Recent activity by Lowell36338

1 answer 38 views

How does the polarity of the solvent affect the rate of the photochemical reaction for a specific light-sensitive compound?

answered Feb 22 in PhotoChemistry

1 answer 27 views

What is the equilibrium constant expression for the ionization of acetic acid (CH3COOH) in water, and what is the value of the equilibrium constant at 25°C?

asked Feb 20 in Chemical equilibrium

1 answer 28 views

What is the effect of pH on the electrokinetic potential of a positively charged colloidal particle in an aqueous solution? Provide an explanation based on the theory of double layer formation.

asked Feb 20 in Surface Chemistry

1 answer 29 views

How does the concentration of reactants and products affect the rate of a chemical reaction at equilibrium?

answered Feb 19 in Chemical kinetics

1 answer 37 views

How does the concentration of reactants affect the rate of a chemical reaction and can this relationship be quantified through measurements of reaction time and product yield?

answered Feb 19 in Chemical kinetics

1 answer 28 views

How do the surface-active agents in detergents and cleaning agents help in the removal of dirt and stains from different surfaces?

answered Feb 17 in Surface Chemistry

1 answer 37 views

What factors affect the stability of inorganic compounds and how can we predict the stability of a given inorganic compound based on its chemical structure and properties?

answered Feb 14 in Inorganic Chemistry

1 answer 33 views

What are the key photochemical properties of photosensitive materials used in photography, and how do these properties determine the quality and characteristics of the final image produced?

answered Feb 14 in PhotoChemistry

1 answer 113 views

What is the effect of altering the reactant concentrations on the rate of chemical reactions that follow a consecutive mechanism? Provide a detailed explanation with the necessary chemical equations and experimental evidence to support your answer.

asked Feb 13 in Chemical kinetics

1 answer 68 views

What are the key differences between Differential Scanning Calorimetry (DSC) and Thermal Gravimetric Analysis (TGA) for the characterization of polymeric materials and how do these differences affect the interpretation of the test results?

asked Feb 12 in Polymer Chemistry

1 answer 36 views

How can we design a cost-effective and efficient system using chemical processes to recover valuable metals such as gold, silver, and copper from electronic waste?

asked Feb 12 in Chemical engineering

1 answer 68 views

What is the role of copper ions in the active site of the enzyme cytochrome c oxidase, and how does the coordination chemistry of the copper ions contribute to the enzyme's function in cellular respiration?

answered Feb 12 in Coordination Chemistry

1 answer 37 views

How can the structure and properties of a drug be designed to selectively target and modulate specific metabolic pathways in order to effectively treat metabolic disorders?

asked Feb 11 in Medicinal Chemistry

1 answer 92 views

How can the purity level of a chemical be increased from 80% to 99% through the development of a purification process in chemical engineering?

answered Feb 10 in Chemical engineering

1 answer 41 views

How can the knowledge of metabolic pathways be utilized in the design of new drugs for treating metabolic disorders, such as type 2 diabetes and obesity?

answered Feb 7 in Medicinal Chemistry

1 answer 39 views

How can the environmental impact of polymer-based packaging materials be reduced while maintaining their functionality and durability?

asked Feb 7 in Polymer Chemistry

1 answer 43 views

How can education in environmental chemistry be improved to help students better understand the impact their chemical experiments and research may have on the environment?

answered Feb 5 in Chemical education

1 answer 36 views

How can chemistry educators provide students with greater exposure to current research in chemistry to enhance their understanding and interest in the subject?

asked Feb 4 in Chemical education

1 answer 115 views

Determine the standard enthalpy change for the vaporization of 50g of ethyl alcohol (C2H5OH) at its normal boiling point of 78.4°C. Given that the molar heat of vaporization of ethyl alcohol is 38.56 kJ/mol and the molar mass of ethyl alcohol is 46.07 g/mol.

answered Feb 4 in Chemical thermodynamics

1 answer 80 views

Calculate the standard heat of formation of water (H2O) using the bond dissociation energies of H2 and O2 and the standard heat of combustion of methane (CH4).

answered Feb 3 in Chemical bonding

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