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Standard Entropy Change at Final Temperature T2 Calculator

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✖Change in enthalpy is the thermodynamic quantity equivalent to the total difference between the heat content of a system.ⓘ Change in Enthalpy [ΔH]			+10% -10%
✖Final Temperature at Equilibrium is the degree or intensity of heat present at the final stage of the system during equilibrium.ⓘ Final Temperature at Equilibrium [T₂]			+10% -10%
✖Equilibrium constant 2 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T2.ⓘ Equilibrium constant 2 [K₂]			+10% -10%

✖Change in entropy is the thermodynamic quantity equivalent to the total difference between the entropy of a system.ⓘ Standard Entropy Change at Final Temperature T2 [ΔS]

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Standard Entropy Change at Final Temperature T2 Solution

STEP 0: Pre-Calculation Summary

Formula Used

Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2))
ΔS = (2.303*[R])*(ΔH/(2.303*[R]*T₂)+log10(K₂))
This formula uses 1 Constants, 1 Functions, 4 Variables

Constants Used

[R] - Universal gas constant Value Taken As 8.31446261815324

Functions Used

log10 - The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function., log10(Number)

Variables Used

Change in Entropy - (Measured in Joule per Kilogram K) - Change in entropy is the thermodynamic quantity equivalent to the total difference between the entropy of a system.
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.
Equilibrium constant 2 - Equilibrium constant 2 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T2.

STEP 1: Convert Input(s) to Base Unit

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
Equilibrium constant 2: 0.0431 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔS = (2.303*[R])*(ΔH/(2.303*[R]*T₂)+log10(K₂)) --> (2.303*[R])*(190/(2.303*[R]*40)+log10(0.0431))

Evaluating ... ...

ΔS = -21.3973124534949

STEP 3: Convert Result to Output's Unit

-21.3973124534949 Joule per Kilogram K --> No Conversion Required

FINAL ANSWER

-21.3973124534949 ≈ -21.397312 Joule per Kilogram K <-- Change in Entropy

(Calculation completed in 00.018 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

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< Thermodynamics in Chemical Equilibrium Calculators

Gibbs Free Energy given Equilibrium Constant due to Pressure

LaTeX Go Gibbs Free Energy = -2.303*[R]*Temperature*ln(Equilibrium Constant for Partial Pressure)

Temperature of Reaction given Equilibrium Constant and Gibbs Energy

LaTeX Go Temperature = Gibbs Free Energy/(-2.303*[R]*log10(Equilibrium Constant))

Gibbs Free Energy given Equilibrium Constant

LaTeX Go Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant)

Equilibrium constant given Gibbs free energy

LaTeX Go Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature)))

Standard Entropy Change at Final Temperature T2 Formula

LaTeX Go

Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2))
ΔS = (2.303*[R])*(ΔH/(2.303*[R]*T₂)+log10(K₂))

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 Standard Entropy Change at Final Temperature T2?

Standard Entropy Change at Final Temperature T2 calculator uses Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2)) to calculate the Change in Entropy, The Standard entropy change at final temperature T2 formula is defined as the thermodynamic quantity equivalent to the total difference between the entropy of a system. Change in Entropy is denoted by ΔS symbol.

How to calculate Standard Entropy Change at Final Temperature T2 using this online calculator? To use this online calculator for Standard Entropy Change at Final Temperature T2, enter Change in Enthalpy (ΔH), Final Temperature at Equilibrium (T₂) & Equilibrium constant 2 (K₂) and hit the calculate button. Here is how the Standard Entropy Change at Final Temperature T2 calculation can be explained with given input values -> -21.397312 = (2.303*[R])*(190/(2.303*[R]*40)+log10(0.0431)).

FAQ

What is Standard Entropy Change at Final Temperature T2?

The Standard entropy change at final temperature T2 formula is defined as the thermodynamic quantity equivalent to the total difference between the entropy of a system and is represented as ΔS = (2.303*[R])*(ΔH/(2.303*[R]*T₂)+log10(K₂)) or Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2)). 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 & Equilibrium constant 2 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T2.

How to calculate Standard Entropy Change at Final Temperature T2?

The Standard entropy change at final temperature T2 formula is defined as the thermodynamic quantity equivalent to the total difference between the entropy of a system is calculated using Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2)). To calculate Standard Entropy Change at Final Temperature T2, you need Change in Enthalpy (ΔH), Final Temperature at Equilibrium (T₂) & Equilibrium constant 2 (K₂). With our tool, you need to enter the respective value for Change in Enthalpy, Final Temperature at Equilibrium & Equilibrium constant 2 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 Change in Entropy?

In this formula, Change in Entropy uses Change in Enthalpy, Final Temperature at Equilibrium & Equilibrium constant 2. We can use 3 other way(s) to calculate the same, which is/are as follows -

Change in Entropy = (Change in Enthalpy-Gibbs Free Energy)/Temperature
Change in Entropy = (Change in Enthalpy+(2.303*[R]*Temperature*log10(Equilibrium Constant)))/Temperature
Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium)

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