Match these items.

1
.
0 degrees Celsius

amount of matter in object
2
.
chemical property

upward force of a fluid on an object
3
.
buoyancy

fixed shape
4
.
gas

freezing point of water
5
.
mass

expands
6
.
solid

no definite internal order
7
.
crystalline

molecules far apart
8
.
frozen water

fixed internal order
9
.
amorphous

ability to react with another substance

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