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Across 1. ________ are the ending result of what is produced. 3. Stands for the amount of molecules 6. law of conservation of ______ says we need to have balanced chemical equations 8. 2SO^2 + 1 O^2 → __ SO^3 10. 1 SnO^2 + 2 H^2 → 1 Sn + __ H^2O 11. __Fe+C----->FeC 12. ___CO + 17 H^2 → 1 C^8H^18 + 8 H^2O 15. ___ NH^3 + 5 O^2 → 4 NO + 6 H^2O 16. ________ are substances that used to create a chemical reaction, 18. 1 CH^4 + 2 O^2 --> ___CO^2 + 2 H^2O 19. 2FeCl^3 + ___MgO ---> Fe^2O^3 + 3MgCl^2

Down 2. Is a _____ reaction: Al^2O^3---> Al+O^2 4. chemical ________ summaries everything needed to carry out a chemical reaction. 5. ________ atoms is the second step to balancing chemical equation 7. Stands for the amount of atoms in a molecule 8. 2 AgI + 1 Na^2S → 1 Ag^2S + ___ NaI 9. 1 C^2H^6O + __ O^2 → 2 CO^2 + 3 H^2O 13. 1Au^2S+ 3 H^2---->2 Au+ ___H^2S 14. chemical _____ is the combinations of symbols that represents the elements in a compound. 17. ___H^2 + O^2 → 7 H^2O