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What are the factors that affect the degradation and stability of polymers in different environments, and how can we design polymers that are resistant to degradation under such conditions?

asked Mar 1 in Polymer Chemistry by TheScientist (138k points)

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What is the change in pH when a strong acid is added to a buffer solution containing a weak acid and its conjugate base, given the initial concentrations and Ka of the weak acid?

asked Mar 1 in Chemical equilibrium by TheScientist (138k points)

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What is the optimum temperature, concentration of catalyst and reaction time required for the synthesis of polyvinyl chloride from vinyl chloride monomer, and how does changing these parameters affect the yield and properties of the final product?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the zeta potential value of a colloidal system change with respect to changes in pH and ionic strength, and what are the underlying mechanisms responsible for such changes?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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How does the type of bonding affect the crystal structure of inorganic solids, particularly in compounds containing transition metals?

asked Feb 28 in Inorganic Chemistry by TheScientist (138k points)

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What is the specific reaction mechanism involved in the synthesis of polyethylene from ethylene monomer, and how does it affect the properties of the resulting polymer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the variation of metallic ions affect the electronic and magnetic properties of metal-organic frameworks?

asked Feb 28 in Quantum Chemistry by TheScientist (138k points)

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What is the effect of changing reaction parameters such as temperature, pH, and catalyst on the yield and characteristics of polyacrylonitrile synthesized from acrylonitrile monomer using different synthesis methods?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the wavelength of incident light affect the rate of electron transfer in a photochemical reaction between a metal complex and a sacrificial electron donor?

asked Feb 28 in Physical Chemistry by TheScientist (138k points)

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How does the temperature affect the order parameter of a liquid crystal using Monte Carlo simulations?

asked Feb 28 in Computational Chemistry by TheScientist (138k points)

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How does the concentration of the reactants affect the rate of the reaction and the sustainability of the reaction system in the synthesis of aspirin?

asked Feb 28 in Chemical kinetics by TheScientist (138k points)

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What is the optimal reaction conditions (temperature, pressure, and concentration) for the synthesis of phenylalanine from benzyl chloride and ammonia to achieve the highest yield?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the relationship between the zeta potential of a colloidal system and its stability? Provide examples and explain how to measure and manipulate zeta potential to control the stability of colloidal systems.

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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How can the use of catalysts improve the efficiency of the Haber-Bosch process for the production of ammonia, a key component in fertilizer production?

asked Feb 28 in Chemical engineering by TheScientist (138k points)

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What is the theoretical value of the magnetic susceptibility of a given organic molecule under certain conditions, and what factors contribute to this value?

asked Feb 28 in Quantum Chemistry by TheScientist (138k points)

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What is the VSEPR geometry of a molecule that has a central atom with four surrounding atoms and no lone pairs of electrons?

asked Feb 28 in Chemical bonding by TheScientist (138k points)

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What is the optimal temperature and concentration of nitric acid required for the synthesis of 2,4,6-trinitrotoluene from toluene?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How can the use of specific technologies and best practice guidelines reduce the negative impact of industrial waste disposal on the environment?

asked Feb 28 in Environmental Chemistry by TheScientist (138k points)

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Identify the type of inorganic solid present in a compound with the chemical formula NaCl.

asked Feb 28 in Inorganic Chemistry by TheScientist (138k points)

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How do the different synthesis methods for metal oxides affect their performance as electrode materials for energy storage devices such as batteries or supercapacitors?

asked Feb 28 in Materials Chemistry by TheScientist (138k points)

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