Heat Transfer at Constant Pressure Calculator

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✖Mass of Gas is the mass on or by which the work is done.ⓘ Mass of Gas [m_gas]			+10% -10%
✖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.ⓘ Molar Specific Heat Capacity at Constant Pressure [C_{p molar}]			+10% -10%
✖Final Temperature is the measure of hotness or coldness of a system at its final state.ⓘ Final Temperature [T_f]			+10% -10%
✖Initial Temperature is the measure of hotness or coldness of a system at its initial state.ⓘ Initial Temperature [T_i]			+10% -10%

✖Heat transfer is the amount of heat that is transferred per unit weight.ⓘ Heat Transfer at Constant Pressure [Q_{per unit}]

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Formula

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Heat Transfer at Constant Pressure

Formula

`"Q"_{"per unit"} = "m"_{"gas"}*"C"_{"p molar"}*("T"_{"f"}-"T"_{"i"})`

Example

`"9.76kJ/kg"="2kg"*"122J/K*mol"*("345K"-"305K")`

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Heat Transfer at Constant Pressure Solution

STEP 0: Pre-Calculation Summary

Formula Used

Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature)
Q_{per unit} = m_gas*C_{p molar}*(T_f-T_i)
This formula uses 5 Variables

Variables Used

Heat Transfer - (Measured in Joule per Kilogram) - Heat transfer is the amount of heat that is transferred per unit weight.
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 Pressure - (Measured in Joule Per Kelvin Per Mole) - 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.
Final Temperature - (Measured in Kelvin) - Final Temperature is the measure of hotness or coldness of a system at its final state.
Initial Temperature - (Measured in Kelvin) - Initial Temperature is the measure of hotness or coldness of a system at its initial state.

STEP 1: Convert Input(s) to Base Unit

Mass of Gas: 2 Kilogram --> 2 Kilogram No Conversion Required
Molar Specific Heat Capacity at Constant Pressure: 122 Joule Per Kelvin Per Mole --> 122 Joule Per Kelvin Per Mole No Conversion Required
Final Temperature: 345 Kelvin --> 345 Kelvin No Conversion Required
Initial Temperature: 305 Kelvin --> 305 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_{per unit} = m_gas*C_{p molar}*(T_f-T_i) --> 2*122*(345-305)

Evaluating ... ...

Q_{per unit} = 9760

STEP 3: Convert Result to Output's Unit

9760 Joule per Kilogram -->9.76 Kilojoule per Kilogram (Check conversion here)

FINAL ANSWER

9.76 Kilojoule per Kilogram <-- Heat Transfer

(Calculation completed in 00.004 seconds)

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Created by Rushi Shah

K J Somaiya College of Engineering (K J Somaiya), Mumbai

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Indian Institute of Technology (IIT), Mumbai

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< 12 Thermodynamics Factor Calculators

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)

Specific Heat Capacity at Constant Pressure using Adiabatic Index

Go Specific Heat Capacity at Constant Pressure = (Heat Capacity Ratio*[R])/(Heat Capacity Ratio-1)

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

< 17 Thermal Parameters Calculators

Specific Heat of Gas Mixture

Go Specific Heat of Gas Mixture = (Number of Moles of Gas 1*Specific Heat Capacity of Gas 1 at Constant Volume+Number of Moles of Gas 2*Specific Heat Capacity of Gas 2 at Constant Volume)/(Number of Moles of Gas 1+Number of Moles of Gas 2)

Heat Transfer at Constant Pressure

Go Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature)

Thermal Stress of Material

Go Thermal Stress = (Coefficient of Linear Thermal Expansion*Young's Modulus*Temperature Change)/(Initial Length)

Change in Potential Energy

Go Change in Potential Energy = Mass*[g]*(Height of Object at Point 2-Height of Object at Point 1)

Saturated Mixture Specific Enthalpy

Go Saturated Mixture Specific Enthalpy = Fluid Specific Enthalpy+Vapour Quality*Latent Heat of Vaporization

Specific Heat at Constant Volume

Go Molar Specific Heat Capacity at Constant Volume = Heat Change/(Number of Moles*Temperature Change)

Thermal Expansion

Go Coefficient of Linear Thermal Expansion = Change in Length/(Initial Length*Temperature Change)

Change in Kinetic Energy

Go Change in Kinetic Energy = 1/2*Mass*(Final Velocity at Point 2^2-Final Velocity at Point 1^2)

Ratio of Specific Heat

Go Specific Heat Ratio = Molar Specific Heat Capacity at Constant Pressure/Molar Specific Heat Capacity at Constant Volume

Specific Heat Capacity at Constant Pressure

Go Molar Specific Heat Capacity at Constant Pressure = [R]+Molar Specific Heat Capacity at Constant Volume

Total Energy of System

Go Total Energy of System = Potential Energy+Kinetic Energy+Internal Energy

Sensible Heat Factor

Go Sensible Heat Factor = Sensible Heat/(Sensible Heat+Latent Heat)

Specific Heat Ratio

Go Specific Heat Ratio Dynamic = Heat Capacity Constant Pressure/Heat Capacity Constant Volume

Specific Heat

Go Specific Heat = Heat*Mass*Temperature Change

Stefan Boltzmann Law

Go Black-Body Radiant Emittance = [Stefan-BoltZ]*Temperature^(4)

Thermal Capacity

Go Thermal Capacity = Mass*Specific Heat

Latent Heat

Go Latent Heat = Heat/Mass

Heat Transfer at Constant Pressure Formula

Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature)
Q_{per unit} = m_gas*C_{p molar}*(T_f-T_i)

What is Heat transfer at Constant pressure?

Heat transfer at constant pressure is an isobaric process. In this process, the volume and temperature of the system change depending on the rate of heat transfer. Since, there is a change in it's volume, therefore the heat supplied is utilised to increase the internal enegy of the gas and for doing some external work.

How to Calculate Heat Transfer at Constant Pressure?

Heat Transfer at Constant Pressure calculator uses Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature) to calculate the Heat Transfer, Heat transfer at constant pressure is defined as the process in which the molecules are moved from the region of higher temperature to lower temperature. Heat Transfer is denoted by Q_{per unit} symbol.

How to calculate Heat Transfer at Constant Pressure using this online calculator? To use this online calculator for Heat Transfer at Constant Pressure, enter Mass of Gas (m_gas), Molar Specific Heat Capacity at Constant Pressure (C_{p molar}), Final Temperature (T_f) & Initial Temperature (T_i) and hit the calculate button. Here is how the Heat Transfer at Constant Pressure calculation can be explained with given input values -> 0.00976 = 2*122*(345-305).

FAQ

What is Heat Transfer at Constant Pressure?

Heat transfer at constant pressure is defined as the process in which the molecules are moved from the region of higher temperature to lower temperature and is represented as Q_{per unit} = m_gas*C_{p molar}*(T_f-T_i) or Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature). Mass of Gas is the mass on or by which the work is done, 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, Final Temperature is the measure of hotness or coldness of a system at its final state & Initial Temperature is the measure of hotness or coldness of a system at its initial state.

How to calculate Heat Transfer at Constant Pressure?

Heat transfer at constant pressure is defined as the process in which the molecules are moved from the region of higher temperature to lower temperature is calculated using Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature). To calculate Heat Transfer at Constant Pressure, you need Mass of Gas (m_gas), Molar Specific Heat Capacity at Constant Pressure (C_{p molar}), Final Temperature (T_f) & Initial Temperature (T_i). With our tool, you need to enter the respective value for Mass of Gas, Molar Specific Heat Capacity at Constant Pressure, Final Temperature & Initial Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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