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How does the prediction of catalytic activity and selectivity using quantum chemistry methods differ for different types of catalysts and reactions, and what factors contribute to the accuracy of these predictions?
asked
Feb 22
in
Quantum Chemistry
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votes
1
answer
41
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How does the breakdown of amino acids differ between humans and bacteria?
asked
Feb 18
in
BioChemistry
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1
answer
59
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What is the effect of increasing temperature on the equilibrium position of a reaction that produces gas? Use Le Chatelier's principle to explain your answer.
asked
Feb 13
in
Chemical reactions
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1
answer
70
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How can the properties of liquid crystals be optimized to improve the quality and efficiency of display technology?
asked
Feb 10
in
Materials Chemistry
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1
answer
30
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How can the development of a chemical process for the production of biodegradable detergents be optimized for maximum efficiency and minimal environmental impact?
asked
Feb 7
in
Chemical engineering
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1
answer
37
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How can fertilizer management practices be improved to minimize environmental pollution while increasing crop production in sustainable agriculture?
asked
Feb 5
in
Environmental Chemistry
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1
answer
79
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Find the standard enthalpy change for the formation reaction of methane gas (CH4) from its elements in their standard states, given the following standard enthalpy of formation values: ΔHf°[CH4] = -74.81 kJ/mol ΔHf°[H2] = 0 kJ/mol ΔHf°[C(graphite)] = 0 kJ/mol
asked
Feb 4
in
Chemical thermodynamics
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1
answer
71
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Determine the rate law for the reaction of nitrogen dioxide with hydrogen gas, if the reaction rate is directly proportional to the concentration of nitrogen dioxide and the square of the concentration of hydrogen gas. Express the rate law in terms of the rate constant and the concentrations of the reactants.
asked
Feb 4
in
Chemical kinetics
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1
answer
86
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Calculate the standard enthalpy change (ΔH°) for the reaction:2H2(g) + O2(g) → 2H2O(g)given the following bond energies:H-H = 436 kJ/mol, O=O = 498 kJ/mol, H-O = 463 kJ/mol
asked
Feb 3
in
Quantum Chemistry
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1
answer
103
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How does attention affect task performance?
asked
Jan 17
in
Psychology
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1
answer
146
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According to the self-discrepancy theory, what is the relationship between self-discrepancies and anxiety?
asked
Jan 17
in
Psychology
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1
answer
62
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Why is the labelling theory used in forensic psychology?
asked
Jan 16
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Psychology
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1
answer
16
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What is the significance of the term 'facticity' in Heidegger's philosophy?
asked
Jan 13
in
Psychology
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1
answer
74
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What type of barrier physically blocks pathogens from entering the body?
asked
Jan 8
in
Science
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1
answer
66
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What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis?
asked
Jan 7
in
Science
0
votes
1
answer
49
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What part of the muscle fibers cause shortening and contraction?
asked
Jan 7
in
Science
0
votes
1
answer
35
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What is the name for spherical groups of old stars held tightly together by gravity?
asked
Jan 7
in
Science
0
votes
1
answer
20
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What is considered the smallest unit of life?
asked
Jan 6
in
Science
0
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1
answer
146
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What happens to growth of plants and bacteria in warmer regions?
asked
Jan 6
in
Science
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1
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113
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What characteristics of an organism help it survive?
asked
Jan 6
in
Science
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