies.

answered Feb 17 in Surface Chemistry

1 answer 29 views

What is the crystal structure of sodium chloride (NaCl) and how does it form?

answered Feb 14 in Physical Chemistry

1 answer 31 views

How can we use quantum chemistry to predict the catalytic activity and selectivity of a particular catalyst in a chemical reaction?

asked Feb 14 in Quantum Chemistry

1 answer 28 views

What kind of inorganic solid would you classify MgO (Magnesium Oxide) as? Ionic, covalent or metallic? Please provide a detailed explanation to support your answer.

asked Feb 13 in Inorganic Chemistry

1 answer 38 views

How do metal ions in metalloenzymes and metalloproteins facilitate their biological functions? Provide examples of metalloenzymes and metalloproteins and discuss the coordination chemistry involved in their activities.

asked Feb 13 in Coordination Chemistry

1 answer 29 views

How does the density of a polymer chain dependence vary with temperature, molecular weight, and chain stiffness in Monte Carlo simulations of polymer systems?

asked Feb 13 in Computational Chemistry

1 answer 40 views

What is the oxidation number of carbon in CH3OH in a redox reaction where it is reacting with K2Cr2O7 (potassium dichromate) in acidic medium?

answered Feb 13 in Chemical reactions

1 answer 42 views

What are the predominant intermolecular forces present in a sample of water and how do they contribute to its unique properties?

answered Feb 13 in Chemical bonding

1 answer 34 views

How can the purification process of a chemical be optimized to achieve a high product yield without compromising the quality of the final product?

answered Feb 10 in Chemical engineering

1 answer 33 views

How can the manufacturing process for a specific polymer be optimized to improve its strength and durability without compromising its other properties?

answered Feb 7 in Polymer Chemistry

1 answer 9 views

How can chemistry teachers spark interest in the subject among students who perceive it as difficult and uninteresting?

answered Feb 5 in Chemical education

1 answer 36 views

How can environmental chemistry principles be incorporated into the curriculum of high school chemistry courses effectively, to ensure students have a better understanding of the impact of chemicals and pollutants on the environment and human health?

asked Feb 5 in Chemical education

1 answer 46 views

Calculate the standard enthalpy change for the vaporization of 25.0 grams of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 52 views

Calculate the standard enthalpy change for the reaction of 2 moles of liquid ethanol (C2H5OH) reacting with 1 mole of gaseous oxygen (O2) to form 2 moles of gaseous carbon dioxide (CO2) and 3 moles of liquid water (H2O) at a temperature of 298K. Assume the reactants and products are at standard state conditions.

asked Feb 3 in Chemical thermodynamics

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