Use the chemical equation to find the answers. BaSO4 + H2SO4Ba(HSO4)2 Identify how many oxygen atoms are in the product. ldentify how many oxygen atoms are in the reactant.

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Properties seen when one one substance changes to another are known as properties