Exam 2 Flashcards
1
Q
Chemical change
A
Change that results in new compounds of being formed
2
Q
Conservation of mass
A
is a matter cannot be created or destroyed in a chemical reaction
3
Q
Physical change
A
A change that result in one the outward appearance of a substance being changed
4
Q
Endothermic
A
Reaction heat is absorbed (aufnehmen)
5
Q
Exothermic
A
Heat is giving off at a reaction.
6
Q
Joule
A
The SI unit of energy
7
Q
Kinetic energy
A
The energy of motion
8
Q
Phase
A
Solid,liquid,gas
9
Q
Potential energy
A
Started energy
10
Q
Calorie
A
Energy
