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How does the presence of heavy metals in soil due to anthropogenic activities affect the growth and quality of crops, and what measures can be taken to mitigate their harmful effects on agriculture?

asked Feb 22 in Environmental Chemistry by FilomenaWago (1.8k points)

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1 answer 88 views

How does the change in temperature affect the rate of a specific photochemical reaction?

asked Feb 22 in PhotoChemistry by JanieCorso7 (1.9k points)

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How does the rate of a photochemical reaction change with temperature, and what is the temperature dependence on the rate constant of the reaction?

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

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What is the rate constant of the reaction between zinc and hydrochloric acid at room temperature?

asked Feb 22 in Inorganic Chemistry by BarbraBelang (2.1k points)

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How does the polarity of the solvent affect the rate of the photochemical reaction for a specific molecule?

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

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How does the presence of adsorbates affect the surface properties of a metal using density functional theory calculations?

asked Feb 22 in Computational Chemistry by DorisHoutz8 (2.0k points)

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What is the mechanism of the reaction between benzene and bromine to form bromobenzene?

asked Feb 22 in Organic Chemistry by PhilipPrisco (1.9k points)

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What are the products of the thermal decomposition of calcium carbonate (CaCO3)?

asked Feb 22 in Chemical reactions by ElenaBriscoe (2.1k points)

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How does the presence of UV rays induce the formation of pyrimidine dimers in newly synthesized strands during DNA replication, what are the consequences of having these pyrimidine dimers, and what types of mechanisms do cells employ to repair them?

asked Feb 22 in BioChemistry by AnnPruett84 (2.3k points)

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1 answer 88 views

How does the rate of a photochemical reaction change with varying temperatures, and what is the underlying mechanism behind this behavior?

asked Feb 22 in PhotoChemistry by Linwood6326 (2.3k points)

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How does the presence of nitrogen affect the physical and chemical properties of heterocyclic compounds compared to their analogous hydrocarbons?

asked Feb 22 in Organic Chemistry by MikaylaBoreh (2.4k points)

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How does the rate of a photochemical reaction vary with changes in the polarity of the solvent used? Provide experimental evidence to support your answer.

asked Feb 22 in PhotoChemistry by AubreyWoore (2.4k points)

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1 answer 86 views

What is the equilibrium constant of the reaction between Ag+ and NH3 to form Ag(NH3)2+ if a solution has an initial concentration of 0.1 M Ag+ and 0.2 M NH3, and at equilibrium, the concentration of Ag(NH3)2+ is 0.02 M?

asked Feb 22 in Chemical equilibrium by TimNakamura (2.0k points)

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How does the rate of a photochemical reaction change with varying pH values? Provide experimental evidence to support your answer.

asked Feb 22 in PhotoChemistry by MarlaColes2 (2.1k points)

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How does the polarity of the solvent affect the rate of the photochemical reaction for a specific light-sensitive compound?

asked Feb 22 in PhotoChemistry by MerissaGxv8 (1.7k points)

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What is the pKa value of acetic acid, and how does it affect its acid strength when compared to other organic acids such as citric acid or benzoic acid? Provide an explanation for your answer using acid-base reaction principles in organic chemistry.

asked Feb 22 in Organic Chemistry by VallieSwaffo (1.7k points)

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What is the predicted molecular geometry of the molecule SO2 using VSEPR theory?

asked Feb 22 in Chemical bonding by SilviaTorpy5 (2.1k points)

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1 answer 82 views

How does the reaction mechanism of a chemical reaction affect the rate of the reaction? Provide specific examples of reactions with different mechanisms and explain how they affect the rate of the reaction.

asked Feb 22 in Chemical kinetics by PalmaYuille (2.1k points)

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What is the mechanism of the reaction between 2-methylpropene and hydrobromic acid in the presence of peroxide? What are the intermediates formed during the reaction and how do they contribute to the overall reaction mechanism?

asked Feb 22 in Organic Chemistry by JanF74978399 (1.6k points)

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How does the polarity of a solvent affect the solubility of a substance? Provide specific examples of polar and nonpolar solvents and solutes, and explain the mechanism behind their solubility.

asked Feb 22 in Chemical bonding by NorineFelici (1.8k points)

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