Why is it possible to see yourself in an object that reflects light, but not in one that scatters light?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

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

What is a subatomic particle with a negative charge and very little mass?