7. Gases

Root Mean Square Speed

Multiple Choice
Determine which gas would have a root mean square speed of 515.59 m/s at 405 K.
Multiple Choice
The root mean square speed of gas molecules is 283.0 m/s at a given temperature T when the recorded molar mass is 42.0 g/mol. What would be the root mean square speed for a gas with a molar mass of 152.0 g/mol?
Multiple Choice
Calculate the root mean square velocity of nitrogen molecules at 20.0℃.
Multiple Choice
Calculate the root mean square velocity in m/s of dinitrogen pentoxide gas at 99.5 °C, given that the molar mass of dinitrogen pentoxide is 108 g/mol.
Multiple Choice
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)
Multiple Choice
Calculate the root mean square speed of gaseous krypton atoms at 27 °C. Given that the molar mass of krypton is 83.8 g/mol, which of the following is the correct root mean square speed?
Multiple Choice
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)
Multiple Choice
Which of the following gases has the highest root-mean-square speed at 252 K?
Multiple Choice
The root-mean-square speed of CO at 113°C is approximately ________ m/s.
Multiple Choice
What is the root-mean-square speed of a carbon monoxide molecule at 27°C?
Multiple Choice
Which of the following gases has the highest root mean square speed at 400 K?
Multiple Choice
Which of the following gases has the highest root mean square speed at 400 K?