What are the costs and costs
of using door mat​

In apex! a liquid heated beyond a certain temperature becomes

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

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