A nitrogen molecule travels at about 505 m/s at room temperature. Find the velocity of a helium atom at the same temperature.

What are several ways to reduce the effect of friction

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (

An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water