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How does the size and shape of gold nanoparticles affect their photochemical properties, particularly their ability to generate reactive oxygen species for potential applications in photodynamic therapy?
asked
Feb 24
in
PhotoChemistry
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votes
1
answer
59
views
How does the cooling rate affect the crystallinity and crystal morphology of a polymer?
asked
Feb 19
in
Polymer Chemistry
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1
answer
36
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What kind of inorganic solid would you classify MgO (Magnesium Oxide) as? Ionic, covalent or metallic? Please provide a detailed explanation to support your answer.
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
62
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What will be the products of a single replacement reaction between silver nitrate solution and copper metal? Write the balanced chemical equation for the reaction and predict whether the reaction will occur or not.
asked
Feb 13
in
Chemical reactions
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votes
1
answer
58
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Determine the type of inorganic solid formed between Mg and O, and explain how you arrived at your conclusion.
asked
Feb 4
in
Inorganic Chemistry
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1
answer
54
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How does changing the pressure of a reaction between hydrogen gas and iodine gas affect the rate of reaction, and how can this relationship be explained by collision theory?
asked
Feb 3
in
Chemical kinetics
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votes
1
answer
97
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What is the chemical composition of acid rain, and how does it affect the pH level of soil and water bodies in areas prone to acid rain?
asked
Jan 30
in
Environmental Chemistry
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1
answer
83
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What is the chemical reaction involved in acid mine drainage and how does it affect the pH and mineral content of water bodies?
asked
Jan 30
in
Environmental Chemistry
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votes
1
answer
110
views
What is the amount of copper ions in a 0.1 M CuSO4 solution if it takes 10 minutes to completely electrolyze (under constant current of 0.15 A) a 35-mg copper wire which is in contact with the solution?
asked
Jan 30
in
Analytical Chemistry
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1
answer
70
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A student wants to determine the enthalpy of combustion of octane. They measured the temperature change of 200 mL of water in a calorimeter when 1.50 grams of octane was burned completely. The initial temperature of the water was 25.0 °C and it reached a maximum of 45.0 °C. What is the enthalpy of combustion of octane?
asked
Jan 22
in
ThermoChemistry
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1
answer
94
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A chemistry student needs to determine how the equilibrium concentration of products and reactants change when the temperature is increased in the reaction: 2 SO2 (g) + O2 (g) ⇌ 2 SO3 (g) Given the initial concentrations of 0.15 M SO2, 0.025 M O2, and 0 M SO3, and a temperature increase of 50°C, calculate the new equilibrium concentration of each compound using Le Chatelier's Principle.
asked
Jan 22
in
Chemical reactions
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votes
1
answer
57
views
What is the Dual Mechanism Theory of hearing?
asked
Jan 16
in
Psychology
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1
answer
74
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What is the social identity complexity?
asked
Jan 16
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Psychology
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1
answer
47
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What is the difference between social loafing and social facilitation?
asked
Jan 15
in
Psychology
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1
answer
120
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Where does the disease model of addiction suggest addiction comes from?
asked
Jan 15
in
Psychology
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votes
1
answer
53
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According to Erikson's psychosocial theory, what is the main task of early adulthood?
asked
Jan 15
in
Psychology
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votes
1
answer
43
views
What is foraging behaviour?
asked
Jan 14
in
Psychology
0
votes
1
answer
42
views
What is the main criticism of the Psychosocial Theory?
asked
Jan 13
in
Psychology
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1
answer
78
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What is the door-in-the-face technique?
asked
Jan 13
in
Psychology
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1
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62
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What is free association, and how is it used in psychoanalysis?
asked
Jan 13
in
Psychology
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