Questions by BonnieSayre

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1 answer 25 views

What is the mechanism of the Friedel-Crafts acylation reaction, and how does it differ from the Friedel-Crafts alkylation reaction, in the context of synthesizing monoacylated benzene derivatives? Explain with an example of the reaction.

asked Feb 20 in Organic Chemistry

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1 answer 16 views

What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at 25°C?

asked Feb 19 in Surface Chemistry

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1 answer 29 views

What is the coordination chemistry of the metalloenzyme nitrogenase, and how does it enable the conversion of atmospheric nitrogen into ammonia?

asked Feb 19 in Coordination Chemistry

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1 answer 40 views

How does the concentration of the reactants affect the selectivity of a reaction in a chemical system?

asked Feb 19 in Chemical kinetics

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1 answer 31 views

How does the chemical structure of existing drugs affect their toxicity levels in the human body, and how can this information be used to design safer and more effective drugs for clinical use?

asked Feb 18 in Medicinal Chemistry

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1 answer 22 views

What is the bond enthalpy of O-H bond in the water molecule and how does it affect the overall bond enthalpy of the molecule?

asked Feb 18 in Chemical bonding

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1 answer 28 views

How can we use molecular docking studies to predict the binding affinity between two proteins involved in a disease pathway, and identify potential small molecule inhibitors to disrupt their interaction and potentially treat the disease?

asked Feb 13 in Computational Chemistry

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1 answer 39 views

How can we improve the sensitivity of gas sensors by synthesizing and characterizing new materials with high surface area and optimal molecular recognition properties?

asked Feb 13 in Materials Chemistry

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1 answer 9 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their enzymatic activity and reactivity towards substrates? Provide specific examples of metalloenzymes or metalloproteins and their coordination chemistry.

asked Feb 12 in Coordination Chemistry

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1 answer 48 views

Calculate the standard enthalpy of formation of carbon dioxide gas (CO2) given the following information: C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ/mol H2(g) + 1/2O2(g) → H2O(l) ΔH = -285.8 kJ/mol 2C(s) + 2H2(g) + 5/2O2(g) → 2CO2(g) + 2H2O(l) ΔH = -890.4 kJ/mol

asked Feb 3 in ThermoChemistry

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1 answer 73 views

A certain chemical reaction has a delta H value of -120 kJ/mol. If 2.5 moles of this reactant undergo the reaction, how much energy is released or absorbed by the reaction?

asked Jan 22 in ThermoChemistry

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1 answer 96 views

What is the pKa value of acetic acid and what is the pH of a 0.1 M acetic acid solution when it is in equilibrium with its conjugate base, acetate ion?

asked Jan 21 in Organic Chemistry

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1 answer 41 views

What is the role of cortisol in stress?

asked Jan 17 in Psychology

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1 answer 13 views

asked Jan 17 in Psychology

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1 answer 35 views

According to the information processing model, why is attention important?

asked Jan 17 in Psychology

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1 answer 27 views

Why are normal distribution statistics used in research?

asked Jan 16 in Psychology

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1 answer 46 views

Compare the effectiveness of antipsychotics and Cognitive-Behavioural Therapy CBT in treating delusions and hallucinations in schizophrenia.

asked Jan 16 in Psychology

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1 answer 33 views

When was the theory of signal detection theory developed?

asked Jan 15 in Psychology

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1 answer 31 views

Who proposed the rejection sensitivity theory of self-esteem?

asked Jan 15 in Psychology

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1 answer 35 views

What is the difference between an innate and a learned behaviour?

asked Jan 15 in Psychology

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