Which is an advantage of conducting an experiment in a laboratory? A.) All experiments can be successfully conducted in a laboratory.
B.) Conditions are not controlled which allow useful variability.
C.) It is a controlled method of data collection.
D.) The results are better than in a field experiment.

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