People in the united states know that water boils at 212 degrees fahrenheit. in europe, people know that water boils at 100 degrees celsius. is the water in the u. s. different than the water in europe? what explains the two different temperatures

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final