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Pressure given Enthalpy and Internal Energy Calculator

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✖Change in Enthalpy in the System is the thermodynamic quantity equivalent to the total difference between the heat content of a system.ⓘ Change in Enthalpy in the System [dH]			+10% -10%
✖Change in Internal Energy of the System is defined as all the energy within a given system, including the kinetic energy of molecules and the energy stored in all of the chemical bonds .ⓘ Change in Internal Energy of the System [dU_c]			+10% -10%
✖Small Volume Change is the indicator that shows whether or not a volume trend is developing in either an up or down direction.ⓘ Small Volume Change [dV_small]			+10% -10%

✖Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.ⓘ Pressure given Enthalpy and Internal Energy [p]

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Pressure given Enthalpy and Internal Energy Solution

STEP 0: Pre-Calculation Summary

Formula Used

Pressure = (Change in Enthalpy in the System-Change in Internal Energy of the System)/Small Volume Change
p = (dH-dU_c)/dV_small
This formula uses 4 Variables

Variables Used

Pressure - (Measured in Pascal) - Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
Change in Enthalpy in the System - (Measured in Joule) - Change in Enthalpy in the System is the thermodynamic quantity equivalent to the total difference between the heat content of a system.
Change in Internal Energy of the System - (Measured in Joule) - Change in Internal Energy of the System is defined as all the energy within a given system, including the kinetic energy of molecules and the energy stored in all of the chemical bonds .
Small Volume Change - (Measured in Cubic Meter) - Small Volume Change is the indicator that shows whether or not a volume trend is developing in either an up or down direction.

STEP 1: Convert Input(s) to Base Unit

Change in Enthalpy in the System: 2000 Joule --> 2000 Joule No Conversion Required
Change in Internal Energy of the System: 500 Joule --> 500 Joule No Conversion Required
Small Volume Change: 0.2 Cubic Meter --> 0.2 Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

p = (dH-dU_c)/dV_small --> (2000-500)/0.2

Evaluating ... ...

p = 7500

STEP 3: Convert Result to Output's Unit

7500 Pascal --> No Conversion Required

FINAL ANSWER

7500 Pascal <-- Pressure

(Calculation completed in 00.004 seconds)

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< First Order Thermodynamics Calculators

Heat Energy given Internal Energy

LaTeX Go Change in Heat Energy = Internal Energy of the System+(Work Done given IE)

Internal Energy of System

LaTeX Go Internal Energy of the System = Change in Heat Energy-(Work Done given IE)

Work Done given Internal Energy

LaTeX Go Work Done given IE = Change in Heat Energy-Internal Energy of the System

Work Done in Irreversible Process

LaTeX Go Irreversible Work Done = -External Pressure*Volume change

Pressure given Enthalpy and Internal Energy Formula

LaTeX Go

Pressure = (Change in Enthalpy in the System-Change in Internal Energy of the System)/Small Volume Change
p = (dH-dU_c)/dV_small

What is difference between enthalpy and heat?

Heat is a transfer of energy due to a temperature difference. Enthalpy is the change in the amount of heat in a system at constant pressure. Remember that for these terms, you can only use heat and enthalpy interchangeably if there is no work being done to the system.

How to Calculate Pressure given Enthalpy and Internal Energy?

Pressure given Enthalpy and Internal Energy calculator uses Pressure = (Change in Enthalpy in the System-Change in Internal Energy of the System)/Small Volume Change to calculate the Pressure, Pressure given Enthalpy and Internal Energy formula is defined as is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Pressure is denoted by p symbol.

How to calculate Pressure given Enthalpy and Internal Energy using this online calculator? To use this online calculator for Pressure given Enthalpy and Internal Energy, enter Change in Enthalpy in the System (dH), Change in Internal Energy of the System (dU_c) & Small Volume Change (dV_small) and hit the calculate button. Here is how the Pressure given Enthalpy and Internal Energy calculation can be explained with given input values -> 75 = (2000-500)/0.2.

FAQ

What is Pressure given Enthalpy and Internal Energy?

Pressure given Enthalpy and Internal Energy formula is defined as is the force applied perpendicular to the surface of an object per unit area over which that force is distributed and is represented as p = (dH-dU_c)/dV_small or Pressure = (Change in Enthalpy in the System-Change in Internal Energy of the System)/Small Volume Change. Change in Enthalpy in the System is the thermodynamic quantity equivalent to the total difference between the heat content of a system, Change in Internal Energy of the System is defined as all the energy within a given system, including the kinetic energy of molecules and the energy stored in all of the chemical bonds & Small Volume Change is the indicator that shows whether or not a volume trend is developing in either an up or down direction.

How to calculate Pressure given Enthalpy and Internal Energy?

Pressure given Enthalpy and Internal Energy formula is defined as is the force applied perpendicular to the surface of an object per unit area over which that force is distributed is calculated using Pressure = (Change in Enthalpy in the System-Change in Internal Energy of the System)/Small Volume Change. To calculate Pressure given Enthalpy and Internal Energy, you need Change in Enthalpy in the System (dH), Change in Internal Energy of the System (dU_c) & Small Volume Change (dV_small). With our tool, you need to enter the respective value for Change in Enthalpy in the System, Change in Internal Energy of the System & Small Volume Change 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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