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Equilibrium Constant 2 using Enthalpy of Reaction Calculator

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✖Equilibrium constant 1 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T1.ⓘ Equilibrium constant 1 [K₁]			+10% -10%
✖The Enthalpy of Reaction is the difference in enthalpy between products and reactants.ⓘ Enthalpy of Reaction [ΔH]			+10% -10%
✖Absolute temperature 2 is the temperature of an object on a scale where 0 is taken as absolute zero.ⓘ Absolute temperature 2 [T₂]			+10% -10%
✖Absolute Temperature is defined as the measurement of temperature beginning at absolute zero on the Kelvin scale.ⓘ Absolute Temperature [T_abs]			+10% -10%

✖Equilibrium constant 2 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T2.ⓘ Equilibrium Constant 2 using Enthalpy of Reaction [K₂]

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Equilibrium Constant 2 using Enthalpy of Reaction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Equilibrium constant 2 = Equilibrium constant 1*exp((-(Enthalpy of Reaction/[R]))*((1/Absolute temperature 2)-(1/Absolute Temperature)))
K₂ = K₁*exp((-(ΔH/[R]))*((1/T₂)-(1/T_abs)))
This formula uses 1 Constants, 1 Functions, 5 Variables

Constants Used

[R] - Universal gas constant Value Taken As 8.31446261815324

Functions Used

exp - n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable., exp(Number)

Variables Used

Equilibrium constant 2 - Equilibrium constant 2 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T2.
Equilibrium constant 1 - Equilibrium constant 1 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T1.
Enthalpy of Reaction - (Measured in Joule Per Mole) - The Enthalpy of Reaction is the difference in enthalpy between products and reactants.
Absolute temperature 2 - (Measured in Kelvin) - Absolute temperature 2 is the temperature of an object on a scale where 0 is taken as absolute zero.
Absolute Temperature - (Measured in Kelvin) - Absolute Temperature is defined as the measurement of temperature beginning at absolute zero on the Kelvin scale.

STEP 1: Convert Input(s) to Base Unit

Equilibrium constant 1: 0.026 --> No Conversion Required
Enthalpy of Reaction: 300 KiloJoule Per Mole --> 300000 Joule Per Mole (Check conversion here)
Absolute temperature 2: 310 Kelvin --> 310 Kelvin No Conversion Required
Absolute Temperature: 273.15 Kelvin --> 273.15 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K₂ = K₁*exp((-(ΔH/[R]))*((1/T₂)-(1/T_abs))) --> 0.026*exp((-(300000/[R]))*((1/310)-(1/273.15)))

Evaluating ... ...

K₂ = 171541.953809929

STEP 3: Convert Result to Output's Unit

171541.953809929 --> No Conversion Required

FINAL ANSWER

171541.953809929 ≈ 171542 <-- Equilibrium constant 2

(Calculation completed in 00.007 seconds)

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< Arrhenius Equation Calculators

Pre-exponential Factor in Arrhenius Equation for Forward Reaction

LaTeX Go Forward Pre-exponential Factor = Forward reaction rate constant/exp(-(Activation Energy Forward/([R]*Absolute Temperature)))

Arrhenius Equation for Forward Reaction

LaTeX Go Forward reaction rate constant = Forward Pre-exponential Factor*exp(-(Activation Energy Forward/([R]*Absolute Temperature)))

Arrhenius Equation

LaTeX Go Rate Constant = Pre-Exponential Factor*(exp(-(Activation Energy/([R]*Absolute Temperature))))

Pre-exponential Factor in Arrhenius Equation

LaTeX Go Pre-Exponential Factor = Rate Constant/exp(-(Activation Energy/([R]*Absolute Temperature)))

Equilibrium Constant 2 using Enthalpy of Reaction Formula

LaTeX Go

Equilibrium constant 2 = Equilibrium constant 1*exp((-(Enthalpy of Reaction/[R]))*((1/Absolute temperature 2)-(1/Absolute Temperature)))
K₂ = K₁*exp((-(ΔH/[R]))*((1/T₂)-(1/T_abs)))

What is equilibrium constant?

Equilibrium constant is defined as the product of concentration of products at equilibrium by the product of concentration of reactants at equilibrium. This representation is known as equilibrium law or chemical equilibrium. The thermodynamically correct equilibrium constant expression relates the activities of all of the species present in the reaction.

How to Calculate Equilibrium Constant 2 using Enthalpy of Reaction?

Equilibrium Constant 2 using Enthalpy of Reaction calculator uses Equilibrium constant 2 = Equilibrium constant 1*exp((-(Enthalpy of Reaction/[R]))*((1/Absolute temperature 2)-(1/Absolute Temperature))) to calculate the Equilibrium constant 2, The Equilibrium constant 2 using enthalpy of reaction is defined as the value of its reaction quotient at chemical equilibrium at an absolute temperature, T2 in terms of the enthalpy of the reaction. Equilibrium constant 2 is denoted by K₂ symbol.

How to calculate Equilibrium Constant 2 using Enthalpy of Reaction using this online calculator? To use this online calculator for Equilibrium Constant 2 using Enthalpy of Reaction, enter Equilibrium constant 1 (K₁), Enthalpy of Reaction (ΔH), Absolute temperature 2 (T₂) & Absolute Temperature (T_abs) and hit the calculate button. Here is how the Equilibrium Constant 2 using Enthalpy of Reaction calculation can be explained with given input values -> 171542 = 0.026*exp((-(300000/[R]))*((1/310)-(1/273.15))).

FAQ

What is Equilibrium Constant 2 using Enthalpy of Reaction?

The Equilibrium constant 2 using enthalpy of reaction is defined as the value of its reaction quotient at chemical equilibrium at an absolute temperature, T2 in terms of the enthalpy of the reaction and is represented as K₂ = K₁*exp((-(ΔH/[R]))*((1/T₂)-(1/T_abs))) or Equilibrium constant 2 = Equilibrium constant 1*exp((-(Enthalpy of Reaction/[R]))*((1/Absolute temperature 2)-(1/Absolute Temperature))). Equilibrium constant 1 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T1, The Enthalpy of Reaction is the difference in enthalpy between products and reactants, Absolute temperature 2 is the temperature of an object on a scale where 0 is taken as absolute zero & Absolute Temperature is defined as the measurement of temperature beginning at absolute zero on the Kelvin scale.

How to calculate Equilibrium Constant 2 using Enthalpy of Reaction?

The Equilibrium constant 2 using enthalpy of reaction is defined as the value of its reaction quotient at chemical equilibrium at an absolute temperature, T2 in terms of the enthalpy of the reaction is calculated using Equilibrium constant 2 = Equilibrium constant 1*exp((-(Enthalpy of Reaction/[R]))*((1/Absolute temperature 2)-(1/Absolute Temperature))). To calculate Equilibrium Constant 2 using Enthalpy of Reaction, you need Equilibrium constant 1 (K₁), Enthalpy of Reaction (ΔH), Absolute temperature 2 (T₂) & Absolute Temperature (T_abs). With our tool, you need to enter the respective value for Equilibrium constant 1, Enthalpy of Reaction, Absolute temperature 2 & Absolute Temperature 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 Equilibrium constant 2?

In this formula, Equilibrium constant 2 uses Equilibrium constant 1, Enthalpy of Reaction, Absolute temperature 2 & Absolute Temperature. We can use 2 other way(s) to calculate the same, which is/are as follows -

Equilibrium constant 2 = (Forward Pre-exponential Factor/Backward Pre-exponential factor)*exp((Activation Energy Backward-Activation Energy Forward)/([R]*Absolute temperature 2))
Equilibrium constant 2 = Equilibrium constant 1*exp(((Activation Energy Backward-Activation Energy Forward)/[R])*((1/Absolute temperature 2)-(1/Absolute Temperature)))

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