Physics C1S3 - Average speed and models of motion HELP PLS NEED IT SOON

multiply 2kg by latent heat of vap

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

i already answered it by 34/s