Selasa, 11 Mei 2010

Worksheet 8-1 a Balancing Chemical Equations

Balance the following chemical equations.

1.__C2H6(g) + __O2(g) ---> __H2O(g) + __CO2(g)


2. ___O2 + ___C6H12O6 ---> ___H2O + ___CO2


3. ___Br2(g) + __H2O(l) + _SO2(g) ---> _ HBr(aq) + __H2SO4(aq)


4. _____KOH + _____H3PO4 ---> _____K3PO4 + _____H2O


5. ____Mg + _____N2 ---> _____Mg3N

6. _____KNO3(s) ---> _____KNO2(s) + _____O2(g)

7. ____Fe + _____H2SO4 ---> _____Fe2(SO4)3 + _____H2


8. _____MgCO3(s) ---> _____MgO(s) + _____CO2(g)


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