CHEM

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