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What is the primary difference between furan and pyrrole in terms of their aromaticity, and how does that affect their chemical reactivity?

asked Feb 13 in Organic Chemistry by MuhammadNuna (2.1k points)

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What is the mechanism of free radical polymerization of vinyl chloride and how does the reaction pathway lead to the formation of PVC with high molecular weight?

asked Feb 13 in Organic Chemistry by ShavonneSalc (1.8k points)

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What conditions are required for the successful synthesis of high molecular weight polypropylene using Ziegler-Natta catalysts from propylene monomer?

asked Feb 13 in Chemical synthesis by CharlesAlcal (2.0k points)

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How many geometric isomers can be formed for the square planar complex (PtCl₂(NH₃)₂)?

asked Feb 13 in Coordination Chemistry by DarbyJackey7 (1.4k points)

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What conditions are needed for the catalytic polymerization of ethylene monomers in order to obtain high molecular weight polyethylene?

asked Feb 13 in Chemical synthesis by SarahWeston5 (2.0k points)

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What is the effect of doubling the concentration of reactant A on the initial rate of a second-order reaction having a rate constant of 0.002 M^-1s^-1 at a fixed concentration of reactant B?

asked Feb 13 in Chemical kinetics by JaninaStroh (2.1k points)

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What is the rate constant of a second-order reaction if its concentration is 0.5 M and its half-life is 5 minutes?

asked Feb 13 in Chemical reactions by RubinSander5 (2.2k points)

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What effect does varying the concentration of reactants have on the reaction rate for a reaction that follows a first-order reaction kinetics?

asked Feb 13 in Chemical kinetics by SvenMcConnel (1.3k points)

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What is the rate constant for the reaction: A + B → C if the concentration of A is 0.1 M, B is 0.2 M, and the initial rate of formation of C is 2.5 x 10^-3 M/s? (Assume the reaction follows first-order kinetics with respect to both A and B.)

asked Feb 13 in Chemical kinetics by MarciaBrooke (1.8k points)

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What is the reaction rate constant for the reaction A + B → C if the initial concentration of A is 0.2 M, the initial concentration of B is 0.3 M, the initial rate of reaction is 0.1 M/s, and the reaction is of first order with respect to both A and B?

asked Feb 13 in Chemical reactions by EmanuelWaldo (2.0k points)

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What structural and electronic parameters are necessary for a metal ion to function as a cofactor in metalloenzymes and metalloproteins, and how do these factors affect the enzyme's catalytic activity?

asked Feb 13 in Coordination Chemistry by AnitraSchard (2.1k points)

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What is the effect of changing the concentration of reactants on the reaction rate for a first-order reaction?

asked Feb 13 in Chemical kinetics by AgnesKkk964 (1.9k points)

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What is the rate constant for the decomposition of 2.00 mol/L of hydrogen peroxide (H2O2) at 25°C, given that the reaction follows first-order kinetics and the rate of decomposition is 0.050 mol/L·s?

asked Feb 13 in Chemical kinetics by KatherineRei (1.9k points)

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What is the rate constant for a first-order decomposition reaction if the half-life is 120 seconds and the initial concentration of the reactant is 0.02 M?

asked Feb 13 in Physical Chemistry by CasimiraMick (1.8k points)

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What is the rate constant for a first-order reaction if the initial concentration of the reactant is 1.5 M and its concentration after 2 minutes is 0.75 M? The half-life of the reaction is 4 minutes.

asked Feb 13 in Chemical kinetics by KeithAnthon1 (1.9k points)

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What is the rate constant for the first order decomposition of hydrogen peroxide if the initial concentration of hydrogen peroxide is 0.1 M and 80% of the hydrogen peroxide decomposes in 5 minutes?

asked Feb 13 in Chemical kinetics by RoseIqw0722 (2.0k points)

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How can we use chemistry concepts and principles to explain the process of food spoilage and prevent it from happening in our daily lives?

asked Feb 13 in Chemical education by SammieToohey (1.6k points)

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How do fluctuations in temperature affect the release of volatile organic compounds (VOCs) from common household products and what is the impact of such emissions on air quality?

asked Feb 13 in Environmental Chemistry by Vernell30C7 (2.5k points)

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What is the reaction mechanism and intermediate involved in the synthesis of ethyl acetate through Fischer esterification?

asked Feb 13 in Organic Chemistry by Regina84W280 (1.7k points)

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What mass of silver chloride (AgCl) can be produced from the reaction between 50 mL of 0.1 M silver nitrate (AgNO3) and 100 mL of 0.2 M hydrochloric acid (HCl)? Also, determine which reactant is in excess and by how much.

asked Feb 13 in Chemical reactions by OlgaMoonligh (2.2k points)

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