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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Created by Akshada Kulkarni
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

Standard Entropy Change at Initial Temperature T1 Formula

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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