7. Gases

Calculate the root mean square velocity of carbon monoxide (CO) at 316 K. (Use R = 8.314 J/mol·K and the molar mass of CO = 28.01 g/mol)

At 25 °C, which of the following correctly arranges the gases He, O2, CO2, and N2 in order of increasing average molecular speed?

At what temperature (in K) does hydrogen gas (H_2) have a root mean square speed of 745 m/s?

If the root mean square (rms) speed of the molecules in a gas is to be tripled, to what temperature must the gas be raised, assuming the initial temperature is T?

What is the root mean square (rms) speed of a nitrogen molecule (N_2, molar mass = 28.01 g/mol) at 298 K? (Use R = 8.314 J/mol·K)

A sample of neon gas has a root mean square (rms) speed of 500.0 m/s. What is the temperature (in kelvin) of the sample? (Molar mass of neon = 20.18 g/mol)

What is the root mean square speed (in meters per second) of a nitrogen molecule (N_2) at 50.0 °C? (Molar mass of N_2 = 28.0 g/mol)

Calculate the root mean square velocity of gaseous xenon atoms at 24 °C. (Use R = 8.314 J/mol·K and the molar mass of xenon = 131.29 g/mol)

At what temperature does neon (m = 20 u) have a root mean square (rms) speed of 750 m/s?

The root-mean-square speed of CO at 113°C is approximately ________ m/s.

At 25 °C, which of the following gases has molecules with the greatest average molecular speed?

What is the root mean square (rms) speed of O_2 molecules at 375 K? (Use R = 8.314 J mol^{-1} K^{-1}, molar mass of O_2 = 32.0 g/mol, and express your answer in m/s.)

Which of the following gases has the lowest root mean square speed at 25°C?

Which of the following gases has the highest root mean square speed at 400 K?

Which of the following gases has a root mean square speed of 412 m/s at 191 K?