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User Rudy59684212
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How does the size and shape of a metallic nanocluster affect its electronic and optical properties in terms of absorption and emission spectra?
asked
Feb 24
in
Quantum Chemistry
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votes
1
answer
42
views
What is the mechanism of passivation of stainless steel and how does it protect against corrosion?
asked
Feb 22
in
Surface Chemistry
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votes
1
answer
33
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How does the efficiency of photosensitizers vary with respect to the wavelength of light used in a photochemical reaction? Provide experimental evidence and discuss the implications of your findings.
asked
Feb 20
in
PhotoChemistry
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votes
1
answer
39
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What is the dipole moment of carbon dioxide and how does it differ from the dipole moment of water? Use your knowledge of the molecular geometry and bond polarity of these molecules to explain their dipole moments.
asked
Feb 19
in
Chemical bonding
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votes
1
answer
27
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What is the coordination number and geometry of a complex formed between a central metal atom (Ni) and the ligands (en) in nickel(II) complex [Ni(en)3]2+?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
32
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How can the efficiency of photochemical degradation of pollutants in the environment be increased using photocatalysts?
asked
Feb 7
in
PhotoChemistry
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1
answer
54
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How can education in environmental chemistry be improved to help students better understand the impact their chemical experiments and research may have on the environment?
asked
Feb 5
in
Chemical education
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1
answer
41
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How can molecular modification be used to improve the efficacy and/or reduce the side effects of current treatments for conditions such as inflammatory bowel disease and acid reflux?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
answer
45
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How can chemistry educators increase students' exposure to the practical applications of chemistry in everyday life to enhance their understanding and appreciation of the science beyond the classroom?
asked
Feb 4
in
Chemical education
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1
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41
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Calculate the standard enthalpy change for the reaction of cobalt(II) chloride hexahydrate with sodium carbonate to form cobalt(II) carbonate and sodium chloride according to the following balanced equation:CoCl2•6H2O + Na2CO3 → CoCO3 + 2 NaCl + 6 H2OGiven:- The enthalpy of hydration of cobalt(II) chloride is -787 kJ/mol.- The enthalpy of formation of sodium chloride is -411 kJ/mol.- The enthalpy of formation of cobalt(II) carbonate is -718 kJ/mol.- The enthalpy of formation of sodium carbonate is -1130 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
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1
answer
42
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What is the role of the amygdala in drug addiction?
asked
Jan 20
in
Psychology
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1
answer
89
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Where did E. L. Thorndike conduct his research on animal behaviour?
asked
Jan 17
in
Psychology
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1
answer
57
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Why is it important to have knowledge of different counselling theories?
asked
Jan 17
in
Psychology
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1
answer
77
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What are effect sizes?
asked
Jan 16
in
Psychology
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1
answer
62
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What is the role of experimentation in Gestalt psychology?
asked
Jan 16
in
Psychology
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1
answer
53
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When evaluating the four-factor model of grief, what strength can be pointed out?
asked
Jan 15
in
Psychology
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1
answer
86
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What is the central route to persuasion?
asked
Jan 14
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Psychology
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1
answer
39
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What is the role of genetics in behavioural neuroscience?
asked
Jan 13
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Psychology
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1
answer
97
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What is the biopsychosocial-spiritual-cultural model of health?
asked
Jan 13
in
Psychology
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1
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49
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What measures the amount of matter in an object?
asked
Jan 7
in
Science
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