***Part1: Balance the following chemical equation using thelowest possible whole number coefficients. (Enter coefficients ofone - blanks will be marked incorrect.)
( )CO2 + ( )H2O →( ) CH4 + ( )O2
( )Co(NO3)3 +( ) (NH4)2S → ( )Co2S3 +( ) NH4NO3
( ) NH3 + ( )O2 → ( )NO + ( )H2O
( ) NaCl + ( )H2SO4 →( ) Na2SO4 + ( )HCl
***Part2 : Consider the complete combustion of2.91×10-4 moles ofC6H12O6 with excess oxygen.
A. Balance the following chemicalequation using the lowest possible whole numbercoefficients. (Entercoefficients of one - blanks will be marked incorrect.)
( )C6H12O6 + ( )O2  → ( )CO2+ ()H2O
B. How many moles of water areproduced in this reaction? [ ]
***Part3 : Determine themass of carbon dioxide (in g) produced from the complete combustionof 8.34×10-1 g of C8H14O withexcess oxygen.
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