A tank contains helium gas at 490 mm Hg, nitrogen gas at 0.75 atm, and neon at 520 torr. What is the total pressure in atm?
Approx. 2 atmospheres.
The gases were quoted with unrealistically different units; the total pressure is the sum of the individual partial pressures of each gas.
And thus.
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To find the total pressure, we need to convert all the pressures to the same units and then sum them up.
1 atm = 760 mm Hg = 760 torr
Pressure of helium gas = 490 mm Hg Pressure of nitrogen gas = 0.75 atm Pressure of neon gas = 520 torr
Now, let's convert the pressure of helium gas and neon gas to atm:
Pressure of helium gas = 490 mm Hg * (1 atm / 760 mm Hg) = 0.645 atm Pressure of neon gas = 520 torr * (1 atm / 760 torr) = 0.684 atm
Now, we sum up all the pressures:
Total pressure = Pressure of helium + Pressure of nitrogen + Pressure of neon Total pressure = 0.645 atm + 0.75 atm + 0.684 atm = 2.079 atm
Therefore, the total pressure in atm is approximately 2.079 atm.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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