Suppose a planet has an atmosphere of pure ammonia at 0.0 °C. What is the rms speed of the ammonia molecules?
Step 1 of 2:
Our aim is to find the rms speed of pure ammonia.
The molar mass of ammonia M = 17 g/mol = 0.017 kg/mol
The temperature T = 0.0 °C = 273 K
The gas constant R = 8.314 J/mol.K