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User ShavonneSalc
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What is the most effective analytical method to determine pesticide residues in food samples and how do these residues affect human health over a long period of time?
asked
Feb 21
in
Environmental Chemistry
0
votes
1
answer
139
views
How does increasing the concentration of reactants affect the reaction rate and mechanism of a chemical reaction?
asked
Feb 13
in
Chemical kinetics
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votes
1
answer
116
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What is the mechanism of free radical polymerization of vinyl chloride and how does the reaction pathway lead to the formation of PVC with high molecular weight?
asked
Feb 13
in
Organic Chemistry
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1
answer
202
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How can the synthesis of metal-organic frameworks (MOFs) be optimized to improve their stability and efficiency in gas separation applications?
asked
Feb 11
in
Materials Chemistry
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votes
1
answer
157
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How can the production process for a specific food additive be optimized to increase yield, while also maintaining the desired purity and quality of the final product?
asked
Feb 10
in
Chemical engineering
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1
answer
119
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How can the principles of photochemistry and photophysics be applied to develop more efficient solar cells?
asked
Feb 10
in
Quantum Chemistry
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votes
1
answer
91
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How can the chemical engineering principles be applied to design an efficient and sustainable system for the production of cosmetics that meets the safety and quality standards?
asked
Feb 6
in
Chemical engineering
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1
answer
91
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How can chemistry educators better leverage limited funding for chemistry education in order to continue providing high-quality instruction and resources to their students?
asked
Feb 4
in
Chemical education
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votes
1
answer
123
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How does the production of acid mine drainage impact the pH levels and heavy metal concentrations in nearby water sources, and what techniques can be employed to remediate this issue?
asked
Jan 30
in
Environmental Chemistry
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votes
1
answer
154
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How can the concentration of iron in a given sample be determined using spectrophotometry?
asked
Jan 29
in
Analytical Chemistry
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1
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81
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Calculate the enthalpy change for the hydrolysis of 2 moles of sucrose (C12H22O11) given that the enthalpy change of hydrolysis for 1 mole of sucrose is -564 kJ/mol.
asked
Jan 23
in
ThermoChemistry
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1
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93
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Calculate the enthalpy change for the following chemical reaction: 2NH3(g) + 3O2(g) → 2NO(g) + 3H2O(l) Given the following enthalpy values: ΔH°f (NH3) = −46.11 kJ/molΔH°f (O2) = 0 kJ/molΔH°f (NO) = 90.3 kJ/molΔH°f (H2O) = −285.8 kJ/mol
asked
Jan 23
in
Chemical thermodynamics
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1
answer
99
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When is self-control generally developed in children?
asked
Jan 20
in
Psychology
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1
answer
122
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Who established the law of proximity?
asked
Jan 20
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Psychology
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votes
1
answer
77
views
What is decision fatigue?
asked
Jan 17
in
Psychology
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votes
1
answer
101
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What are the two main types of research philosophy?
asked
Jan 16
in
Psychology
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votes
1
answer
146
views
Outline relative deprivation theory
asked
Jan 15
in
Psychology
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votes
1
answer
71
views
What is the difference between PTSD and complex PTSD?
asked
Jan 14
in
Psychology
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votes
1
answer
98
views
Can depression be prevented?
asked
Jan 13
in
Psychology
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1
answer
97
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What is the embodied cognition approach?
asked
Jan 13
in
Psychology
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