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Total Pressure Equation:
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Total pressure in a container refers to the sum of all partial pressures of the gases present. According to Dalton's Law of Partial Pressures, the total pressure exerted by a mixture of non-reacting gases is equal to the sum of the partial pressures of individual gases.
The calculator uses the total pressure equation:
Where:
Explanation: The equation simply sums up all the partial pressures of gases present in the container to determine the total pressure.
Details: Calculating total pressure is essential in various scientific and industrial applications, including chemical reactions, gas mixtures, atmospheric studies, and engineering systems where pressure measurements are critical.
Tips: Enter the partial pressure values separated by commas. All values should be in Pascals (Pa). The calculator will sum all the provided values to give you the total pressure.
Q1: What units should I use for partial pressures?
A: The calculator expects values in Pascals (Pa), but you can convert from other units before entering values.
Q2: Does this work for ideal gases only?
A: Dalton's Law applies specifically to ideal gases, but provides a good approximation for many real gas mixtures at moderate pressures and temperatures.
Q3: What if my gases are reacting with each other?
A: Dalton's Law assumes non-reacting gases. For reacting gases, the partial pressures may change over time due to chemical reactions.
Q4: How accurate is this calculation?
A: The calculation is mathematically exact for the inputs provided. Accuracy depends on the precision of your partial pressure measurements.
Q5: Can I use different pressure units?
A: While the calculator displays results in Pa, you can input values in any consistent unit as long as you interpret the result in that same unit.