The Ideal Gas Law is a widely used equation of state for gases that describes the relationship between the pressure, volume, temperature, and number of moles of a gas. The equation is written as:
PV = nRT
where:
P is the pressure of the gas, in Pascals (Pa) V is the volume of the gas, in liters (L) n is the number of moles of gas present R is the ideal gas constant, which is 8.31 J/mol*K T is the temperature of the gas, in Kelvins (K)
The Ideal Gas Law is based on the assumptions that gases have no volume and that the interactions between gas particles are negligible. These assumptions are generally not true for real gases, but the Ideal Gas Law is still a useful approximation for many gases under certain conditions.
One key application of the Ideal Gas Law is in the study of thermodynamics, where it is used to calculate the work done by or on a gas during a process. It is also used in many other fields, such as chemistry, physics, and engineering, to understand and predict the behavior of gases under different conditions.
The Ideal Gas Law is a useful tool for understanding the behavior of gases, but it is important to remember that it is only an approximation and may not accurately describe the behavior of all gases under all conditions.
Here is a simple calculator that can be used to solve for any of the four variables in the Ideal Gas Law equation:
PV = nRT
where:
P is the pressure of the gas, in Pascals (Pa) V is the volume of the gas, in liters (L) n is the number of moles of gas present R is the ideal gas constant, which is 8.31 J/mol*K T is the temperature of the gas, in Kelvins (K)
To use the calculator, simply enter values for three of the variables and press “Calculate” to solve for the fourth.
Pressure (P): ____________ Pa
Volume (V): ____________ L
Number of moles (n): ____________ mol
Temperature (T): ____________ K
Result: ____________
Press Calculate to solve for the missing variable.