How could gamma rays, for example change something irreversibly

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen