A42.3 mol gas sample takes up 25.2 liters at 25oc. what was the pressure, in atm, of the original sample

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.

Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese