Okay so this is a reaction in baking of the decomposition of sodium bicarbonate (baking soda)

So if there is 52.0 grams of sodium bicarbonate, how many liters of carbon dioxide gas would be produced?

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)