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Chemistry 8 Online
OpenStudy (anonymous):

Can someone help balance these questions?? 1. ____ H2 + ____ O2 --------> ____ H2O 2. ____ SeCl6 + ____ O2 --------> ____ SeO2 + ____ Cl2 3. ____ Mg + ____ Mn2O3 --------> ____ MgO + ____ Mn 4. ____ SiO2 + ____ HF --------> ____ SiF4 + ____ H2O 5. ____ C7H16 + _____ O2 -------> ____ CO2 + ____ H2O

OpenStudy (anonymous):

Can you check my answers?? This is what I got.. 1. __2__ H2 + ____ O2 --------> __2__ H2O 2. __3__ SeCl6 + _3___ O2 --------> __3__ SeO2 + __4__ Cl2 3. __3___ Mg + ____ Mn2O3 --------> _3___ MgO + __2__ Mn 4. ____ SiO2 + _4___ HF --------> ____ SiF4 + _2___ H2O 5. ____ C7H16 + __11___ O2 -------> __7__ CO2 + __8__ H2O

OpenStudy (nechirwan):

1. 2 H2 + O2 -------->2H2O 2. SeCl6 + O2 --------> SeO2 + 3 Cl2 3. 3 Mg + Mn2O3 --------> 3 MgO + 2Mn 4. SiO2 + 4HF --------> SiF4 +2H2O 5. C7H16 + 11 O2 -------> 7 CO2 +8 H2O

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