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0
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37
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How does the concentration and exposure duration of lead, cadmium, and mercury affect the toxicity and bioaccumulation of these heavy metals in aquatic organisms such as fish and shellfish?
answered
Feb 18
in
Environmental Chemistry
0
votes
24
views
What is the chemical process behind the formation of acid rain, and what are the environmental effects of acid rain on aquatic life and terrestrial ecosystems?
answered
Feb 18
in
Environmental Chemistry
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votes
51
views
What is the role of DNA polymerase III in the replication of DNA, and how does it proofread the newly synthesized DNA strand for accuracy? Provide a detailed explanation of the mechanism involved.
answered
Feb 12
in
BioChemistry
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votes
46
views
Calculate the standard enthalpy change for the phase transition reaction from solid to liquid for a sample of substance X, given that the mass of the sample is 10 grams and the melting point of substance X is 50°C. The specific heat capacity of substance X is 2 J/g°C and the enthalpy of fusion for substance X is 50 J/g.
answered
Feb 3
in
Chemical thermodynamics
0
votes
49
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Calculate the standard electrode potential for the cell reaction: Fe3+(aq) + e- → Fe2+(aq) Given E°Fe3+/Fe2+ = 0.77 V.
answered
Feb 3
in
ElectroChemistry
0
votes
41
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What is the effect of changing the concentration of one reactant on the equilibrium constant of a reaction with a known rate?
answered
Feb 3
in
Chemical kinetics
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votes
57
views
How does ATP regulate the glycolysis pathway?
answered
Jan 31
in
BioChemistry
0
votes
62
views
What is the effect of adding a catalyst on the equilibrium position of a redox reaction between potassium permanganate and oxalic acid if the reaction has already reached equilibrium at a specific temperature and pressure? Provide a detailed explanation and show your calculations.
answered
Jan 30
in
Chemical equilibrium
0
votes
75
views
What is the effect of catalyst on the activation energy and rate of a chemical reaction? Provide an example of a catalytic reaction and explain how the catalyst works to increase the rate of the reaction.
answered
Jan 30
in
Physical Chemistry
0
votes
65
views
How can we determine the percentage composition of caffeine in a sample of coffee using liquid chromatography?
answered
Jan 29
in
Analytical Chemistry
0
votes
87
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What is the balanced equation for the oxidation of ethanol to acetic acid, and what is the reducing agent in this reaction?
answered
Jan 21
in
Organic Chemistry
0
votes
42
views
What was the aim of the Kitty Genovese study?
answered
Jan 20
in
Psychology
0
votes
49
views
What is the relationship between language and mental rotation?
answered
Jan 17
in
Psychology
0
votes
82
views
According to the Self-Perception Theory, how do people form attitudes?
answered
Jan 17
in
Psychology
0
votes
28
views
What approach is based on the premise that behaviour can be learned through rewards and punishments?
answered
Jan 15
in
Psychology
0
votes
46
views
What is the exchange theory of human sexuality?
answered
Jan 15
in
Psychology
0
votes
60
views
What is the biological approach?
answered
Jan 15
in
Psychology
0
votes
41
views
When was observational psychology first introduced as a scientific field of study?
answered
Jan 15
in
Psychology
0
votes
40
views
What is Family Systems Theory?
answered
Jan 15
in
Psychology
0
votes
15
views
What factors should researchers consider when studying indigenous phenomena?
answered
Jan 14
in
Psychology
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