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OpenStudy (anonymous):
Write “yes” or “no” on the equations below if the chemical equation is balanced or not. 1. 2H2 + O2 ---> 2H2O 2. S8 + 12O2 ---> 8SO3 3. HgO ---> Hg + O2 4. Zn + HCl ---> ZnCl2 + H2 5. 2Na + 2H2O ---> 2NaOH + H2 6. 2Al + 3FeO ---> Al2O3 + 3Fe 7. 4Si2H3 + 11O2 ---> 8SiO2 + 6H2O 8. Fe + O2 ---> Fe2O3 9. 2C7H6O2 + 15O2 ---> 14CO2 + 6H2O 10. 4FeS2 + 11O2 ---> 2Fe2O3 + 8SO2 11. Fe2O3 + H2 ---> Fe + H2O 12. 2K + 2Br2 ---> 2KBr 13. 2C2H2 + 5O2 ---> 4CO2 + 2H2O 14. 2H2O2 ---> 2H2O + O2 15. C7H16 + 11O2 ---> 7CO2 + 8H2O
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OpenStudy (anonymous):
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