Question

The rms speed of helium in ms-1 (atomic mass
= 4.0g mol-1) at 400K is
1) 1580 2) 15.8 3) 28
4) 158​

Answer 1

Answer:

here to get an answer to your question ✍️ 1) TUVO ) mass The rms speed of helium in ms-1 (atomic ma = 4.0g mol-l) at 400K is 1) 1580 2) 15.8 3) 28 4) 158.