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What is the effect of temperature on the reaction rate and yield of the reaction between sodium thiosulfate and hydrochloric acid?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
36
views
How does the change in reaction rate affect the value of equilibrium constant for the reaction between hydrogen gas and iodine vapor?
asked
Feb 20
in
Chemical kinetics
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1
answer
32
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How does the electrophilic addition of HBr to propene occur in the presence of a peroxide catalyst and what is the mechanism behind it?
asked
Feb 20
in
Organic Chemistry
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1
answer
65
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How can the synthesis of polyvinyl chloride from vinyl chloride monomer be optimized for maximum yield and minimal impurities? What factors can affect the reaction and how can they be controlled to achieve desired properties in the final product?
asked
Feb 11
in
Chemical synthesis
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1
answer
41
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How can medicinal chemists modify existing antibiotics to create new compounds that are effective against drug-resistant bacteria strains, specifically targeting the mechanisms that these bacteria use to resist traditional antibiotics?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
answer
76
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Given the following data for the electrochemical reaction A + B → C, where A and B are electrons:- The anodic Tafel slope is 50 mV per decade of current density.- The cathodic Tafel slope is 70 mV per decade of current density.Calculate the exchange current density (i0) for the reaction.
asked
Feb 4
in
ElectroChemistry
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1
answer
88
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What is the percentage composition of a mixture of benzene and toluene using gas chromatography?
asked
Jan 31
in
Analytical Chemistry
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1
answer
72
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Calculate the lattice energy of CaO given the following information: the distance between the Ca2+ and O2- ions is 2.32 Å, the charge on the ions is +2 and -2 respectively, and the Madelung constant for CaO is 1.74.
asked
Jan 23
in
Inorganic Chemistry
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1
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75
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Calculate the Gibbs free energy change for the reaction: 2H2(g) + O2(g) → 2H2O(g) at standard conditions (298 K and 1 atm pressure) given the following data:ΔH˚f[H2O(g)] = -241.8 kJ/molΔH˚f[H2(g)] = 0 kJ/molΔH˚f[O2(g)] = 0 kJ/molΔS˚[H2(g)] = 130.7 J/K·molΔS˚[O2(g)] = 205.0 J/K·molΔS˚[H2O(g)] = 188.8 J/K·mol
asked
Jan 23
in
Chemical thermodynamics
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1
answer
80
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What is the role of resilience in recovery after trauma according to the resilience theory?
asked
Jan 17
in
Psychology
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1
answer
38
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Where might we find evidence of the practical significance of a theory in organisational psychology?
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Jan 16
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Psychology
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1
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55
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Who developed the trauma model of grief?
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Jan 15
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Psychology
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1
answer
37
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How do researchers test a hypothesis?
asked
Jan 14
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Psychology
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votes
1
answer
39
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What is distractibility?
asked
Jan 14
in
Psychology
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votes
1
answer
59
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What is Weber's law?
asked
Jan 14
in
Psychology
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votes
1
answer
70
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What is the importance of self-efficacy in teenage development?
asked
Jan 13
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Psychology
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1
answer
35
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What is the main criticism of the social learning theory?
asked
Jan 13
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Psychology
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1
answer
145
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What is the most effective treatment for anxiety?
asked
Jan 13
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Psychology
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1
answer
35
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What is the name of the psychologist who proposed the Hierarchy of Needs?
asked
Jan 10
in
Psychology
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1
answer
34
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What is the membrane that surrounds a fetus called?
asked
Jan 7
in
Science
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