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What is the purity of an unknown substance if its melting point range is between 125°C to 130°C, and the literature value for the melting point of the pure substance is 132°C?
answered
3 days
ago
in
Analytical Chemistry
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29
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How does the presence of UV radiation affect the rate of DNA damage and what are the different types of repair mechanisms used to fix these damages?
answered
3 days
ago
in
BioChemistry
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16
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How does the length of the fatty acid chains affect the behavior of lipid bilayers in molecular dynamics simulations?
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5 days
ago
in
Computational Chemistry
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24
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What are the electronic and optical properties of a specific conjugated polymer and how can they be calculated using quantum chemistry models?
answered
5 days
ago
in
Quantum Chemistry
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votes
7
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How does the compatibility of two polymers affect the mechanical properties of their blend?
answered
Feb 18
in
Polymer Chemistry
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28
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How does the metabolism of methionine differ from that of other amino acids?
answered
Feb 13
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BioChemistry
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votes
42
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What is the effect of insulin on the regulation of glucose levels in the body during a fasting state?
answered
Feb 13
in
BioChemistry
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10
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How can we design new anti-inflammatory drugs that have improved efficacy and fewer side effects compared to the current treatments?
answered
Feb 12
in
Medicinal Chemistry
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30
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How can chemistry students increase their chances of finding internships and job opportunities in fields that interest them, despite the limited availability of such opportunities?
answered
Feb 5
in
Chemical education
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votes
42
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How does changing the pH affect the formation of a complex ion with copper (II) ion and ethylenediamine? Provide a detailed explanation and the associated chemical equations.
answered
Feb 3
in
Chemical equilibrium
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votes
78
views
What are the common misconceptions or difficulties that students face when trying to understand the placement of elements on the periodic table and how can these be overcome?
answered
Jan 30
in
Chemical education
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49
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Calculate the enthalpy change in kJ/mol for the combustion of butane (C4H10) given that the heat of formation of CO2(g) is -393.5 kJ/mol, the heat of formation of H2O(l) is -285.8 kJ/mol, and the heat of formation of C4H10(g) is -126 kJ/mol. The balanced equation for the combustion of butane is:2C4H10(g) + 13O2(g) → 8CO2(g) + 10H2O(l) + heat.
answered
Jan 23
in
ThermoChemistry
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57
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What is the boiling point of cyclohexane and n-hexane? How do their boiling points compare?
answered
Jan 21
in
Organic Chemistry
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86
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Identify the functional groups present in the following compound and predict the products of its reaction with hydrochloric acid: C6H5CH2CH2OH
answered
Jan 21
in
Organic Chemistry
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82
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Who is associated with the triarchic theory of intelligence?
answered
Jan 20
in
Psychology
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12
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What is general intelligence or g factor?
answered
Jan 17
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Psychology
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votes
13
views
What are the implications of the information-processing approach to cognitive development for understanding memory?
answered
Jan 17
in
Psychology
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73
views
According to the humanistic-existential theory, what factors are necessary for achieving self-actualisation?
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Jan 17
in
Psychology
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47
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What is a CIS?
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Jan 17
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Psychology
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53
views
What is the just-world theory?
answered
Jan 15
in
Psychology
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