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1
answer
29
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What is the relationship between surface tension and temperature as measured by the pendant drop method?
asked
Feb 24
in
Surface Chemistry
0
votes
1
answer
25
views
How does the metabolic pathway of glucose differ between a normal cell and a cancerous cell, and what potential targets can be identified for cancer treatment based on this difference?
asked
Feb 20
in
BioChemistry
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votes
1
answer
25
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What is the coordination number of the Eu(III) ion in the complex [Eu(NO3)3(H2O)9]? Explain the factors that determine the coordination number of lanthanide ions in coordination complexes.
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
54
views
What will happen to the equilibrium of the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) if the pressure is increased?
asked
Feb 13
in
Chemical equilibrium
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votes
1
answer
41
views
How can the mechanical properties (tensile strength, fracture toughness, etc.) of polymer-based composites for aerospace applications be improved without compromising their lightweight characteristic?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
67
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Calculate the standard enthalpy change for the precipitation reaction that occurs when 100 mL of 0.2 M lead nitrate solution reacts with 100 mL of 0.1 M sodium iodide solution to form solid lead iodide and aqueous sodium nitrate. The balanced chemical equation for the reaction is:Pb(NO3)2(aq) + 2 NaI(aq) → PbI2(s) + 2 NaNO3(aq)Given: - Molar mass of Pb(NO3)2 = 331.20 g/mol - Molar mass of NaI = 149.89 g/mol - Density of 0.2 M lead nitrate solution = 1.055 g/mL - Density of 0.1 M sodium iodide solution = 1.04 g/mL - Specific heat capacity of the reaction mixture is 4.18 J/(g · °C) - The initial temperature of the reaction mixture and the surroundings is 25 °C.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
96
views
How do carbohydrate-protein interactions influence the recognition and binding of enzymes to their substrates, and what are the implications of this recognition and binding for biochemical reactions?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
128
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What is the probability of a gas-phase reaction between methane and chlorine producing methyl chloride at a temperature of 500 K using Monte Carlo simulations?
asked
Jan 31
in
Computational Chemistry
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votes
1
answer
115
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What steps can a chemistry student take to access limited chemistry textbooks and resources for self-study without access to a physical library or bookstore?
asked
Jan 30
in
Chemical education
0
votes
1
answer
54
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Calculate the enthalpy of ionization for sodium ion (Na+) given that the first ionization energy of sodium (Na) is 495.8 kJ/mol and the second ionization energy is 4562 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
80
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Calculate the enthalpy of adsorption of nitrogen gas on the surface of activated charcoal at 298 K, given that the equilibrium pressure of nitrogen is 8.5 x 10^-3 atm and the surface area of the charcoal is 1200 m^2/g.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
85
views
According to the opponent process theory, what happens when red and green receptors are stimulated at the same time?
asked
Jan 20
in
Psychology
0
votes
1
answer
84
views
What is the neural basis of reward processing according to the reward prediction error theory?
asked
Jan 20
in
Psychology
0
votes
1
answer
111
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When was the first Behavioural Assessment Scale for Children BASC published?
asked
Jan 20
in
Psychology
0
votes
1
answer
53
views
What are the results of the Asch conformity experiment?
asked
Jan 20
in
Psychology
0
votes
1
answer
58
views
Please evaluate the Skinner's behaviourism.
asked
Jan 20
in
Psychology
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votes
1
answer
43
views
According to intersectionality theory, what is intersectionality?
asked
Jan 16
in
Psychology
0
votes
1
answer
74
views
What is the term for the tendency to view situations in black and white terms?
asked
Jan 15
in
Psychology
0
votes
1
answer
47
views
What is masculinity?
asked
Jan 15
in
Psychology
0
votes
1
answer
40
views
What is play therapy?
asked
Jan 14
in
Psychology
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