This question is about monomers and polymers.
Compound W is propyl acrylate, which possesses both an alkene functional group and an ester functional group.
The displayed formula of Compound W is shown below:

Describe the observations when Compound W is shaken with bromine water.
Compound W has the molecular formula C6H10O2\text{C}_6\text{H}_{10}\text{O}_2C6H10O2. Write a balanced chemical equation for the complete combustion of Compound W.
Many molecules of Compound W join together to form Polymer P.
What type of polymer is Polymer P?
Polymer P melts when heated. What word is used to describe polymers that melt when heated?