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Standard Entropy Change at Initial Temperature T1 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%
✖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%
✖Initial Temperature at Equilibrium is the degree or intensity of heat present at the initial stage of the system during equilibrium.ⓘ Initial Temperature at Equilibrium [T₁]			+10% -10%

✖Change in entropy is the thermodynamic quantity equivalent to the total difference between the entropy of a system.ⓘ Standard Entropy Change at Initial Temperature T1 [ΔS]

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Standard Entropy Change at Initial Temperature T1 Solution

STEP 0: Pre-Calculation Summary

Formula Used

Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium)
ΔS = (2.303*[R]*log10(K₁))+(ΔH/T₁)
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.
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.
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
Initial Temperature at Equilibrium: 80 Kelvin --> 80 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔS = (2.303*[R]*log10(K₁))+(ΔH/T₁) --> (2.303*[R]*log10(0.026))+(190/80)

Evaluating ... ...

ΔS = -27.9754190828096

STEP 3: Convert Result to Output's Unit

-27.9754190828096 Joule per Kilogram K --> No Conversion Required

FINAL ANSWER

-27.9754190828096 ≈ -27.975419 Joule per Kilogram K <-- Change in Entropy

(Calculation completed in 00.004 seconds)

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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 Initial Temperature T1 Formula

LaTeX Go

Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium)
ΔS = (2.303*[R]*log10(K₁))+(ΔH/T₁)

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 Initial Temperature T1?

Standard Entropy Change at Initial Temperature T1 calculator uses Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium) to calculate the Change in Entropy, The Standard entropy change at initial temperature T1 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 Initial Temperature T1 using this online calculator? To use this online calculator for Standard Entropy Change at Initial Temperature T1, enter Equilibrium constant 1 (K₁), Change in Enthalpy (ΔH) & Initial Temperature at Equilibrium (T₁) and hit the calculate button. Here is how the Standard Entropy Change at Initial Temperature T1 calculation can be explained with given input values -> -27.975419 = (2.303*[R]*log10(0.026))+(190/80).

FAQ

What is Standard Entropy Change at Initial Temperature T1?

The Standard entropy change at initial temperature T1 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]*log10(K₁))+(ΔH/T₁) or Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial 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 & Initial Temperature at Equilibrium is the degree or intensity of heat present at the initial stage of the system during equilibrium.

How to calculate Standard Entropy Change at Initial Temperature T1?

The Standard entropy change at initial temperature T1 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]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium). To calculate Standard Entropy Change at Initial Temperature T1, you need Equilibrium constant 1 (K₁), Change in Enthalpy (ΔH) & Initial Temperature at Equilibrium (T₁). With our tool, you need to enter the respective value for Equilibrium constant 1, Change in Enthalpy & 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 Change in Entropy?

In this formula, Change in Entropy uses Equilibrium constant 1, Change in Enthalpy & Initial Temperature at Equilibrium. 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])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2))

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