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What is the reaction quotient (Q) for the following chemical reaction at 25°C, if the initial concentrations of A, B, and C are 0.2 M, 1.0 M, and 0.5 M, respectively?2A + 3B ↔ 4C
asked
Feb 22
in
Chemical thermodynamics
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1
answer
32
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What is the optimal temperature and pressure conditions required in the production process of a high strength adhesive?
asked
Feb 21
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Chemical engineering
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1
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26
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What types of DNA damage are recognized and repaired by the nucleotide excision repair (NER) pathway and how does this pathway work on a molecular level?
asked
Feb 21
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BioChemistry
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29
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What is the mechanism behind the hydrolysis of 1-bromopropane to form propanol through a nucleophilic substitution reaction? Include the steps involved in this reaction and the electronic and structural factors that determine the rate of this reaction.
asked
Feb 20
in
Organic Chemistry
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1
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38
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What is the effect of cholesterol concentration on the structural properties of lipid bilayers of varying length and composition, as observed through molecular dynamics simulations?
asked
Feb 19
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Computational Chemistry
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1
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27
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How does the addition of different functional groups affect the mechanical properties of biodegradable polymers used in biomedical applications?
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Feb 17
in
Materials Chemistry
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1
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29
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How can we predict the magnetic properties of a molecular magnet using quantum chemistry calculations and what factors influence the magnetism of these compounds?
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Feb 14
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Quantum Chemistry
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1
answer
120
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What is the relationship between a molecule and its enantiomer in terms of chirality, and how can their properties differ? Provide an example of two enantiomers with differing properties.
asked
Feb 13
in
Organic Chemistry
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1
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102
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How does electrolyte concentration affect the colloidal stability and coagulation of a gold colloid? Provide experimental evidence to support your answer.
asked
Feb 13
in
Surface Chemistry
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1
answer
26
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How can the principles of medicinal chemistry be applied to design drugs targeting genetic mutations associated with cystic fibrosis?
asked
Feb 10
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Medicinal Chemistry
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1
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59
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Calculate the standard enthalpy change for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) given the following standard enthalpy of formation values: ΔHf°[Fe2O3(s)] = -824.2 kJ/mol ΔHf°[CO(g)] = -110.5 kJ/mol ΔHf°[Fe(s)] = 0 kJ/mol ΔHf°[CO2(g)] = -393.5 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
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1
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67
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Calculate the enthalpy change for the precipitation reaction between 50.0 mL of 0.150 M silver nitrate solution and excess sodium chloride solution if the temperature change was measured to be -5.47°C. The molar mass of AgNO3 is 169.87 g/mol, and the density of the silver nitrate solution is 1.05 g/mL. The reaction is as follows: AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq).
asked
Jan 23
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ThermoChemistry
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1
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63
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According to attachment theory, how does secure attachment impact an individual's mental health?
asked
Jan 17
in
Psychology
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1
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51
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How does cognitive load affect AI development?
asked
Jan 15
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Psychology
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1
answer
57
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What is the behavioural theory of mood disorders?
asked
Jan 14
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Psychology
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votes
1
answer
44
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Why are noninfectious diseases not contagious?
asked
Jan 8
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Science
0
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1
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100
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What types of flat maps show users changes in land elevation?
asked
Jan 8
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Science
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1
answer
59
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What type of bonds are the attractive forces between the positively charged nuclei of the bonded atoms and one or more pairs of electrons that are located between the atoms?
asked
Jan 8
in
Science
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1
answer
80
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What type of blood vessels carry blood away from the heart?
asked
Jan 8
in
Science
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1
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43
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What term means the force of attraction that holds together oppositely charged ions?
asked
Jan 8
in
Science
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