What volume of oxygen gas is needed to react with 4dm^3 of C_(3)H_(8)+5O_(2)arrow 3CO_(2)+4H_(2)O propane with complete combustion, with the volume of all gases measured at the same temperature and pressure? __

## Step 1: Identify the balanced chemical equation### The balanced chemical equation is given as: This indicates the stoichiometric relationship between propane and oxygen.## Step 2: Determine the volume ratio from the balanced equation### According to the balanced equation, 1 volume of propane ( ) reacts with 5 volumes of oxygen ( ).## Step 3: Calculate the required volume of oxygen### Given that 4 of propane is used, and using the volume ratio from the balanced equation: