A balloon has a maximum capacity of 1700m3. On a cool morning (temperature =10•c), some hot-air balloonists start filling their balloon with air until it occupies three-fourths of the maximum possible volume . Then , they turn on the propane burner to heat the fills the balloon to its maximum capacity is

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