How to convert 2.50mol of libr to g

How manyatoms of mercury are in 1.4214e+1 ml sample

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added