If its density is 34 g/ml, what is the mass of 120.0 ml of the liquid?

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

  the mississippians were considered to be  horticulturalists, which means they were

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