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Rate Constant at Half Time for First Order Reaction Calculator

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✖The Half Time of the reaction is the time at which the concentration of reactant is exactly half of the initial concentration.ⓘ Half Time [t_1/2]

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✖The Rate Constant for First Order Reaction is defined as the rate of the reaction divided by the concentration of the reactant.ⓘ Rate Constant at Half Time for First Order Reaction [k_first]

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Rate Constant at Half Time for First Order Reaction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Rate Constant for First Order Reaction = 0.693/Half Time
k_first = 0.693/t_1/2
This formula uses 2 Variables

Variables Used

Rate Constant for First Order Reaction - (Measured in 1 Per Second) - The Rate Constant for First Order Reaction is defined as the rate of the reaction divided by the concentration of the reactant.
Half Time - (Measured in Second) - The Half Time of the reaction is the time at which the concentration of reactant is exactly half of the initial concentration.

STEP 1: Convert Input(s) to Base Unit

Half Time: 1.332 Second --> 1.332 Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

k_first = 0.693/t_1/2 --> 0.693/1.332

Evaluating ... ...

k_first = 0.52027027027027

STEP 3: Convert Result to Output's Unit

0.52027027027027 1 Per Second --> No Conversion Required

FINAL ANSWER

0.52027027027027 ≈ 0.52027 1 Per Second <-- Rate Constant for First Order Reaction

(Calculation completed in 00.004 seconds)

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< First Order Reaction Calculators

Time for Completion for First Order given Rate Constant and Initial Concentration

LaTeX Go Time for completion = 2.303/Rate Constant for First Order Reaction*log10(Initial Concentration for First Order Reaction/Concentration at Time t)

Rate Constant of First Order Reaction using Logarithm to base 10

LaTeX Go Rate Constant for First Order Reaction = 2.303/Time for completion*log10(Initial Concentration for First Order Reaction/Concentration at Time t)

Time for Completion of First Order Reaction

LaTeX Go Time for completion = 2.303/Rate Constant for First Order Reaction*log10(Initial Reactant A Concentration/Concentration at Time t of Reactant A)

Half Time Completion of First Order Reaction

LaTeX Go Half Time = 0.693/Rate Constant for First Order Reaction

Rate Constant at Half Time for First Order Reaction Formula

LaTeX Go

Rate Constant for First Order Reaction = 0.693/Half Time
k_first = 0.693/t_1/2

What is first-order reaction?

In the first-order reaction, the rate of reaction is proportional to the first power of the concentration of the reactant. The concentration of the reactant in the first-order reaction decreases exponentially with time.

How to Calculate Rate Constant at Half Time for First Order Reaction?

Rate Constant at Half Time for First Order Reaction calculator uses Rate Constant for First Order Reaction = 0.693/Half Time to calculate the Rate Constant for First Order Reaction, The Rate constant at half time for first order reaction formula is defined as the rate of the reaction per concentration of the reactant. The formula is a natural logarithm of 2 divided by the half time of the reaction. Rate Constant for First Order Reaction is denoted by k_first symbol.

How to calculate Rate Constant at Half Time for First Order Reaction using this online calculator? To use this online calculator for Rate Constant at Half Time for First Order Reaction, enter Half Time (t_1/2) and hit the calculate button. Here is how the Rate Constant at Half Time for First Order Reaction calculation can be explained with given input values -> 0.126 = 0.693/1.332.

FAQ

What is Rate Constant at Half Time for First Order Reaction?

The Rate constant at half time for first order reaction formula is defined as the rate of the reaction per concentration of the reactant. The formula is a natural logarithm of 2 divided by the half time of the reaction and is represented as k_first = 0.693/t_1/2 or Rate Constant for First Order Reaction = 0.693/Half Time. The Half Time of the reaction is the time at which the concentration of reactant is exactly half of the initial concentration.

How to calculate Rate Constant at Half Time for First Order Reaction?

The Rate constant at half time for first order reaction formula is defined as the rate of the reaction per concentration of the reactant. The formula is a natural logarithm of 2 divided by the half time of the reaction is calculated using Rate Constant for First Order Reaction = 0.693/Half Time. To calculate Rate Constant at Half Time for First Order Reaction, you need Half Time (t_1/2). With our tool, you need to enter the respective value for Half Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Rate Constant for First Order Reaction?

In this formula, Rate Constant for First Order Reaction uses Half Time. We can use 3 other way(s) to calculate the same, which is/are as follows -

Rate Constant for First Order Reaction = 2.303/Time for completion*log10(Initial Concentration for First Order Reaction/Concentration at Time t)
Rate Constant for First Order Reaction = (2.303/Time for completion)*log10(Initial Reactant Volume/Volume at Time t)
Rate Constant for First Order Reaction = 1/Average time

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