Guided Practice: VII. Give the symbol and number of protons in one atom of:
Lithium
Bromine
Iron
Copper
Oxygen
Mercur
y
Krypton
Helium
VIII.
Give the symbol and number of electrons in a neutral atom of:
Uranium
Chlorine
Boron
lodine

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