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How can one improve the compatibility of two different polymers in a blend while maintaining their desired properties?

asked Feb 5 in Polymer Chemistry by RockyParas48 (2.5k points)

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How can computational studies be used to predict and analyze the self-assembly behavior of supramolecular structures and their properties, such as stability and reactivity?

asked Feb 5 in Computational Chemistry by MerissaGxv8 (1.7k points)

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Here's a precise problem for a chemistry student to solve, based on Thermochemistry and the Enthalpy of Desorption Calculations:Given the following data for the adsorption of hydrogen gas on a metal surface:- Initial pressure of hydrogen gas = 1 atm- Final pressure of hydrogen gas after adsorption = 0.2 atm- Temperature = 298 K- Surface area of the metal = 5 cm^2- Enthalpy of Desorption of hydrogen gas on the metal surface = -40 kJ/molCalculate the enthalpy change (in kJ) for the adsorption of hydrogen gas on the metal surface.

asked Feb 4 in ThermoChemistry by Beatris09Q13 (1.9k points)

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Given a half-reaction Cu2+(aq) + 2e- --> Cu(s) with an electrode potential of +0.34V and a half-reaction Fe3+(aq) + e- --> Fe2+(aq) with an electrode potential of +0.77V, what is the cell potential for the electrochemical reaction when Cu2+(aq) and Fe3+(aq) ions react to form Cu(s) and Fe2+(aq) ions?

asked Feb 4 in ElectroChemistry by EttaRide758 (1.3k points)

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How can chemistry teachers provide better support and accommodations for students with learning disabilities to help them succeed in their chemistry coursework?

asked Feb 5 in Chemical education by AntonyKnotts (1.8k points)

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Determine the standard enthalpy change for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) Given:ΔHf°[Fe2O3(s)] = -824.2 kJ/mol ΔHf°[CO(g)] = -110.5 kJ/mol ΔHf°[Fe(s)] = 0 kJ/mol ΔHf°[CO2(g)] = -393.5 kJ/mol

asked Feb 4 in Chemical thermodynamics by ClaraCraddoc (1.6k points)

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Here is a problem related to Hess's Law for the student to solve:Suppose you are given the following three equations, each with their respective enthalpy change: (1) 2H2(g) + O2(g) --> 2H2O(l) ΔH₁ = -572 kJ/mol (2) 2H2O(l) --> 2H2(g) + O2(g) ΔH₂ = 472 kJ/mol (3) C(s) + O2(g) --> CO2(g) ΔH₃ = -394 kJ/molUse Hess's law to calculate the enthalpy change (in kJ/mol) for the following reaction: C(s) + 2H2(g) --> CH4(g)

asked Feb 4 in Chemical reactions by ElviaM111599 (1.4k points)

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How can practical applications of chemistry be better incorporated into the classroom curriculum to enhance the understanding and relevance of the subject for students?

asked Feb 5 in Chemical education by Samira94683 (2.2k points)

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Explain the factors affecting the stability of colloidal dispersion and the phenomenon of coagulation with suitable examples.

asked Feb 4 in Surface Chemistry by SarahWeston5 (2.0k points)

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How can computational chemistry be used to determine the binding affinity between a host molecule and guest molecules in supramolecular chemistry?

asked Feb 5 in Computational Chemistry by JamisonKwan8 (1.7k points)

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Explain how the glass transition temperature of a polymer is influenced by its molecular weight and degree of branching.

asked Feb 4 in Physical Chemistry by MyrnaFaerber (1.8k points)

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1 answer 29 views

How can molecular docking studies be used to design new drugs for a specific protein target?

asked Feb 5 in Computational Chemistry by Wilbur29087 (1.8k points)

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1 answer 57 views

Given the reaction A + B ⇌ C and the equilibrium constant, Kc = 2.0 at a certain temperature, if the initial concentration of A is 0.1 M and the initial concentration of B is 0.2 M, what is the equilibrium concentration of C if the reaction proceeds with a rate constant of 0.05 M/s?

asked Feb 4 in Chemical kinetics by BlairMorrill (1.9k points)

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How can Computational chemistry and molecular modeling be used to predict the properties of a new drug candidate?

asked Feb 5 in Physical Chemistry by KandisBeckwi (1.6k points)

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1 answer 60 views

Determine the acidity or basicity of the following molecules: ammonia (NH3), hydrogen chloride (HCl), water (H2O), and carbon dioxide (CO2). Rank them in order of increasing acidity or increasing basicity and explain your reasoning.

asked Feb 4 in Chemical bonding by BobBar745884 (1.9k points)

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How can quantum information processing and quantum computing be applied in the field of drug discovery?

asked Feb 5 in Quantum Chemistry by SilviaKetcha (1.6k points)

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Determine the type of isomerism of the molecule CH3CH2CH2OH and draw its corresponding isomer(s).

asked Feb 4 in Chemical bonding by LaunaBeyers (1.8k points)

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How can chemistry-related extracurricular activities be made more widely available to students in areas where resources are limited, in order to enhance their learning and interest in the subject?

asked Feb 5 in Chemical education by BrigetteCors (2.5k points)

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How can inadequate training for chemistry teachers affect the quality of education in student learning and performance in chemistry?

asked Feb 5 in Chemical education by OliverOtis4 (2.3k points)

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1 answer 31 views

How can computational studies of enzyme catalysis help in the development of new drugs for treating diseases?

asked Feb 5 in Computational Chemistry by BeatrisSanfo (1.7k points)

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