Calculate the root mean square velocity, in m/s, of He at -23.0°C. Assume ideal gas behavior.

What is the number of moles in 15.0 g ash3?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !