Entropy Change for Isochoric Process given Pressures Solution

STEP 0: Pre-Calculation Summary
Formula Used
Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System)
ΔSCV = mgas*Cv molar*ln(Pf/Pi)
This formula uses 1 Functions, 5 Variables
Functions Used
ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)
Variables Used
Entropy Change Constant Volume - (Measured in Joule per Kilogram K) - Entropy change constant volume is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work.
Mass of Gas - (Measured in Kilogram) - Mass of Gas is the mass on or by which the work is done.
Molar Specific Heat Capacity at Constant Volume - (Measured in Joule Per Kelvin Per Mole) - Molar Specific Heat Capacity at Constant Volume, (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 volume.
Final Pressure of System - (Measured in Pascal) - Final Pressure of System is the total final pressure exerted by the molecules inside the system.
Initial Pressure of System - (Measured in Pascal) - Initial Pressure of System is the total initial pressure exerted by the molecules inside the system.
STEP 1: Convert Input(s) to Base Unit
Mass of Gas: 2 Kilogram --> 2 Kilogram No Conversion Required
Molar Specific Heat Capacity at Constant Volume: 103 Joule Per Kelvin Per Mole --> 103 Joule Per Kelvin Per Mole No Conversion Required
Final Pressure of System: 160000 Pascal --> 160000 Pascal No Conversion Required
Initial Pressure of System: 85000 Pascal --> 85000 Pascal No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ΔSCV = mgas*Cv molar*ln(Pf/Pi) --> 2*103*ln(160000/85000)
Evaluating ... ...
ΔSCV = 130.299647101163
STEP 3: Convert Result to Output's Unit
130.299647101163 Joule per Kilogram K --> No Conversion Required
FINAL ANSWER
130.299647101163 130.2996 Joule per Kilogram K <-- Entropy Change Constant Volume
(Calculation completed in 00.004 seconds)

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K J Somaiya College of Engineering (K J Somaiya), Mumbai
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Entropy Change in Isobaric Processin Terms of Volume
Go Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Volume of System/Initial Volume of System)
Entropy Change for Isochoric Process given Pressures
Go Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System)
Entropy Change in Isobaric Process given Temperature
Go Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Temperature/Initial Temperature)
Entropy Change for Isochoric Process given Temperature
Go Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Temperature/Initial Temperature)
Work Done in Adiabatic Process given Adiabatic Index
Go Work = (Mass of Gas*[R]*(Initial Temperature-Final Temperature))/(Heat Capacity Ratio-1)
Entropy Change for Isothermal Process given Volumes
Go Change in Entropy = Mass of Gas*[R]*ln(Final Volume of System/Initial Volume of System)
Heat Transfer at Constant Pressure
Go Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature)
Isobaric Work for given Mass and Temperatures
Go Isobaric Work = Amount of Gaseous Substance in Moles*[R]*(Final Temperature-Initial Temperature)
Isobaric Work for given Pressure and Volumes
Go Isobaric Work = Absolute Pressure*(Final Volume of System-Initial Volume of System)
Specific Heat Capacity at Constant Pressure
Go Molar Specific Heat Capacity at Constant Pressure = [R]+Molar Specific Heat Capacity at Constant Volume
Mass Flow Rate in Steady Flow
Go Mass Flow Rate = Cross Sectional Area*Fluid Velocity/Specific Volume
Equipment Total Cooling Load
Go Total Cooling Load = Sensible Cooling Load*Latent Factor

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Entropy Change in Isobaric Processin Terms of Volume
Go Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Volume of System/Initial Volume of System)
Entropy Change for Isochoric Process given Pressures
Go Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System)
Entropy Change in Isobaric Process given Temperature
Go Entropy Change Constant Pressure = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*ln(Final Temperature/Initial Temperature)
Entropy Change for Isochoric Process given Temperature
Go Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Temperature/Initial Temperature)
Work Done in Adiabatic Process given Adiabatic Index
Go Work = (Mass of Gas*[R]*(Initial Temperature-Final Temperature))/(Heat Capacity Ratio-1)
Entropy Change for Isothermal Process given Volumes
Go Change in Entropy = Mass of Gas*[R]*ln(Final Volume of System/Initial Volume of System)
Heat Transfer at Constant Pressure
Go Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature)
Isobaric Work for given Mass and Temperatures
Go Isobaric Work = Amount of Gaseous Substance in Moles*[R]*(Final Temperature-Initial Temperature)
Isobaric Work for given Pressure and Volumes
Go Isobaric Work = Absolute Pressure*(Final Volume of System-Initial Volume of System)
Specific Heat Capacity at Constant Pressure
Go Molar Specific Heat Capacity at Constant Pressure = [R]+Molar Specific Heat Capacity at Constant Volume
Mass Flow Rate in Steady Flow
Go Mass Flow Rate = Cross Sectional Area*Fluid Velocity/Specific Volume

Entropy Change for Isochoric Process given Pressures Formula

Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System)
ΔSCV = mgas*Cv molar*ln(Pf/Pi)

What is entropy change?

Entropy, S, is a state function and is a measure of disorder or randomness. A positive (+) entropy change means an increase in disorder. The universe tends toward increased entropy.

How to Calculate Entropy Change for Isochoric Process given Pressures?

Entropy Change for Isochoric Process given Pressures calculator uses Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System) to calculate the Entropy Change Constant Volume, Entropy change for Isochoric Process given Pressures is defined as the change in the state of disorder of a thermodynamic system that is associated with the conversion of heat or enthalpy into work. Entropy Change Constant Volume is denoted by ΔSCV symbol.

How to calculate Entropy Change for Isochoric Process given Pressures using this online calculator? To use this online calculator for Entropy Change for Isochoric Process given Pressures, enter Mass of Gas (mgas), Molar Specific Heat Capacity at Constant Volume (Cv molar), Final Pressure of System (Pf) & Initial Pressure of System (Pi) and hit the calculate button. Here is how the Entropy Change for Isochoric Process given Pressures calculation can be explained with given input values -> 130.2996 = 2*103*ln(160000/85000).

FAQ

What is Entropy Change for Isochoric Process given Pressures?
Entropy change for Isochoric Process given Pressures is defined as the change in the state of disorder of a thermodynamic system that is associated with the conversion of heat or enthalpy into work and is represented as ΔSCV = mgas*Cv molar*ln(Pf/Pi) or Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System). Mass of Gas is the mass on or by which the work is done, Molar Specific Heat Capacity at Constant Volume, (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 volume, Final Pressure of System is the total final pressure exerted by the molecules inside the system & Initial Pressure of System is the total initial pressure exerted by the molecules inside the system.
How to calculate Entropy Change for Isochoric Process given Pressures?
Entropy change for Isochoric Process given Pressures is defined as the change in the state of disorder of a thermodynamic system that is associated with the conversion of heat or enthalpy into work is calculated using Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Pressure of System/Initial Pressure of System). To calculate Entropy Change for Isochoric Process given Pressures, you need Mass of Gas (mgas), Molar Specific Heat Capacity at Constant Volume (Cv molar), Final Pressure of System (Pf) & Initial Pressure of System (Pi). With our tool, you need to enter the respective value for Mass of Gas, Molar Specific Heat Capacity at Constant Volume, Final Pressure of System & Initial Pressure of System 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 Entropy Change Constant Volume?
In this formula, Entropy Change Constant Volume uses Mass of Gas, Molar Specific Heat Capacity at Constant Volume, Final Pressure of System & Initial Pressure of System. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Temperature/Initial Temperature)
  • Entropy Change Constant Volume = Mass of Gas*Molar Specific Heat Capacity at Constant Volume*ln(Final Temperature/Initial Temperature)
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