Answers by Sylvia941924

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How does the accuracy of Density Functional Theory (DFT) calculations affect the prediction of surface properties in catalysis reactions?

answered Feb 17 in Computational Chemistry

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How can we optimize the design and properties of drug delivery systems to enhance the bioavailability, targeting, and therapeutic efficacy of a drug?

answered Feb 14 in Medicinal Chemistry

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31 views

What is the oxidation state of uranium in the coordination complex [UO2(NO3)2(H2O)2] and how many oxygen atoms are involved in the coordination around uranium in this complex?

answered Feb 13 in Coordination Chemistry

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What are the hybrid orbitals involved in the bonding of carbon atoms in ethene (C₂H₄) molecule, and what is the type of hybridization occurs in each carbon?

answered Feb 13 in Chemical bonding

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What will be the expected outcome of a single replacement reaction between iron (Fe) and copper chloride (CuCl2)?

answered Feb 13 in Chemical reactions

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What is the impact of doping concentration on the electronic and optical properties of graphene and other 2D materials, and how does it affect their potential applications in electronics and optoelectronics?

answered Feb 12 in Quantum Chemistry

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How can we design drugs to treat genetic disorders that target the specific genetic mutation causing the disease while minimizing off-target effects on healthy cells?

answered Feb 12 in Medicinal Chemistry

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How can we design drugs that specifically target the HIV virus and prevent its replication in the human body?

answered Feb 12 in Medicinal Chemistry

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8 views

How can we design a system for the efficient production of strawberry flavor using chemical engineering principles and equipment?

answered Feb 12 in Chemical engineering

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How can the production of fragrances be optimized to ensure maximum efficiency, minimal waste, and consistent quality? What are the key steps and parameters that need to be considered in the development of a sustainable and effective fragrance production process, and how can these be optimized through chemistry and chemical engineering principles?

answered Feb 10 in Chemical engineering

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How can novel drug molecules be designed and synthesized to effectively target specific molecular pathways involved in the development and progression of cardiovascular diseases such as atherosclerosis, heart failure, and hypertension?

answered Feb 5 in Medicinal Chemistry

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How can chemistry educators make the subject more engaging and interesting for students to increase their interest in the subject?

answered Feb 4 in Chemical education

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Consider the reaction N2O4(g) ⇌ 2NO2(g) which is exothermic. If the pressure of the system is increased, predict the direction in which the equilibrium will shift, and explain your answer using Le Chatelier's principle.

answered Feb 3 in Chemical reactions

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What are the molecular vibrational frequencies and infrared spectra of a carbon dioxide molecule? Using the principles of quantum chemistry, calculate and interpret the IR spectra of CO2, highlighting the key vibrational modes and their respective frequencies.

answered Jan 31 in Quantum Chemistry

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What is the concentration of lead (Pb) in a water sample collected from a river using atomic absorption spectroscopy?

answered Jan 30 in Analytical Chemistry

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56 views

Calculate the equilibrium constant for the following electrochemical reaction at a temperature of 25°C:$$\ce{Co^{2+} + 2e^- <=> Co(s)}$$Given that the standard reduction potential for the half-reaction is $-0.28\,\text{V}$ and the concentration of $\ce{Co^{2+}}$ is $0.1\,\text{M}$.

answered Jan 23 in ElectroChemistry

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Calculate the amount of heat released when 0.5 moles of propane, C3H8, combust completely in oxygen gas, O2, according to the following balanced equation:C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(l), ∆H = -2220 kJ/mol.

answered Jan 23 in ThermoChemistry

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A certain hydrocarbon requires 343 kJ of energy to break one mole of carbon-carbon bonds and 413 kJ/mole to break one mole of carbon-hydrogen bonds. What is the bond dissociation energy of the carbon-carbon and carbon-hydrogen bonds in this hydrocarbon?

answered Jan 22 in ThermoChemistry

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33 views

How did Roger Sperry's split-brain research inform us about hemispheric specialisation?

answered Jan 20 in Psychology

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What is the behavioural approach to attitudes?

answered Jan 20 in Psychology

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