Question

*Medal and fan awarded*
I need help balancing chemical equations.

Answer 1

1. ____ H2 + ____ O2 --------> ____ H2O

2. ____ SeCl6 + ____ O2 --------> ____ SeO2 + ____ Cl2

3. ____ Mg + ____ Mn2O3 --------> ____ MgO + ____ Mn

4. ____ SiO2 + ____ HF --------> ____ SiF4 + ____ H2O

5. ____ C7H16 + _____ O2 -------> ____ CO2 + ____ H2O

Answer 2

1.4 H2 + O2 --------> 2 H2O

2. SeCl6 +3 O2 --------> SeO2 + 3 Cl2
3. 3Mg +Mn2O3 --------> 3MgO + 2 Mn

4. SiO2 + 4HF --------> SiF4 + 2 H2O
5. C7H16 + 11O2 -------> 7CO2 + 8 H2O

Answer 3

Thank you sooooooo much! You are a life safer :)

Answer 4

saver*

Answer 5

yw

Answer 6

2 H2 + O2 -> 2 H2O
SeCl6 + O2 -> SeO2 + 3Cl2
3 Mg + Mn2O3 -> 3 MgO + 2Mn
SiO2 + 4HF -> SiF4 + 2H2O
C7H16 + 11O2 -> 7CO2 + 8H2O

Answer 7

I'm going to close this question now :)