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How does the presence of heavy metals in contaminated soil affect the growth and development of crops, and what are the possible ways to mitigate their negative impact on agriculture?

asked Feb 22 in Environmental Chemistry by MeganAndrzej (2.0k points)

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How does the prediction of electronic and magnetic properties of molecular magnets vary with changing molecular structures?

asked Feb 22 in Quantum Chemistry by MVCJohnnie50 (2.1k points)

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How does the pore geometry of zeolite structures affect the diffusion rates of different molecules (such as water, methane, and oxygen) through the material, as predicted by computational modeling?

asked Feb 22 in Computational Chemistry by NickEverett (1.6k points)

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What is the balanced chemical equation for the preparation of 2,4-dinitrobenzoic acid from benzoic acid and nitric acid?

asked Feb 22 in Chemical synthesis by MonteEsteban (1.8k points)

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How does the photochemical behavior of octahedral coordination compounds differ from that of tetrahedral complexes? Provide a detailed analysis and experimental evidence to support your answer.

asked Feb 22 in PhotoChemistry by Hulda4183859 (2.2k points)

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What is the percent yield of a chemical reaction when 5 grams of reactant A reacted with excess reactant B to produce 3.5 grams of product C, given that the theoretical yield of C is 4 grams?

asked Feb 22 in Chemical reactions by TracieM73151 (2.5k points)

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How does the orientation of magnetic fields affect the electronic properties of topological materials such as graphene?

asked Feb 22 in Quantum Chemistry by ClevelandHaw (2.4k points)

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What is the step-by-step procedure for the preparation of 2,4-dinitrobenzoic acid from benzoic acid and nitric acid? Additionally, how can the purity of the final product be determined using techniques such as melting point determination and TLC analysis?

asked Feb 22 in Chemical synthesis by KelleS495456 (1.9k points)

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1 answer 79 views

What are the factors that affect the photochromic properties of photochromic materials, and how do these properties make them useful in various applications such as eyeglass lenses and security ink?

asked Feb 22 in PhotoChemistry by AntwanBowie (2.0k points)

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How does the presence of a metal ion in metalloenzymes and metalloproteins affect their function and how can this knowledge be applied in developing new drugs for specific diseases?

asked Feb 22 in Coordination Chemistry by HiramFarrell (1.7k points)

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How does the particle size of magnetic materials affect their magnetic properties and suitability for use in data storage devices?

asked Feb 22 in Materials Chemistry by DirkCamidge (1.7k points)

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How does the photochemical behavior of chiral molecules differ from that of their achiral counterparts, and how can this difference be utilized in chiral separation techniques?

asked Feb 22 in PhotoChemistry by GarnetFjo447 (1.8k points)

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What type of reactor design would be best suited for the production of hydrogen gas via steam reforming of natural gas, and what are the specific design parameters that need to be optimized to achieve maximum yield and efficiency of the reaction?

asked Feb 21 in Chemical engineering by EllisDonahue (2.6k points)

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How does the presence of metal ions in a complex affect its photochemical properties? Investigate the effect of different metal ions on the ability of the complex to absorb light and undergo photochemical reactions.

asked Feb 22 in PhotoChemistry by TroyWitcher8 (2.1k points)

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How do the photochemical properties of dye and pigment molecules affect their performance in coloring materials and their ability to resist fading under different light conditions?

asked Feb 22 in PhotoChemistry by JacquelynDos (1.7k points)

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1 answer 85 views

How does the pH of acid rain affect the growth and survival of aquatic organisms in streams and lakes, and what can be done to mitigate these effects?

asked Feb 22 in Environmental Chemistry by Dawn49061396 (2.1k points)

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How do the photochemical properties of different sunscreen agents affect their effectiveness in protecting against UV radiation?

asked Feb 22 in PhotoChemistry by TillyBbd3251 (2.3k points)

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What is the predicted geometry and polarity of the NO<sub>2</sub><sup>-</sup> ion?

asked Feb 21 in Inorganic Chemistry by ValeriaStrom (1.7k points)

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How do the photochemical properties of metal complexes vary with changes in the coordination geometry of the metal center?

asked Feb 22 in PhotoChemistry by ChandraPicke (1.7k points)

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What is the pKa value of acetic acid, and what is the pH of a 0.1 M solution of acetic acid? Also, what is the percent ionization of acetic acid in this solution? (Assume temperature to be 25°C and the ionization of acetic acid to be a one-step process.)

asked Feb 22 in Organic Chemistry by IsobelMaggar (1.8k points)

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