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Answers by MyrnaFaerber
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30
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What factors determine the selectivity of a chemical reaction and how can quantum chemistry be used to predict it?
answered
Feb 24
in
Quantum Chemistry
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35
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How does the photochemical behavior differ between enantiomers of a chiral molecule and how can this difference be observed and studied experimentally?
answered
Feb 22
in
PhotoChemistry
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31
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How does the photochemical behavior of coordination compounds depend on the nature of their ligands? Provide experimental evidence and thoroughly explain the observed trend.
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Feb 22
in
PhotoChemistry
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33
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How does pH affect the rate of reaction between hydrochloric acid and magnesium?
answered
Feb 22
in
Chemical kinetics
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30
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How does the molecular structure of a material affect its electronic transport properties, and how can this be optimized through Density Functional Theory calculations for potential applications in electronics?
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Feb 21
in
Computational Chemistry
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29
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What is the bond order of nitrogen in the molecule N2?
answered
Feb 18
in
Chemical bonding
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27
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What is the balanced chemical equation for the gas evolution reaction that occurs when calcium carbonate (CaCO3) reacts with hydrochloric acid (HCl)?
answered
Feb 17
in
Chemical reactions
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49
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How does soil contamination with heavy metals affect the growth of agricultural crops?
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Feb 14
in
Environmental Chemistry
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38
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How does quantum mechanics explain the molecular geometry and bond angles of methane (CH4)?
answered
Feb 14
in
Physical Chemistry
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97
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How does the surface chemistry of a metal corrode and what factors can be utilized to passivate that surface?
answered
Feb 13
in
Surface Chemistry
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70
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How do G protein-coupled receptors (GPCRs) initiate signal transduction pathways in cells and how can their activity be modulated by different allosteric ligands?
answered
Feb 13
in
BioChemistry
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71
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How can the process for the production of the specialty chemical dimethyl carbonate be optimized to increase yield, reduce waste, and improve purity?
answered
Feb 10
in
Chemical engineering
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44
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How can the concepts of stoichiometry and limiting reactants be applied to real-world scenarios, such as determining the amount of materials needed to produce a certain number of finished products in a chemical manufacturing plant?
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Feb 6
in
Chemical education
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51
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Calculate the standard enthalpy change for the reaction in which 6 moles of calcium oxide reacts with 3 moles of carbon dioxide to produce 2 moles of calcium carbonate. The equation for the reaction is:CaO(s) + CO2(g) → CaCO3(s)Given the standard enthalpy of formation values: ΔHf°[CaO(s)] = -635.09 kJ/mol, ΔHf°[CO2(g)] = -393.51 kJ/mol, and ΔHf°[CaCO3(s)] = -1207.44 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
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111
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Identify the type of bonding that occurs in sodium chloride, graphite, and copper based on their respective properties and explain the reasons behind each type of bonding.
answered
Jan 30
in
Chemical bonding
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128
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A student needs to calculate the standard enthalpy change of combustion for propane using Hess's Law. They have the following information: C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) ΔH° = -2220 kJ/mol 2H2(g) + O2(g) → 2H2O(l) ΔH° = -484 kJ/mol 3C(s) + 2H2(g) → C3H8(g) ΔH° = +51 kJ/mol What is the standard enthalpy change of combustion for propane?
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Jan 22
in
ThermoChemistry
0
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63
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Who is more likely to experience discrimination?
answered
Jan 17
in
Psychology
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92
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What is deindividuation, and how does it impact behaviour in group settings?
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Jan 17
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Psychology
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57
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What is the charismatic approach to leadership?
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Jan 16
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Psychology
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73
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What is the difference between dissociative identity disorder and borderline personality disorder?
answered
Jan 14
in
Psychology
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