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What is the most probable product of the gas-phase reaction between methane and chlorine initiated by ultraviolet radiation? Use Monte Carlo simulations to predict the ratio of products formed under different conditions of temperature and pressure.
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Feb 21
in
Computational Chemistry
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34
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How does the activation energy of a chemical reaction affect its rate and mechanism?
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Feb 17
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Quantum Chemistry
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36
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How does the surface tension of a biomembrane affect the diffusion of molecules across the membrane?
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Feb 17
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Surface Chemistry
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46
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What is the geometry and polarity of the inorganic molecule sulfur dioxide (SO2)?
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Feb 14
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Inorganic Chemistry
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51
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What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide an example and explain the mechanism of the reaction with the coordination chemistry principles involved.
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Feb 13
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Coordination Chemistry
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66
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How can the properties of a polymer be optimized during the manufacturing process to achieve desired mechanical, thermal, and chemical properties?
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Feb 10
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Polymer Chemistry
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44
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How can the molecular structure and intermolecular interactions of liquid crystals be optimized to enhance their performance in display technology, specifically in terms of response time, contrast ratio, and viewing angles?
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Feb 10
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Materials Chemistry
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38
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How can the mechanical and chemical properties of polymer-based biomaterials be optimized to enhance tissue regeneration and functional restoration in case of tissue damage or diseases?
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Feb 7
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Polymer Chemistry
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38
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How can chemistry teachers provide adequate support for students with learning disabilities to ensure they have equal opportunities to succeed in the subject?
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Feb 5
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Chemical education
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73
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Here's a precise problem for a chemistry student to solve:Using Hess's Law, calculate the enthalpy change for the reaction where 2 moles of methane (CH4) reacts with 4 moles of oxygen gas (O2) to form 2 moles of carbon dioxide (CO2) and 4 moles of water (H2O), given the following known enthalpy changes:ΔH1 = -890 kJ/mol for the reaction: CH4 + 2O2 → CO2 + 2H2OΔH2 = -394 kJ/mol for the reaction: C + O2 → CO2ΔH3 = -286 kJ/mol for the reaction: H2 + (1/2)O2 → H2O
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Feb 4
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Chemical reactions
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65
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Calculate the standard enthalpy change for the neutralization of 50.0 mL of 0.100 M hydrochloric acid with 50.0 mL of 0.100 M sodium hydroxide, assuming that the specific heat capacity of the resulting solution is 4.18 J/g °C and the density of the solution is 1.00 g/mL.
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Feb 3
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Chemical thermodynamics
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99
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How can the synthesis of carbon nanotubes be optimized to achieve a uniform and controlled size distribution?
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Jan 30
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Materials Chemistry
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86
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How can the social influence model be used for social change?
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Jan 17
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Psychology
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51
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What is the difference between hearing and listening?
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Jan 16
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Psychology
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124
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What is the role of metapsychology in understanding psychopathology?
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Jan 16
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Psychology
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53
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When evaluating the theories of cognitive dissonance, what is cognitive dissonance?
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Jan 16
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Psychology
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66
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What is punishment in operant conditioning?
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Jan 15
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Psychology
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62
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What is problem-focused coping?
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Jan 14
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Psychology
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68
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Where is most of the cell's dna contained?
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Jan 8
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Science
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46
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Where does the earth gets its energy from?
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Jan 8
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Science
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