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User VerleneSchut
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What is the equilibrium constant for the reaction between ethanoic acid and water, given that the dissociation constant (Ka) for ethanoic acid is 1.8 x 10^-5 at 25°C?
asked
Feb 20
in
Chemical equilibrium
0
votes
1
answer
29
views
What is the crystal structure of diamond and how does it relate to its unique physical and chemical properties?
asked
Feb 19
in
Physical Chemistry
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votes
1
answer
25
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What is the coordination geometry of the [Th(NO3)6]2- complex ion?
asked
Feb 19
in
Coordination Chemistry
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1
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36
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How does the coordination environment of transition metal complexes affect their electronic and magnetic properties, and what insights can be gained through ab initio calculations for designing new catalysts?
asked
Feb 19
in
Computational Chemistry
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votes
1
answer
40
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What is the boiling point of sodium chloride (NaCl) at a pressure of 1 atm? Show the calculation using the Clausius-Clapeyron equation.
asked
Feb 18
in
Inorganic Chemistry
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votes
1
answer
41
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What is the effect of different types of surfactants on the surface tension of water and how does it relate to their structure and properties?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
58
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What type of hybrid orbitals are present in the molecule of formaldehyde (H2CO)?
asked
Feb 13
in
Chemical bonding
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votes
1
answer
64
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How can the properties of polyurethane be optimized by varying the ratio of diisocyanate and polyol in the synthesis process?
asked
Feb 10
in
Chemical synthesis
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votes
1
answer
48
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How can the lack of emphasis on safety protocols in chemistry labs affect the physical and mental well-being of students, and what can be done to address and prevent any potential hazards?
asked
Feb 7
in
Chemical education
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votes
1
answer
48
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How can the compatibility of polymer blends be improved to enhance their properties and performance?
asked
Feb 6
in
Polymer Chemistry
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1
answer
174
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What is the effect of adding a catalyst on the equilibrium position of a redox reaction in which the products have a higher number of moles than the reactants? Provide a numerical example to support your answer.
asked
Jan 30
in
Chemical equilibrium
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votes
1
answer
92
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How can chemistry teachers incorporate more practical applications of chemistry in their lessons to help students better understand the relevance and importance of the subject in real-world scenarios?
asked
Jan 30
in
Chemical education
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1
answer
72
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Calculate the enthalpy of desorption of carbon dioxide (CO2) from a surface if the surface coverage is 0.025 mol/m² and the temperature is 298 K. The enthalpy of adsorption for CO2 on the surface is -35.8 kJ/mol. The equilibrium constant (K) for the reaction is 2.99 x 10⁶ at 298 K.
asked
Jan 23
in
ThermoChemistry
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1
answer
67
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According to the cognitive approach, why do people tend to use heuristics when making decisions?
asked
Jan 20
in
Psychology
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1
answer
45
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Who were the participants in Dr. Lydia Kwok's study?
asked
Jan 17
in
Psychology
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votes
1
answer
49
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What is a semi-structured interview in qualitative research?
asked
Jan 16
in
Psychology
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1
answer
67
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What is the main assumption of the cognitive theory of depression?
asked
Jan 14
in
Psychology
0
votes
1
answer
46
views
What type of winds are created when more solar energy strikes the equator than the polar regions?
asked
Jan 8
in
Science
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votes
1
answer
52
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What type of isotopes have short half-lives and are given in very low doses?
asked
Jan 8
in
Science
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1
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74
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What kind of reactions absorb energy from their surroundings as they occur?
asked
Jan 7
in
Science
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