Does candle wax have intermolecular forces???

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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