Across
- 4. everything in the universe that is not the system
- 6. name of compound NaCl
- 9. compound with either same empirical formula or the simple whole-number multiple of its empirical formula
- 11. compound with the lowest whole-number ratio of atoms or moles
- 13. representative particles of a substance- 6.022 x 10^23 particles
- 17. How many moles are in 176 grams of calcium carbonate (CaCO₃)
- 18. total energy contained in a system
- 20. type of reaction where a single compound is broken into two or more products
Down
- 1. measure of the amount of solute that is dissolved in a given quantity of solvent
- 2. a compound composed of hydrogen and carbon
- 3. part of the universe on which you focus your attention
- 5. substances present after reaction
- 7. reactant that determines the amount of product that can be produced
- 8. bonds are broken when molecules collide with energy
- 10. substances present before reaction
- 12. calculation of quantities in chemical reactions
- 14. number of moles of solute dissolved in 1 liter of solution
- 15. ratio of the actual theoretical yield of a reaction
- 16. used to balance chemical equations
- 19. reactions that release net energy into the surroundings