Answers by RosalineRigg

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How does the rate of thermal degradation and stability differ between natural and synthetic polymers and what factors influence these differences?

answered Feb 22 in Polymer Chemistry

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31 views

How does the presence of different functional groups affect the mechanism of photochemical reactions in organic compounds? Provide specific examples to support your answer.

answered Feb 22 in PhotoChemistry

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28 views

How does the change in concentration of reactants affect the reaction rate and ultimately the profitability of the reaction?

answered Feb 18 in Chemical kinetics

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38 views

What is the bond dissociation energy (in kJ/mol) of HBr molecule if it requires 364.4 kJ of energy to break one mole of HBr bonds?

answered Feb 18 in Chemical bonding

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14 views

What is the activation energy for the oxidation of iron in a rusting reaction occurring on a metallic iron surface in contact with saline water at room temperature?

answered Feb 17 in ElectroChemistry

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37 views

What is the effect of different polymer-based coatings on the corrosion resistance of metal surfaces?

answered Feb 14 in Polymer Chemistry

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43 views

How does the hormone insulin regulate glucose uptake in cells, and what biochemical pathways are involved in insulin signaling?

answered Feb 13 in BioChemistry

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120 views

How can we design a drug that targets the specific proteins or enzymes involved in the development of Alzheimer's disease, while minimizing the potential side effects on healthy brain cells?

answered Feb 12 in Medicinal Chemistry

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30 views

How can the performance of polymer-based membranes for water treatment be improved by altering their chemical structure and properties?

answered Feb 10 in Polymer Chemistry

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48 views

How can the chemical engineering principles be utilized to design an efficient and eco-friendly treatment system for the removal of heavy metals from industrial wastewater?

answered Feb 6 in Chemical engineering

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41 views

How can computational chemistry and molecular modeling be used to simulate the behavior of chemical compounds in different environments, and how can these simulations be validated experimentally?

answered Feb 5 in Physical Chemistry

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49 views

Calculate the standard enthalpy change for the reaction: [Cu(H2O)6]2+(aq) + 2NH3(aq) → [Cu(NH3)4(H2O)2]2+(aq) + 4H2O(l)given the following information: ΔHf° [Cu(H2O)6]2+(aq) = -203.2 kJ/molΔHf° [Cu(NH3)4(H2O)2]2+(aq) = -368.5 kJ/molΔHf° H2O(l) = -285.8 kJ/molΔHf° NH3(aq) = -80.8 kJ/mol

answered Feb 3 in Chemical thermodynamics

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88 views

What is the coordination environment of the metal ion in the active site of the enzyme carbonic anhydrase, and how does this coordination affect the enzyme's catalytic activity?

answered Jan 31 in Coordination Chemistry

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90 views

What is the difference in reactivity between aliphatic and aromatic compounds when subjected to a nucleophilic substitution reaction? Provide specific examples of each type of compound and their expected reactions.

answered Jan 31 in Organic Chemistry

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87 views

Calculate the amount of heat released when 10.0 g of methane (CH4) is burned completely in excess oxygen if the enthalpy of combustion of methane is -890 kJ/mol.

answered Jan 23 in Physical Chemistry

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54 views

When was the first edition of the Diagnostic Interview Schedule DIS published?

answered Jan 20 in Psychology

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26 views

According to the social identity theory, how are individuals influenced by social categorisation?

answered Jan 16 in Psychology

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63 views

How is the ecological systems theory used in understanding child development?

answered Jan 15 in Psychology

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80 views

Who is associated with humanistic psychology?

answered Jan 14 in Psychology

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46 views

What is the difference between humanistic and psychodynamic theories?

answered Jan 13 in Psychology

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