Answers by EdithLindt35

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How can we accurately predict the crystal structure of inorganic solids based on their chemical composition and other physical characteristics?

answered Feb 14 in Inorganic Chemistry

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How can we optimize the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine to obtain a higher yield and superior quality material?

answered Feb 14 in Chemical synthesis

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What are the key chemical contaminants present in landfill leachate, and how do they impact the quality of groundwater in the surrounding areas?

answered Feb 13 in Environmental Chemistry

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How can we design a new drug for cancer treatment that targets specific cancer cells without affecting healthy cells, by utilizing the principles of medicinal chemistry?

answered Feb 12 in Medicinal Chemistry

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How can the production process of detergents be optimized to reduce the environmental impact of the manufacturing process?

answered Feb 10 in Chemical engineering

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How can the polymerization of ethylene be optimized to produce polyethylene with a higher molecular weight and greater mechanical properties?

answered Feb 10 in Chemical synthesis

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How can the magnetic properties of different materials be investigated and optimized for their use in data storage systems?

answered Feb 7 in Materials Chemistry

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How can the efficiency of the system for the production of hydrogen fuel in a chemical engineering plant be increased by reducing energy losses and optimizing the reaction conditions?

answered Feb 7 in Chemical engineering

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Determine the standard enthalpy of formation for methane (CH4) using the combustion reactions of methane and hydrogen gas (H2). Given the standard enthalpy of combustion for CH4 is -890.3 kJ/mol and the standard enthalpy of formation for H2O is -285.8 kJ/mol.

answered Feb 4 in Chemical thermodynamics

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Calculate the standard enthalpy of reduction for the following reaction: Fe2O3 (s) + 3 H2(g) → 2 Fe(s) + 3 H2O(g)Given: ΔH°f for Fe2O3 (s) = -824.2 kJ/mol ΔH°f for H2O(g) = -241.8 kJ/molΔH°f for Fe(s) = 0 kJ/mol

answered Feb 3 in ThermoChemistry

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Calculate the standard enthalpy change of the following chemical reaction at 298 K given the following bond energies: 2H2(g) + O2(g) --> 2H2O(l) Bond energies: H-H: 432 kJ/mol O=O: 498 kJ/mol O-H: 464 kJ/mol

answered Feb 3 in Physical Chemistry

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Calculate the heat required to raise the temperature of 50 grams of water from 20°C to 80°C. The specific heat capacity of water is 4.184 J/g·°C.

answered Jan 23 in ThermoChemistry

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Calculate the band gap and optical absorption spectrum of a graphene monolayer using quantum chemical calculations and compare it with that of a MoS2 monolayer. Which material would be more suitable for optoelectronic devices? Explain your reasoning.

answered Jan 23 in Quantum Chemistry

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60 views

Balancing a chemical equation for the reaction between sodium hydroxide and hydrochloric acid to produce sodium chloride and water.

answered Jan 21 in Inorganic Chemistry

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What is sensory substitution?

answered Jan 20 in Psychology

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What is the difference between cross-sectional and longitudinal research designs in theory evaluation?

answered Jan 16 in Psychology

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How does the evolutionary theory of group selection relate to human behaviour?

answered Jan 15 in Psychology

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What is perception in psychology?

answered Jan 15 in Psychology

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What does the information processing model of cognition suggest?

answered Jan 14 in Psychology

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What is the difference between a mediator and a moderator?

answered Jan 14 in Psychology

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