True or false products are located in the left side of a chemical equation?

In a copper wire, a temperature increase is the result of which of the following

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.)

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o