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User BobBar745884
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1
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How does the size and composition of microplastics affect their toxicity towards marine life?
asked
Feb 24
in
Environmental Chemistry
0
votes
1
answer
79
views
How does the polarity of the solvent affect the rate of photochemical reactions in different solvents? Provide experimental evidence to support your answer.
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
72
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How does the introduction of heavy lanthanide ions affect the quantum efficiency of photochemical processes in coordination compounds?
asked
Feb 20
in
PhotoChemistry
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votes
1
answer
80
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How can we use quantum chemistry to predict the catalytic activity and selectivity of a particular catalyst in a chemical reaction?
asked
Feb 14
in
Quantum Chemistry
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1
answer
89
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How can chemical educators simplify complex chemical concepts without losing their scientific accuracy?
asked
Feb 4
in
Chemical education
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1
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123
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Determine the acidity or basicity of the following molecules: ammonia (NH3), hydrogen chloride (HCl), water (H2O), and carbon dioxide (CO2). Rank them in order of increasing acidity or increasing basicity and explain your reasoning.
asked
Feb 4
in
Chemical bonding
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votes
1
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144
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Calculate the standard enthalpy change (∆H°) for the reaction between 25.0 mL of 0.100 M HCl and 25.0 mL of 0.100 M NaOH at 25°C. The density of each solution is 1.00 g/mL and the heat capacity of the solution is 4.18 J/g·°C. The reaction takes place in a calorimeter, and the temperature increase is measured to be 8.47°C.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
82
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How can the concentration of lead in a given water sample be determined using atomic absorption spectroscopy?
asked
Jan 29
in
Analytical Chemistry
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1
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92
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Calculate the heat of hydration for magnesium ion when 0.5 moles of magnesium chloride is dissolved in 500 ml of water at 25°C. Given that the enthalpy change of solution for magnesium chloride is -641 kJ/mol and the specific heat capacity of water is 4.18 J/g°C.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
100
views
When was the Milgram Experiment conducted?
asked
Jan 20
in
Psychology
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votes
1
answer
54
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Please evaluate the Milgram experiment.
asked
Jan 20
in
Psychology
0
votes
1
answer
100
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When was the concept of the Self-Compassion Scale introduced?
asked
Jan 20
in
Psychology
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1
answer
43
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What is the positivist school?
asked
Jan 17
in
Psychology
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votes
1
answer
93
views
According to the tripartite model, what is the present identity?
asked
Jan 15
in
Psychology
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votes
1
answer
44
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Who is the psychologist who proposed the theory of cognitive load?
asked
Jan 15
in
Psychology
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votes
1
answer
93
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What is confirmatory bias?
asked
Jan 15
in
Psychology
0
votes
1
answer
152
views
What is parental investment theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
134
views
What is the independent variable?
asked
Jan 14
in
Psychology
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votes
1
answer
72
views
What is the psychology of colonialism?
asked
Jan 14
in
Psychology
0
votes
1
answer
121
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What is retroactive interference?
asked
Jan 14
in
Psychology
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