Enter the pressure (Pa) and the change in volume (m^3) into the calculator to determine the change in energy (J).
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Pressure Volume Energy (J) Formula
The following equation is used to calculate the change in energy (J).
dE = P * dV
Variables:
- Where dE is the change in energy (J) ((J))
- P is the pressure (Pa)
- dV is the change in volume (m^3)
To calculate the change in energy, multiply the pressure by the change in volume.
How to Calculate Pressure Volume Energy?
The following two example problems outline the steps and information needed in order to calculate the change in energy (J).
Example Problem #1:
- First, determine the pressure (Pa). In this example, the pressure (Pa) is measured to be 10.
- Next, determine the change in volume (m^3). For this problem, the change in volume (m^3) is calculated to be 3.
- Finally, calculate the change in energy (J) using the formula above:
dE = P * dV
Inserting the values from above and solving the equation with the imputed values gives:
dE = 10 * 3 = 30 (J)
Example Problem #2:
Using the same process as example problem 1, we first define the needed variables outlined by the formula. In this case, the values are provide as:
pressure (Pa) = 4
change in volume (m^3) = 10
Entering these values into the formula or calculator above gives us:
dE = 4 * 10 = 40 ((J))
