Equilibrium Constant 2 in Temperature Range T1 and T2 Solution

STEP 0: Pre-Calculation Summary
Formula Used
Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
K2 = K1*exp((ΔH/[R])*((T2-T1)/(T1*T2)))
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.
Change in Enthalpy - (Measured in Joule per Kilogram) - Change in enthalpy is the thermodynamic quantity equivalent to the total difference between the heat content of a system.
Final Temperature at Equilibrium - (Measured in Kelvin) - Final Temperature at Equilibrium is the degree or intensity of heat present at the final stage of the system during equilibrium.
Initial Temperature at Equilibrium - (Measured in Kelvin) - Initial Temperature at Equilibrium is the degree or intensity of heat present at the initial stage of the system during equilibrium.
STEP 1: Convert Input(s) to Base Unit
Equilibrium constant 1: 0.026 --> No Conversion Required
Change in Enthalpy: 190 Joule per Kilogram --> 190 Joule per Kilogram No Conversion Required
Final Temperature at Equilibrium: 40 Kelvin --> 40 Kelvin No Conversion Required
Initial Temperature at Equilibrium: 80 Kelvin --> 80 Kelvin No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
K2 = K1*exp((ΔH/[R])*((T2-T1)/(T1*T2))) --> 0.026*exp((190/[R])*((40-80)/(80*40)))
Evaluating ... ...
K2 = 0.0195397273833462
STEP 3: Convert Result to Output's Unit
0.0195397273833462 --> No Conversion Required
FINAL ANSWER
0.0195397273833462 0.01954 <-- Equilibrium constant 2
(Calculation completed in 00.020 seconds)

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National Institute of Information Technology (NIIT), Neemrana
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25 Thermodynamics in Chemical Equilibrium Calculators

Equilibrium Constant 2 in Temperature Range T1 and T2
Go Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
Equilibrium Constant 1 in Temperature Range T1 and T2
Go Equilibrium constant 1 = Equilibrium constant 2/exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
Standard Enthalpy at Initial Temperature T1
Go Change in Enthalpy = (2.303*[R]*Initial Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 1))
Standard Enthalpy at Final Temperature T2
Go Change in Enthalpy = (2.303*[R]*Final Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 2))
Standard Entropy Change at Final Temperature T2
Go Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2))
Standard Enthalpy of Reaction at Equilibrium
Go Change in Enthalpy = (Temperature*Change in Entropy)-(2.303*[R]*Temperature*log10(Equilibrium Constant))
Standard Entropy Change at Equilibrium
Go Change in Entropy = (Change in Enthalpy+(2.303*[R]*Temperature*log10(Equilibrium Constant)))/Temperature
Equilibrium Constant at Initial Temperature T1
Go Equilibrium constant 1 = 10^((-Change in Enthalpy/(2.303*[R]*Initial Temperature at Equilibrium))+(Change in Entropy/(2.303*[R])))
Equilibrium Constant at Final Temperature T2
Go Equilibrium constant 2 = 10^((-Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium))+Change in Entropy/(2.303*[R]))
Standard Entropy Change at Initial Temperature T1
Go Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium)
Equilibrium Constant at Equilibrium
Go Equilibrium Constant = 10^((-Change in Enthalpy+(Change in Entropy*Temperature))/(2.303*[R]*Temperature))
Equilibrium Constant due to Pressure Given Gibbs Energy
Go Equilibrium Constant for Partial Pressure = exp(-(Gibbs Free Energy/(2.303*[R]*Temperature)))
Temperature of Reaction given Equilibrium Constant of Pressure and Gibbs Energy
Go Temperature = Gibbs Free Energy/(-2.303*[R]*ln(Equilibrium Constant for Partial Pressure))
Gibbs Free Energy given Equilibrium Constant due to Pressure
Go Gibbs Free Energy = -2.303*[R]*Temperature*ln(Equilibrium Constant for Partial Pressure)
Temperature of Reaction given Equilibrium Constant and Gibbs Energy
Go Temperature = Gibbs Free Energy/(-2.303*[R]*log10(Equilibrium Constant))
Gibbs Free Energy given Equilibrium Constant
Go Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant)
Equilibrium Constant at Equilibrium given Gibbs Energy
Go Equilibrium Constant = exp(-(Gibbs Free Energy/([R]*Temperature)))
Equilibrium constant given Gibbs free energy
Go Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature)))
Temperature of Reaction given Standard Enthalpy and Entropy Change
Go Temperature = (Change in Enthalpy-Gibbs Free Energy)/Change in Entropy
Standard Enthalpy of Reaction given Gibbs Free Energy
Go Change in Enthalpy = Gibbs Free Energy+(Temperature*Change in Entropy)
Standard Entropy Change given Gibbs Free Energy
Go Change in Entropy = (Change in Enthalpy-Gibbs Free Energy)/Temperature
Gibbs Free Energy given Standard Enthalpy
Go Gibbs Free Energy = Change in Enthalpy-(Temperature*Change in Entropy)
Gibbs Energy of Reactants
Go Gibbs Free Energy Reactants = Gibbs Free Energy Products-Gibbs Free Energy Reaction
Gibbs Energy of Reaction
Go Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
Gibbs Energy of Products
Go Gibbs Free Energy Products = Gibbs Free Energy Reaction+Gibbs Free Energy Reactants

Equilibrium Constant 2 in Temperature Range T1 and T2 Formula

Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
K2 = K1*exp((ΔH/[R])*((T2-T1)/(T1*T2)))

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 in Temperature Range T1 and T2?

Equilibrium Constant 2 in Temperature Range T1 and T2 calculator uses Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium))) to calculate the Equilibrium constant 2, The Equilibrium constant 2 in temperature range T1 and T2 formula is defined as the value of its reaction quotient at chemical equilibrium at a particular temperature. Equilibrium constant 2 is denoted by K2 symbol.

How to calculate Equilibrium Constant 2 in Temperature Range T1 and T2 using this online calculator? To use this online calculator for Equilibrium Constant 2 in Temperature Range T1 and T2, enter Equilibrium constant 1 (K1), Change in Enthalpy (ΔH), Final Temperature at Equilibrium (T2) & Initial Temperature at Equilibrium (T1) and hit the calculate button. Here is how the Equilibrium Constant 2 in Temperature Range T1 and T2 calculation can be explained with given input values -> 0.01954 = 0.026*exp((190/[R])*((40-80)/(80*40))).

FAQ

What is Equilibrium Constant 2 in Temperature Range T1 and T2?
The Equilibrium constant 2 in temperature range T1 and T2 formula is defined as the value of its reaction quotient at chemical equilibrium at a particular temperature and is represented as K2 = K1*exp((ΔH/[R])*((T2-T1)/(T1*T2))) or Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium))). Equilibrium constant 1 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T1, Change in enthalpy is the thermodynamic quantity equivalent to the total difference between the heat content of a system, Final Temperature at Equilibrium is the degree or intensity of heat present at the final stage of the system during equilibrium & Initial Temperature at Equilibrium is the degree or intensity of heat present at the initial stage of the system during equilibrium.
How to calculate Equilibrium Constant 2 in Temperature Range T1 and T2?
The Equilibrium constant 2 in temperature range T1 and T2 formula is defined as the value of its reaction quotient at chemical equilibrium at a particular temperature is calculated using Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium))). To calculate Equilibrium Constant 2 in Temperature Range T1 and T2, you need Equilibrium constant 1 (K1), Change in Enthalpy (ΔH), Final Temperature at Equilibrium (T2) & Initial Temperature at Equilibrium (T1). With our tool, you need to enter the respective value for Equilibrium constant 1, Change in Enthalpy, Final Temperature at Equilibrium & Initial Temperature at Equilibrium 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, Change in Enthalpy, Final Temperature at Equilibrium & Initial Temperature at Equilibrium. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Equilibrium constant 2 = 10^((-Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium))+Change in Entropy/(2.303*[R]))
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