Ethanol at 1 atm and 30°Cexists as a liquidin a piston-cylinder device. Its state is changed to avapor at 1 atm and 90°C. Calculate the following:

a) with raising ethanol as a liquid to its boiling point and theenthalpy change associated with transforming ethanol to a vapor at 1 atm and 90°C.

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.