Calculate how fast atoms of oxygen move in air at standard temperature and pressure (STP).
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Calculate how fast atoms of oxygen move in air at standard temperature and pressure (STP).
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- The total translational kinetic energy of the molecules of a sample of gas at 415 K is 17500 J. How many moles n does the sample comprise? mol n = Find the average translational kinetic energy Ky of a single molecule. J KavConsider two containers with the same volume and temperature. The first container is labelled "Dry" and holds "dry" air = a ratio of nitrogen (N2) and oxygen (O2). The second container is labelled "Humid" and holds "moist" air = the SAME ratio of nitrogen and oxygen, but also contains water (H2O) vapor. According to the ideal gas law, if the pressures are equal, the weight of the gas inside the "Dry" container will beWhat is the volume occupied by 1.40 moles of He gas at standard pressure and temperature? 44.8 L 11.2 L 5.60 L 22.4 L 31.4 L
- What is the average (rms) velocity of nitrogen (diatomic) gas molecules at 20 degrees Celsius?The mean free path is the average distance traveled by a particle between collisions with other particles. Calculate the mean free path of air at room temperature, T = 67.0 °F. Air is mostly nitrogen, so assume that the collisions are between moving N₂ molecules. The diameter of N₂ is d = 1.87 × 10−¹0 m and the gas is at atmospheric pressure, P = 101325 Pa. λ = mA bicycle tire has a pressure of 6.80 ✕ 105 N/m2 at a temperature of 19.0°C and contains 2.30 L of gas. What will its pressure be (in Pa) if you let out an amount of air that has a volume of 120 cm3 at atmospheric pressure? Assume tire temperature and volume remain constant. _________Pa