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What is the bond angle in a water molecule (H2O) and how can it be predicted using the VSEPR (Valence Shell Electron Pair Repulsion) theory?
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Feb 18
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Chemical bonding
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Melanie86K41
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What is the bond angle between the two hydrogen atoms in a water molecule, and how does the molecular geometry of water affect its properties?
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Feb 17
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Quantum Chemistry
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WalterC19362
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What is the boiling point of magnesium oxide (MgO) at a pressure of 1 atm? Show the calculation steps and provide the answer in degrees Celsius.
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Feb 17
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Inorganic Chemistry
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LarrySummerf
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What is the bond order of the nitrogen molecule (N2)?
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Chemical bonding
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What factors determine the acidity or basicity of a molecule? Provide specific examples of molecules to illustrate your answer.
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Feb 17
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Chemical bonding
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ArnulfoWall
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What is the biochemical mechanism responsible for insulin resistance in type 2 diabetes, and how can it be targeted for therapeutic intervention?
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Feb 17
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BioChemistry
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How does the accumulation of cholesterol in the arterial walls lead to atherosclerosis and what molecular mechanisms are involved in the development of this disease?
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Feb 17
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BioChemistry
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ShadStansbur
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How does the bond order of a molecule relate to its stability based on the electronic structure calculations of molecular orbitals?
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Feb 18
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Quantum Chemistry
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What is the bond length of a nitrogen molecule (N2) with a bond order of 3?
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Feb 18
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Chemical bonding
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RandellBeggs
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How does the binding of a ligand affect the conformation of a protein complex involved in DNA replication?
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Feb 17
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BioChemistry
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BelenPickard
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What is the activation energy of the reaction between hydrogen peroxide and iodide ion, and how does temperature affect the reaction rate? Provide experimental evidence to support your answer.
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Feb 17
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Chemical kinetics
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Sure, here's a question for the student to solve:What is the bond dissociation energy (in kJ/mol) for the carbon-hydrogen bond in methane (CH4) given that the enthalpy change for the reaction CH4(g) → CH3(g) + H(g) is +435 kJ/mol?
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Feb 18
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ThermoChemistry
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What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what is the theoretical yield of 2,4-dichloronitrobenzene if 10 grams of nitrobenzene and an excess of chlorine gas are reacted?
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Feb 17
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Chemical synthesis
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SenaidaDelac
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What is the effect of changing the hydrophobic and hydrophilic properties of a surfactant on its ability to form micelles in aqueous solution?
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Feb 17
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Surface Chemistry
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How does the acidity level of acid mine drainage affect the solubility and toxicity of heavy metals present in contaminated water sources, and what are the best treatment methods to mitigate their impact on the environment?
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Feb 17
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Environmental Chemistry
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JaninaStroh
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What is the bond length between two hydrogen atoms in a hydrogen molecule (H2)? Given the atomic radius of hydrogen as 37 pm and the bond energy of H2 as 436 kJ/mol.
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Feb 18
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Chemical bonding
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KellieDefazi
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What is the balanced chemical equation for the double replacement reaction between sodium hydroxide and hydrochloric acid, and what are the products that form?
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Feb 17
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Chemical reactions
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ImaSimmons79
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What is the bond enthalpy of the H-H bond in the H2 molecule?
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Feb 18
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Chemical bonding
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ARIDrusilla
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How does the binding of a small molecule inhibitor affect the conformational dynamics of a protein target, as revealed by molecular dynamics simulations?
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Feb 17
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Computational Chemistry
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SergioCrews1
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What is the balanced chemical equation for the combustion of propane (C3H8), and what is the volume of oxygen gas (O2) required for complete combustion if 10 grams of propane are burned?
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Feb 17
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Chemical reactions
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GrettaKavel6
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