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What are the specific chemical reactions that occur in the bioluminescence of marine organisms, and how do the chemical structures of the light-emitting molecules contribute to their photochemical properties?

asked Jan 31 in PhotoChemistry by NormandDubay (270 points)

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What is the energy difference between the ground state and the first excited state of a molecule of benzene, calculated using time-dependent density functional theory (TD-DFT)?

asked Jan 31 in Computational Chemistry by EmanuelBrier (450 points)

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How do carbohydrate-protein interactions and recognition affect the binding affinity and specificity of glycoproteins?

asked Jan 31 in BioChemistry by TerrenceMurn (930 points)

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How does the process of carbon fixation in photosynthesis contribute to the production of glucose? Describe the specific chemical reactions involved in converting carbon dioxide into glucose through the Calvin Cycle.

asked Jan 31 in BioChemistry by DanialGriggs (290 points)

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What is the rate expression for the following gas phase reaction?2NO2(g) → 2NO(g) + O2(g)The student would need to determine the rate expression using experimental data and the rate law equation.

asked Jan 31 in Physical Chemistry by DianHolliday (450 points)

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How effective are the Clean Air Act (CAA) regulations in reducing air pollution and improving air quality in the United States?

asked Jan 31 in Environmental Chemistry by JonnieSchoon (550 points)

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How does an increase in the concentration of reactant or product affect the equilibrium position of a redox reaction, and can you calculate the new equilibrium constant if the concentration of a reactant or product is changed? Provide a specific example of a redox reaction and show step-by-step how to calculate the new equilibrium constant if the concentration of a reactant or product is increased or decreased.

asked Jan 31 in Chemical equilibrium by RositaMidget (370 points)

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What is the structure of an unknown compound with molecular formula C5H10O2 that exhibits singlets in its 1H-NMR spectrum at δ 1.1, 2.3 and 3.7 ppm and a doublet at δ 2.9 ppm?

asked Jan 31 in Analytical Chemistry by KandiCrouse (730 points)

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How does alternative splicing affect RNA stability and protein diversity? Provide specific examples of alternative splicing events in human genes and their functional consequences.

asked Jan 31 in BioChemistry by ClariceMcQui (430 points)

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What is the effect of different types of catalysts (such as homogenous and heterogeneous catalysts) on the rate of a specific reaction, and how can this be practically applied in industrial processes?

asked Jan 31 in Physical Chemistry by VetaFunk053 (530 points)

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How does the liver metabolize drug XYZ and what inhibitors can be used to increase or decrease its metabolism?

asked Jan 31 in Medicinal Chemistry by BiancaHallig (470 points)

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How does alternative splicing impact the formation of different isoforms of specific proteins, and how do these isoforms affect biological function?

asked Jan 31 in BioChemistry by LeandraBlack (480 points)

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What is the effect of temperature on the rate of gas-phase reaction between hydrogen and oxygen using Monte Carlo simulations?

asked Jan 31 in Computational Chemistry by FredaKirschb (350 points)

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How can we calculate the HOMO-LUMO gap and absorption spectrum of a specific conjugated polymer using quantum chemical methods?

asked Jan 31 in Quantum Chemistry by XZYNeva6082 (570 points)

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How can the potential environmental impact of a proposed industrial project be assessed using chemical indicators?

asked Jan 31 in Environmental Chemistry by SantoPortill (370 points)

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How do carbohydrates interact with proteins and what chemical properties govern these interactions?

asked Jan 31 in BioChemistry by BradleySkt2 (270 points)

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What is the standard enthalpy of formation (∆H°f) of ethane (C2H6) at room temperature (298K)? Use quantum chemistry calculations to determine the ∆H°f of ethane and compare it to literature values. Does your calculation agree with the literature values?

asked Jan 31 in Quantum Chemistry by LupeBeane933 (630 points)

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How does aspirin (acetylsalicylic acid) inhibit the formation of prostaglandins and thromboxanes, and what specific interactions occur between aspirin and the enzymes involved in these processes?

asked Jan 31 in Medicinal Chemistry by LouveniaIrq (610 points)

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What is the rate constant for non-radiative deactivation of the excited state of a given small organic molecule, as determined by ab initio calculations?

asked Jan 31 in Computational Chemistry by LorenZ336362 (550 points)

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How does the drug aspirin reduce pain and inflammation in the body at a molecular level?

asked Jan 31 in Medicinal Chemistry by MyrtleW57555 (450 points)

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