Recent questions in Chemical kinetics

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1 answer 91 views

How does a change in the reaction mechanism affect the rate of a chemical reaction?

asked Jan 30 in Chemical kinetics by MervinSchroe (2.0k points)

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1 answer 105 views

How does a change in concentration of reactants affect the rate of reaction and the safety in the production of hydrogen gas?

asked Jan 30 in Chemical kinetics by RigobertoWat (1.5k points)

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1 answer 121 views

How does a change in temperature affect the reaction rate of the chemical reaction between potassium permanganate and oxalic acid in an acidic solution?

asked Jan 30 in Chemical kinetics by CecileBills (2.2k points)

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1 answer 83 views

What is the effect of a catalyst on the rate of a chemical reaction, and how does this relate to the reaction mechanism?

asked Jan 30 in Chemical kinetics by Sylvia941924 (1.9k points)

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1 answer 99 views

What is the effect of a 10°C temperature increase on the rate of reaction between hydrochloric acid (HCl) and magnesium (Mg)?

asked Jan 30 in Chemical kinetics by BarbraVidal (1.6k points)

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1 answer 87 views

Calculate the activation energy of a reaction that has a rate constant of 8.23 x 10^-4 s^-1 at 300 K and a rate constant of 1.56 x 10^-2 s^-1 at 350 K.

asked Jan 23 in Chemical kinetics by KaitlynRodri (2.0k points)

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1 answer 67 views

A student wants to determine the rate law for the reaction between compound A and compound B. The student measures the initial rate of the reaction under different conditions and records the following data:| Experiment | [A] (M) | [B] (M) | Initial Rate (M/s) ||------------|---------|---------|-------------------|| 1 | 0.1 | 0.1 | 4.22x10^-4 || 2 | 0.2 | 0.1 | 8.44x10^-4 || 3 | 0.1 | 0.2 | 1.69x10^-3 |What is the rate law expression for this reaction in terms of the rate constant, k?

asked Jan 22 in Chemical kinetics by MaryellenGra (2.1k points)

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1 answer 72 views

A student wants to determine the rate constant of a first-order reaction. The initial concentration of reactant is 0.050 M and after 60 seconds, the concentration drops to 0.025 M. What is the rate constant of the reaction?

asked Jan 22 in Chemical kinetics by RandolphWvo (1.9k points)

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1 answer 70 views

A student wants to determine the rate constant for the reaction between hydrogen and iodine gases, given the following experimental data:-At t=0, the initial concentration of hydrogen is 0.025 M and iodine is 0.015 M.-10 seconds later, the concentration of hydrogen is 0.018 M and iodine is 0.022 M.-The reaction is second-order with respect to hydrogen, and first-order with respect to iodine.What is the rate constant for the reaction?

asked Jan 22 in Chemical kinetics by TrenaSee705 (1.7k points)

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1 answer 102 views

A student is studying the kinetics of a reaction between hydrogen and iodine gases. They measure the initial rate of the reaction to be 0.025 mol L^-1 s^-1 at a particular temperature. They want to calculate the rate constant for this reaction using this information. What is the rate constant of this reaction at this temperature?

asked Jan 22 in Chemical kinetics by LeannaCremea (1.6k points)

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1 answer 64 views

A chemistry student wants to determine the rate constant for the reaction: 2NO(g) + Cl2(g) → 2NOCl(g) They measure the concentrations of all the reactants and products at different times and obtain the following data:Time (s) | [NO] (M) | [Cl2] (M) | [NOCl] (M):--: | :--: | :--: | :--:0 | 0.100 | 0.200 | 0.00010 | 0.080 | 0.180 | 0.04020 | 0.064 | 0.160 | 0.06430 | 0.051 | 0.140 | 0.08140 | 0.041 | 0.120 | 0.089What is the rate constant (k) for this reaction?

asked Jan 22 in Chemical kinetics by LeaDoss42672 (1.8k points)

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1 answer 69 views

A chemistry student needs to determine the rate law for the reaction between hydrogen peroxide and iodide ion in the presence of an acid catalyst. Using experimental data, what is the order of the reaction with respect to hydrogen peroxide, iodide ion, and acid? Write the rate law equation for this reaction.

asked Jan 22 in Chemical kinetics by EleanorNabor (1.9k points)

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1 answer 128 views

A chemistry student needs to determine the rate constant for the reaction between hydrochloric acid and sodium thiosulfate. If the initial concentration of hydrochloric acid is 0.1 M, the initial concentration of sodium thiosulfate is 0.05 M, and the initial rate of the reaction is 8.7 x 10^-5 mol/L.s, what is the rate constant for this reaction?

asked Jan 22 in Chemical kinetics by ElviaM111599 (1.4k points)

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1 answer 113 views

A chemistry student needs to calculate the rate constant for the following reaction: 2 H2(g) + O2(g) --> 2 H2O(g) The initial concentration of H2 is 0.45 M and the initial concentration of O2 is 0.20 M. The reaction rate is measured to be 0.75 M/s. Calculate the rate constant for the reaction.

asked Jan 22 in Chemical kinetics by 43025337997 (2.2k points)

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1 answer 108 views

A chemistry student needs to calculate the rate constant (k) for the following first-order reaction based on the given data: The half-life of the reaction is 20 seconds when the initial concentration of reactant is 0.2M. What is the rate constant of the reaction?

asked Jan 22 in Chemical kinetics by Lettie458244 (1.9k points)

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1 answer 144 views

A chemistry student is studying the reaction between hydrogen gas and iodine gas to form hydrogen iodide gas. The student has collected data on the concentration of hydrogen and the rate of reaction at different times. Using the collected data, calculate the rate constant of the reaction between hydrogen and iodine gas.

asked Jan 22 in Chemical kinetics by RaleighAckle (1.8k points)

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1 answer 97 views

A chemistry experiment was conducted to determine the rate constant for the reaction between hydrogen peroxide and iodide ion in acidic medium. The initial concentrations of hydrogen peroxide and iodide ion were 0.2 M and 0.1 M respectively. The reaction was carried out at 25°C and the time taken for the completion of the reaction was 60 seconds. Based on these data, what is the rate constant for the reaction?

asked Jan 22 in Chemical kinetics by SenaidaDelac (1.8k points)

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1 answer 78 views

How does increasing the temperature affect the rate of reaction between sodium thiosulfate and hydrochloric acid?

asked Jan 22 in Chemical kinetics by NanVanwagene (1.8k points)

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1 answer 67 views

How does increasing the temperature affect the rate of reaction between sodium thiosulfate and hydrochloric acid?

asked Jan 22 in Chemical kinetics by DelilaBeyers (1.6k points)

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