LstudieAC LstudieAC

24-05-2016
Chemistry

contestada

Please tell me which ones are balanced and unbalanced!

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

Respuesta :

02-12-2016

1. yes
2.yes
3.no
4.no
5.no
6.yes
7.no
8.no
9.yes
10.no
11.no
12.no
13.yes
14.no
15.yes

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