What is the measure if how much space an object takes up? A. Mass B. Density C. Weight D. Volume

What is the percent by mass of oxygen in fe2o3

What statement goes against the kinetic theory of gases

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added