Standard Enthalpy at Initial Temperature T1 Calculator

⤿

Chemical equilibrium

Ionic equilibrium

⤿

Thermodynamics in Chemical Equilibrium

Equilibrium Constant

Henry's law

Properties of Equilibrium Constant

Relation between Equilibrium Constant and Degree of Dissociation

Relation between Vapour Density and Degree of Dissociation

Relationship between Different Equilibrium Constants

✖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.ⓘ Change in Entropy [ΔS]			+10% -10%
✖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.ⓘ Standard Enthalpy at Initial Temperature T1 [ΔH]

⎘ Copy

👎

Formula

✖

Standard Enthalpy at Initial Temperature T1

Formula

`"ΔH" = (2.303*"[R]"*"T"_{"1"})*(("ΔS"/(2.303*"[R]"))-log10("K"_{"1"}))`

Example

`"20028.03J/kg"=(2.303*"[R]"*"80K")*(("220J/kg*K"/(2.303*"[R]"))-log10("0.0260"))`

Calculator

LaTeX

Reset

👍

Download Chemical equilibrium Formula PDF PDF Image

Standard Enthalpy at Initial Temperature T1 Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

STEP 1: Convert Input(s) to Base Unit

Initial Temperature at Equilibrium: 80 Kelvin --> 80 Kelvin No Conversion Required
Change in Entropy: 220 Joule per Kilogram K --> 220 Joule per Kilogram K No Conversion Required
Equilibrium constant 1: 0.026 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔH = (2.303*[R]*T₁)*((ΔS/(2.303*[R]))-log10(K₁)) --> (2.303*[R]*80)*((220/(2.303*[R]))-log10(0.026))

Evaluating ... ...

ΔH = 20028.0335266248

STEP 3: Convert Result to Output's Unit

20028.0335266248 Joule per Kilogram --> No Conversion Required

FINAL ANSWER

20028.0335266248 ≈ 20028.03 Joule per Kilogram <-- Change in Enthalpy

(Calculation completed in 00.004 seconds)

You are here -

Home » Chemistry » Equilibrium » Chemical equilibrium » Thermodynamics in Chemical Equilibrium » Standard Enthalpy at Initial Temperature T1

Credits

Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has created this Calculator and 500+ more calculators!

Verified by Prerana Bakli

University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA

Prerana Bakli has verified this Calculator and 1600+ more calculators!

< 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 Enthalpy at Initial Temperature T1 Formula

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

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 Initial Temperature T1?

Standard Enthalpy at Initial Temperature T1 calculator uses Change in Enthalpy = (2.303*[R]*Initial Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 1)) to calculate the Change in Enthalpy, The Standard enthalpy at initial temperature T1 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 Initial Temperature T1 using this online calculator? To use this online calculator for Standard Enthalpy at Initial Temperature T1, enter Initial Temperature at Equilibrium (T₁), Change in Entropy (ΔS) & Equilibrium constant 1 (K₁) and hit the calculate button. Here is how the Standard Enthalpy at Initial Temperature T1 calculation can be explained with given input values -> 20028.03 = (2.303*[R]*80)*((220/(2.303*[R]))-log10(0.026)).

FAQ

What is Standard Enthalpy at Initial Temperature T1?

The Standard enthalpy at initial temperature T1 formula is defined as the difference in enthalpy between products and reactants of a chemical reaction and is represented as ΔH = (2.303*[R]*T₁)*((ΔS/(2.303*[R]))-log10(K₁)) or Change in Enthalpy = (2.303*[R]*Initial Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 1)). Initial Temperature at Equilibrium is the degree or intensity of heat present at the initial 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 1 is the value of its reaction quotient at chemical equilibrium, at absolute temperature T1.

How to calculate Standard Enthalpy at Initial Temperature T1?

The Standard enthalpy at initial temperature T1 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]*Initial Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 1)). To calculate Standard Enthalpy at Initial Temperature T1, you need Initial Temperature at Equilibrium (T₁), Change in Entropy (ΔS) & Equilibrium constant 1 (K₁). With our tool, you need to enter the respective value for Initial Temperature at Equilibrium, Change in Entropy & Equilibrium constant 1 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 Initial Temperature at Equilibrium, Change in Entropy & Equilibrium constant 1. 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]*Final Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 2))

Home

FREE PDFs

🔍 Search