Check my work
solution a has a ph of 4.9 and solution b has a ph of 2.6. which substance has a greater amount of hydrogen ions?
solution a
solution b< < < my answer
both have the same.
there is not enough information to answer this questio

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