Is in een serieketen de spanning over de verschillende lampjes altijd dezelfde?

Will you chech and finish these for me, because i am stumped with them.

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

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