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Entropy change constant pressure is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work. Check FAQs
δspres=mgasCpmln(TfTi)
δspres - Entropy Change Constant Pressure?mgas - Mass of Gas?Cpm - Molar Specific Heat Capacity at Constant Pressure?Tf - Final Temperature?Ti - Initial Temperature?

Entropy Change in Isobaric Process given Temperature Example

With values
With units
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Here is how the Entropy Change in Isobaric Process given Temperature equation looks like with Values.

Here is how the Entropy Change in Isobaric Process given Temperature equation looks like with Units.

Here is how the Entropy Change in Isobaric Process given Temperature equation looks like.

30.0688Edit=2Edit122Editln(345Edit305Edit)
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Entropy Change in Isobaric Process given Temperature Solution

Follow our step by step solution on how to calculate Entropy Change in Isobaric Process given Temperature?

FIRST Step Consider the formula
δspres=mgasCpmln(TfTi)
Next Step Substitute values of Variables
δspres=2kg122J/K*molln(345K305K)
Next Step Prepare to Evaluate
δspres=2122ln(345305)
Next Step Evaluate
δspres=30.0687642634433J/kg*K
LAST Step Rounding Answer
δspres=30.0688J/kg*K

Entropy Change in Isobaric Process given Temperature Formula Elements

Variables
Functions
Entropy Change Constant Pressure
Entropy change constant pressure is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work.
Symbol: δspres
Measurement: Specific EntropyUnit: J/kg*K
Note: Value can be positive or negative.
Mass of Gas
Mass of Gas is the mass on or by which the work is done.
Symbol: mgas
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Molar Specific Heat Capacity at Constant Pressure
Molar Specific Heat Capacity at Constant Pressure, (of a gas) is the amount of heat required to raise the temperature of 1 mol of the gas by 1 °C at the constant pressure.
Symbol: Cpm
Measurement: Molar Specific Heat Capacity at Constant PressureUnit: J/K*mol
Note: Value should be greater than 0.
Final Temperature
Final Temperature is the measure of hotness or coldness of a system at its final state.
Symbol: Tf
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Initial Temperature
Initial Temperature is the measure of hotness or coldness of a system at its initial state.
Symbol: Ti
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
ln
The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.
Syntax: ln(Number)

Other Formulas to find Entropy Change Constant Pressure

​Go Entropy Change in Isobaric Processin Terms of Volume
δspres=mgasCpmln(VfVi)

Other formulas in Entropy Generation category

​Go Specific Heat Capacity at Constant Pressure using Adiabatic Index
Cp=γ[R]γ-1
​Go Entropy Change for Isochoric Process given Pressures
δsvol=mgasCvsln(PfPi)
​Go Entropy Change for Isothermal Process given Volumes
ΔS=mgas[R]ln(VfVi)
​Go Entropy Change for Isochoric Process given Temperature
δsvol=mgasCvsln(TfTi)

How to Evaluate Entropy Change in Isobaric Process given Temperature?

Entropy Change in Isobaric Process given Temperature evaluator uses Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Temperature/Initial Temperature) to evaluate the Entropy Change Constant Pressure, Entropy Change in Isobaric Process given Temperature formula is defined as a measure of the change in entropy of a gas during an isobaric process, reflecting the relationship between temperature and the amount of heat transferred at constant pressure. Entropy Change Constant Pressure is denoted by δspres symbol.

How to evaluate Entropy Change in Isobaric Process given Temperature using this online evaluator? To use this online evaluator for Entropy Change in Isobaric Process given Temperature, enter Mass of Gas (mgas), Molar Specific Heat Capacity at Constant Pressure (Cpm), Final Temperature (Tf) & Initial Temperature (Ti) and hit the calculate button.

FAQs on Entropy Change in Isobaric Process given Temperature

What is the formula to find Entropy Change in Isobaric Process given Temperature?
The formula of Entropy Change in Isobaric Process given Temperature is expressed as Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Temperature/Initial Temperature). Here is an example- 30.06876 = 2*122*ln(345/305).
How to calculate Entropy Change in Isobaric Process given Temperature?
With Mass of Gas (mgas), Molar Specific Heat Capacity at Constant Pressure (Cpm), Final Temperature (Tf) & Initial Temperature (Ti) we can find Entropy Change in Isobaric Process given Temperature using the formula - Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Temperature/Initial Temperature). This formula also uses Natural Logarithm (ln) function(s).
What are the other ways to Calculate Entropy Change Constant Pressure?
Here are the different ways to Calculate Entropy Change Constant Pressure-
  • Entropy Change Constant Pressure=Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Volume of System/Initial Volume of System)OpenImg
Can the Entropy Change in Isobaric Process given Temperature be negative?
Yes, the Entropy Change in Isobaric Process given Temperature, measured in Specific Entropy can be negative.
Which unit is used to measure Entropy Change in Isobaric Process given Temperature?
Entropy Change in Isobaric Process given Temperature is usually measured using the Joule per Kilogram K[J/kg*K] for Specific Entropy. Calorie per Gram per Celcius[J/kg*K], Joule per Kilogram per Celcius[J/kg*K], Kilojoule per Kilogram per Celcius[J/kg*K] are the few other units in which Entropy Change in Isobaric Process given Temperature can be measured.
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