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What is the effect of reaction rate on reaction safety, and how can we investigate it experimentally? Provide a detailed explanation and experimental approach for a chemistry student to follow.
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
30
views
What is the effect of temperature on the reaction rate between hydrochloric acid and sodium thiosulphate, and how does it conform with the Arrhenius equation?
asked
Feb 20
in
Chemical kinetics
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1
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37
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What is the coordination number of a transition metal ion in a complex compound? Provide an example of a complex with a coordination number of 6 and explain the octahedral geometry that results from this coordination number.
asked
Feb 19
in
Coordination Chemistry
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1
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38
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How can the use of pesticides and fertilizers in sustainable agriculture be optimized to minimize their impact on the environment while still maintaining crop yields?
asked
Feb 14
in
Environmental Chemistry
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1
answer
30
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How does the regulation of glycolysis and gluconeogenesis differ in the liver compared to other tissues in the body? Provide examples of signaling pathways and enzymes involved in this regulation.
asked
Feb 13
in
BioChemistry
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votes
1
answer
29
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How can the electrical conductivity of polymer-based electronic materials be optimized for use in electronic devices?
asked
Feb 7
in
Polymer Chemistry
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40
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How can chemical modification of existing anti-inflammatory drugs lead to the development of more effective treatments for inflammatory diseases?
asked
Feb 4
in
Medicinal Chemistry
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1
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39
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How can a cost-effective and efficient system be designed to extract valuable metals like gold and silver from electronic waste, while minimizing environmental impact and complying with regulatory standards?
asked
Feb 4
in
Chemical engineering
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51
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Calculate the standard Gibbs free energy change (ΔG°) for the electrochemical reaction of the reduction of copper ions (Cu2+) to copper atoms (Cu) using a copper electrode in a solution of copper sulfate (CuSO4) at 25°C. The standard reduction potential of the copper ion is +0.34 V.
asked
Feb 3
in
ElectroChemistry
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40
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Calculate the standard enthalpy change for the reaction A(s) + 2B(g) → 3C(l) + D(g) given the following data:• ΔHf° for A(s) is -100 kJ/mol• ΔHf° for C(l) is -50 kJ/mol• ΔS° for the reaction is 450 J/K•mol• ΔS° for D(g) is 200 J/K•mol
asked
Feb 3
in
Inorganic Chemistry
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1
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89
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How do changes in the atomic configuration affect the electronic and optical properties of perovskite materials, and how can we use quantum calculations to accurately predict these changes?
asked
Jan 31
in
Quantum Chemistry
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1
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100
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What is the binding energy of a non-covalent interaction between a water molecule and a methane molecule, calculated through quantum chemical calculations?
asked
Jan 31
in
Computational Chemistry
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1
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97
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How can X-ray fluorescence spectroscopy be used to identify the presence of specific elements in a sample and what are the limitations of this technique?
asked
Jan 30
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Analytical Chemistry
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1
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66
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Calculate the heat of mixing (in kJ/mol) when 100 mL of 0.2 M HCl is added to 200 mL of 0.1 M NaOH at 25°C. Assume the density of the resulting solution is 1 g/mL and specific heat capacity is 4.18 J/(g*K). Also, assume the heat capacity of the solution is the same as water.
asked
Jan 23
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ThermoChemistry
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1
answer
102
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A chemistry student must determine the maximum work that can be done by a gas held in a container with a fixed volume and temperature. Given the number of moles of gas and the pressure inside the container, use statistical mechanics and thermodynamic ensembles to calculate the maximum work that can be extracted from the gas.
asked
Jan 22
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Physical Chemistry
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1
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91
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According to the social causation hypothesis, what contributes to the greater incidence of psychosis in urban areas?
asked
Jan 20
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Psychology
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1
answer
79
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According to the transactional model of psychosis, what are the three aspects of interaction between an individual and their environment?
asked
Jan 20
in
Psychology
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1
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69
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How did Solomon Asch's conformity experiment inform us about social influence?
asked
Jan 17
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Psychology
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1
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77
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When does classical conditioning occur according to Pavlov?
asked
Jan 15
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Psychology
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1
answer
40
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What is the biological approach to understanding mental illness?
asked
Jan 15
in
Psychology
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