Across
- 4. - a figure or symbol
- 7. - a substance takes part in and undergoes change
- 8. and closed system - an open and closed can exchange both energy
- 9. equation - any chemical reaction the absorbs heat from it environment
- 10. reaction- a process that involves rearrangement
- 11. - a substance that increases the ruts of a chemical change
- 12. - cause(a substance)
Down
- 1. - a thing or person the result of an action process
- 2. reaction - A chemical reaction a chemical reaction in which less energy is needed
- 3. - a multiplier factor that measures heat from it environment
- 5. of mass - a principle stating mass cannot be created or destroyed
- 6. equation - the symbolic representation of a chemical equation
