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0
votes
26
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What is the rate constant and mechanism for the reaction between ethylene and hydrogen at 298 K and 1 atm pressure, and how does the rate change when the temperature is increased to 373 K?
answered
Feb 22
in
Quantum Chemistry
0
votes
38
views
What is the step-by-step procedure for the preparation of 4-bromoacetanilide from acetanilide and bromine and how can the purity of the final product be determined using techniques like melting point determination and TLC analysis?
answered
Feb 22
in
Chemical synthesis
0
votes
22
views
What is the heat of formation of methane (CH4) assuming standard conditions (25°C and 1 atm pressure)?
answered
Feb 20
in
Chemical bonding
0
votes
32
views
What is the effect of temperature on the solubility of a solid in a liquid solvent? Provide an experimental method to determine this relationship for a given solute-solvent system.
answered
Feb 20
in
Physical Chemistry
0
votes
40
views
What are the factors that contribute to the compatibility of polymer blends and how can compatibility be improved?
answered
Feb 18
in
Polymer Chemistry
0
votes
36
views
What is the balance chemical reaction equation for the complete combustion of methane?
answered
Feb 17
in
Chemical reactions
0
votes
43
views
How can we predict the crystal structure of inorganic solids based on their chemical composition and bonding interactions?
answered
Feb 14
in
Inorganic Chemistry
0
votes
40
views
What is the effect of molecular weight on the physical properties of a polymer? Provide a detailed analysis on how different molecular weights of a polymer can affect its melting point, glass transition temperature, and solubility.
answered
Feb 13
in
Physical Chemistry
0
votes
33
views
How can the critical temperature of a superconducting material be optimized through chemical doping and what is the effect of different dopants on the material's properties?
answered
Feb 6
in
Materials Chemistry
0
votes
39
views
How can chemistry be used to address economic and societal challenges, and what steps can be taken to ensure that students better understand the practical applications of this subject in real-world scenarios?
answered
Feb 4
in
Chemical education
0
votes
81
views
What will be the effect of adding a buffer solution on the equilibrium constant of an acid-base reaction between a weak acid and its conjugate base? Provide a step-by-step calculation showing the change in equilibrium position and the final pH value after the addition of the buffer solution.
answered
Jan 30
in
Chemical equilibrium
0
votes
49
views
Why was Harlow's study on infant attachment important?
answered
Jan 20
in
Psychology
0
votes
103
views
Please evaluate the criticisms of Erikson's psychosocial theory?
answered
Jan 16
in
Psychology
0
votes
52
views
What is the difference between manualised and individualised CBT?
answered
Jan 16
in
Psychology
0
votes
66
views
Where does discursive psychology focus?
answered
Jan 15
in
Psychology
0
votes
58
views
What is the Shepard's table illusion?
answered
Jan 15
in
Psychology
0
votes
70
views
According to the biserial correlation coefficient, what type of data should one variable be?
answered
Jan 15
in
Psychology
0
votes
69
views
What is the connectionist theory?
answered
Jan 15
in
Psychology
0
votes
86
views
What is the Health Promotion Model?
answered
Jan 15
in
Psychology
0
votes
47
views
What is the difference between a therapist and a counselor?
answered
Jan 14
in
Psychology
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