Calculate the root mean square speed of helium atoms and nitrogen molecules in m/s at 25°C

What is the temperature (in K) of a sample of nitrogen with an root-mean-square velocity of 612.0 m/s The universal gas constant, R=8.3145 J/mol･K.?

Methane CH4 is a gas at room temperature. What is its root mean square velocity

Determine the ratios of (i) the mean speeds, (ii) the mean translational kinetic energies of H2 molecules and Hg atoms at 20 °C.

Determine the root mean square velocity of oxygen gas (in m/s) at a temperature of 190.2 °C.

The partial pressure of the hydrogen gas collected is 0.928 bar. If the total volume of gas collected is 726 mL , what mass of hydrogen gas is collected? The molar mass of hydrogen gas is 2.016 g · mol Express your answer in grams to three significant figures. Πνα ΑΣφ MH2 g

The diameter of a Ne atom is 140 pm. What is the mean free path in nm of 0.5 mol Ne confined in 5 L at 300 K and 9.87 x 104 Pa?

What is the temperature (in K) of a sample of helium with an root-mean-square velocity of 360.0 m/s? The universal gas constant, R=8.3145 J/mol･K.

At what temperature will Ar atoms have the same root–mean–square speed, vRMS, as Ne atoms at 300 K? 600 K, 150 K, or 75 K Under the same conditions of temperature and pressure, if a volume of Ne gas effuses through a barrier in 10.0 min, an equal volume of which gas effuses through the same barrier in 4.5 min? Ar, H2, or He

Calculate the root mean square (rms) average speed of the atoms in a sample of argon gas at 0.20 atm and -73. °C. Round your answer to 3 significant digits. E- 0- X [HO alh