Final answer:
To calculate the amount of heat evolved when 3.40 g of cyclopentene is combusted, you need to find the balanced thermochemical equation for the combustion of cyclopentene and use stoichiometry to calculate the heat evolved.
Step-by-step explanation:
To calculate the amount of heat evolved when 3.40 g of cyclopentene is combusted, we need to use the balanced thermochemical equation for the combustion of cyclopentene. Unfortunately, the equation for the combustion of cyclopentene is not provided in the question.
You can try finding the balanced equation for the combustion of cyclopentene in your textbook or online resources. Once you have the balanced equation, you can use stoichiometry to calculate the amount of heat evolved by using the given mass of cyclopentene.