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Standard Enthalpy at Final Temperature T2 Calculator

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✖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%
✖Change in entropy is the thermodynamic quantity equivalent to the total difference between the entropy of a system.ⓘ Change in Entropy [ΔS]			+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 enthalpy is the thermodynamic quantity equivalent to the total difference between the heat content of a system.ⓘ Standard Enthalpy at Final Temperature T2 [ΔH]

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Standard Enthalpy at Final Temperature T2 Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Final Temperature at Equilibrium: 40 Kelvin --> 40 Kelvin No Conversion Required
Change in Entropy: 220 Joule per Kilogram K --> 220 Joule per Kilogram K No Conversion Required
Equilibrium constant 2: 0.0431 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔH = (2.303*[R]*T₂)*((ΔS/(2.303*[R]))-log10(K₂)) --> (2.303*[R]*40)*((220/(2.303*[R]))-log10(0.0431))

Evaluating ... ...

ΔH = 9845.8924981398

STEP 3: Convert Result to Output's Unit

9845.8924981398 Joule per Kilogram --> No Conversion Required

FINAL ANSWER

9845.8924981398 ≈ 9845.892 Joule per Kilogram <-- Change in Enthalpy

(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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< 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 Enthalpy at Final Temperature T2 Formula

LaTeX Go

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

Standard Enthalpy at Final Temperature T2 calculator uses Change in Enthalpy = (2.303*[R]*Final Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 2)) to calculate the Change in Enthalpy, The Standard enthalpy at final temperature T2 formula is defined as the difference in enthalpy between products and reactants of a chemical reaction. Change in Enthalpy is denoted by ΔH symbol.

How to calculate Standard Enthalpy at Final Temperature T2 using this online calculator? To use this online calculator for Standard Enthalpy at Final Temperature T2, enter Final Temperature at Equilibrium (T₂), Change in Entropy (ΔS) & Equilibrium constant 2 (K₂) and hit the calculate button. Here is how the Standard Enthalpy at Final Temperature T2 calculation can be explained with given input values -> 9845.892 = (2.303*[R]*40)*((220/(2.303*[R]))-log10(0.0431)).

FAQ

What is Standard Enthalpy at Final Temperature T2?

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

How to calculate Standard Enthalpy at Final Temperature T2?

The Standard enthalpy at final temperature T2 formula is defined as the difference in enthalpy between products and reactants of a chemical reaction is calculated using Change in Enthalpy = (2.303*[R]*Final Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 2)). To calculate Standard Enthalpy at Final Temperature T2, you need Final Temperature at Equilibrium (T₂), Change in Entropy (ΔS) & Equilibrium constant 2 (K₂). With our tool, you need to enter the respective value for Final Temperature at Equilibrium, Change in Entropy & 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 Enthalpy?

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

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

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