What is the kinetic energy, in J, of an Ar atom moving at a speed of 650 m/s

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

__can be defined as which velocity changes

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '