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0
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What is the purity of a sample of acetanilide if its melting point range is observed to be 114.5-116°C and the literature value for pure acetanilide is 114-115°C?
answered
Feb 20
in
Analytical Chemistry
0
votes
25
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What is the mechanism of color change in a photochromic material exposed to UV light and how can this property be utilized in practical applications such as sunglasses or transition lenses?
answered
Feb 20
in
PhotoChemistry
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votes
21
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What is the effect of changing temperature and pressure on the equilibrium constant and reaction rate of the iodine clock reaction between potassium persulfate and potassium iodide?
answered
Feb 20
in
Chemical kinetics
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28
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What is the effect of different catalysts on the reaction rate of the decomposition of hydrogen peroxide?
answered
Feb 19
in
Chemical kinetics
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votes
28
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How does the cooling rate affect the crystal structure and morphology of polyethylene during polymer crystallization?
answered
Feb 19
in
Polymer Chemistry
0
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33
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How does the concentration of emulsifiers affect the stability of oil-in-water emulsions?
answered
Feb 19
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Surface Chemistry
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votes
29
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What is the bond dissociation energy of the carbon-hydrogen bond in methane (CH4), given that the bond enthalpy of the C-H bond is 413 kJ/mol?
answered
Feb 18
in
Chemical bonding
0
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40
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How does the activation energy barrier and the electronic structure of reactants affect the prediction of reaction rates and mechanisms in the gas phase for a specific chemical reaction using quantum chemistry calculations?
answered
Feb 17
in
Quantum Chemistry
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votes
103
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Calculate the standard enthalpy of formation of Carbon dioxide (CO2), given the enthalpies of formation of Carbon monoxide (CO) and Oxygen gas (O2) as -110.5 kJ/mol and 0 kJ/mol, respectively.
answered
Feb 3
in
ThermoChemistry
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97
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How does the alteration in lipid metabolism cause metabolic disorders such as diabetes and obesity? Examine the role of lipid signaling and metabolism in regulating the production and metabolism of lipids and their impact on cellular function and disease development.
answered
Jan 31
in
BioChemistry
0
votes
86
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What is the systematic name of the following compound? CH3CH2CH2OH
answered
Jan 21
in
Organic Chemistry
0
votes
20
views
According to Maslow's hierarchy of needs, what are the basic needs that must be satisfied before self-actualisation can occur?
answered
Jan 20
in
Psychology
0
votes
135
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What is egocentrism in Piaget's theory?
answered
Jan 17
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Psychology
0
votes
51
views
According to the social identity theory, what is the self-categorisation?
answered
Jan 16
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Psychology
0
votes
58
views
What is the role of gender in the social role theory of aging?
answered
Jan 16
in
Psychology
0
votes
83
views
Why is chronic pain difficult to treat?
answered
Jan 14
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Psychology
0
votes
71
views
What is the behavioural approach in psychology?
answered
Jan 13
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Psychology
0
votes
47
views
What season causes people to look forward to spring?
answered
Jan 7
in
Science
0
votes
59
views
The marine west coast climate gets lots of rain because of what being nearby?
answered
Jan 2
in
Science
0
votes
58
views
Pheromones enable what, which is vital for organisms like ants that live in a large community?
answered
Dec 31, 2024
in
Science
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