Answers by TheScientist

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What is the activation energy of the following reaction at room temperature?2NO(g) + Cl2(g) → 2NOCl(g)The rate constant of the reaction is 0.00313 L mol^-1 s^-1 at 25°C and increases to 0.05012 L mol^-1 s^-1 at 35°C.

answered Mar 1 in Chemical kinetics

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What is the activation energy of a reaction if its rate constant increases by a factor of 4 when the temperature is increased from 25°C to 50°C?

answered Mar 1 in Chemical kinetics

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What is the activation energy of the reaction between hydrochloric acid and zinc, given that the reaction rate constant at 25°C is 3.42 x 10^-3 s^-1 and the temperature coefficient is 1.99?

answered Mar 1 in Chemical reactions

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What is the activation energy required for the chemical reaction between hydrogen gas and oxygen gas to form water? Given that the rate constant of the reaction is 5.62 x 10^-4 s^-1 at 298 K and the reaction has an overall order of 2.

answered Mar 1 in Chemical reactions

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What is the activation energy required for the oxidation of tin in a solution of hydrochloric acid, given that the standard electrode potential for the Sn2+/Sn couple is -0.14 V and the rate constant for the reaction is 5.6 x 10^-3 molL^-1s^-1 at 25°C?

answered Mar 1 in ElectroChemistry

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What is the activation energy for the electrochemical reaction occurring between zinc and copper ions, given that the reaction has a rate constant of 1.5 x 10^-4 mol L^-1 s^-1 at 25°C and a rate constant of 6.2 x 10^-3 mol L^-1 s^-1 at 40°C?

answered Mar 1 in ElectroChemistry

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What is the activation energy for the electrochemical reaction between copper and zinc ions using a copper-zinc galvanic cell at 25°C and a potential difference of 1.8V?

answered Mar 1 in ElectroChemistry

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What is the activation energy required for the decomposition of hydrogen peroxide to water and oxygen at 25°C, given the rate constant of the reaction is 0.005 s⁻¹?

answered Mar 1 in Chemical reactions

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What is the activation energy for a chemical reaction that has a rate constant of 2.5 × 10^-3 s^-1 at a temperature of 298 K, when the frequency factor is 5 × 10^13 s^-1?

answered Mar 1 in Chemical reactions

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Sure, here's a problem for a chemistry student to solve:Calculate the acid dissociation constant (Ka) of a 0.1 M solution of acetic acid, given its pH is 3.7. The pKa value of acetic acid is 4.74.

answered Mar 1 in Chemical reactions

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What are the specific skills and practical experiences that chemistry students need to acquire during their undergraduate studies, in order to be adequately prepared for chemistry-related careers in industry or academia?

answered Mar 1 in Chemical education

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How can the synthesis reaction between magnesium and oxygen be balanced using the least whole number coefficients?

answered Mar 1 in Chemical reactions

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38 views

What is the balanced redox reaction between potassium permanganate and oxalic acid in acidic medium?

answered Mar 1 in Chemical reactions

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What is the balanced redox reaction for the reaction between permanganate ion (MnO4-) and hydrogen peroxide (H2O2) in an acidic solution?

answered Mar 1 in Chemical reactions

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What is the balanced redox reaction when copper metal reacts with silver nitrate solution to form copper (II) nitrate and silver metal?

answered Mar 1 in Chemical reactions

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What is the balanced redox equation for the reaction of potassium permanganate with iron(II) sulfate in acidic solution?

answered Mar 1 in Chemical reactions

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What is the balanced redox equation for the reaction between potassium dichromate (K2Cr2O7) and ethanol (C2H5OH) in acidic medium? Calculate the oxidation number of chromium in the dichromate ion before and after the reaction.

answered Mar 1 in Organic Chemistry

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What is the balanced redox equation for the reaction between iron(II) chloride and potassium permanganate in acidic solution?

answered Mar 1 in Chemical reactions

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What is the balanced half-reaction for the oxidation of ethanol (C2H5OH) to acetic acid (CH3COOH) and what is the oxidation state change of carbon in this reaction?

answered Mar 1 in Organic Chemistry

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What is the balanced equation for the oxidation of ethanol (C2H5OH) to acetic acid (CH3COOH) and determine the number of electrons transferred in the redox reaction?

answered Mar 1 in Organic Chemistry

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