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1
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What is the effect of pressure on the rate of the reaction between hydrogen gas and iodine gas to form hydrogen iodide?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
34
views
How does the presence of a metal catalyst affect the activation energy of a catalytic reaction, and what is the relationship between the electronic properties of the metal and its catalytic activity as predicted by density functional theory calculations?
asked
Feb 22
in
Computational Chemistry
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votes
1
answer
33
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How has the historical development of atomic theory influenced our current understanding of chemical reactions?
asked
Feb 20
in
Chemical education
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1
answer
35
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What is the effect of pressure on the reaction rate of the reaction A + B → C, and how can this effect be explained based on collision theory?
asked
Feb 19
in
Chemical kinetics
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votes
1
answer
32
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How do surface properties such as surface tension, surface charge and surface potential affect the permeability and selectivity of biomembranes and how can this information be used to develop more efficient drug delivery systems?
asked
Feb 17
in
Surface Chemistry
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1
answer
47
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How can we predict the magnetic properties of a molecular magnet using quantum chemistry calculations?
asked
Feb 14
in
Quantum Chemistry
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1
answer
34
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How can we predict the chemical reactivity and selectivity of a molecule using quantum chemical calculations?
asked
Feb 14
in
Quantum Chemistry
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1
answer
51
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How can we improve the accuracy of molecular docking studies in drug discovery?
asked
Feb 13
in
Computational Chemistry
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1
answer
87
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How do the photochemical properties of enantiomers differ and what are the implications of these differences in chemical reactions and processes?
asked
Feb 13
in
PhotoChemistry
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1
answer
38
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How can the mechanical and thermal properties of a polymer be improved during the injection molding process?
asked
Feb 7
in
Polymer Chemistry
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1
answer
31
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Consider the chemical reaction A(g) + B(g) ↔ 2C(g). At equilibrium, the concentration of A is 0.25 M, the concentration of B is 0.15 M, and the concentration of C is 0.40 M. What is the equilibrium constant for this reaction at the given temperature?
asked
Feb 3
in
Chemical equilibrium
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1
answer
99
views
How does adsorption of gas molecules on a solid surface change with temperature and what are the factors that affect the extent of adsorption?
asked
Jan 31
in
Physical Chemistry
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1
answer
97
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How can chemistry students increase their awareness of safety protocols in the lab and actively implement these protocols to ensure a safe and productive laboratory experience for themselves and their peers?
asked
Jan 30
in
Chemical education
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votes
1
answer
111
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What strategies can be implemented to overcome the challenge of limited availability of chemistry textbooks and resources for students studying in underprivileged communities?
asked
Jan 30
in
Chemical education
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1
answer
51
views
Calculate the lattice energy of calcium fluoride (CaF2) given that the lattice enthalpy of formation of Ca2+ is +178 kJ/mol, the lattice enthalpy of formation of F- is -328 kJ/mol and the distance between the Ca2+ and F- ions is 231 pm.
asked
Jan 23
in
Inorganic Chemistry
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1
answer
78
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Calculate the enthalpy change for the hydrolysis of 2 moles of sucrose (C12H22O11) in aqueous solution given that the heat capacity of the solution is 4.18 J/g.K, the initial and final temperatures of the solution are 22.0°C and 28.0°C respectively. The molar mass of sucrose is 342.3 g/mol.
asked
Jan 23
in
ThermoChemistry
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1
answer
52
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How can the social identity approach be used to understand leadership within groups?
asked
Jan 20
in
Psychology
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1
answer
49
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What is a stratified sample?
asked
Jan 17
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Psychology
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1
answer
101
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When did the humanistic theory of personality disorders emerge?
asked
Jan 16
in
Psychology
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1
answer
68
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What is emotional regulation?
asked
Jan 14
in
Psychology
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