SUMMARY
John discusses the chemical changes that occur as propane and oxygen combust to form carbon dioxide and water. Would. Duration 2:10.
VIDEO CHECK QUESTIONS
9.1a Which is cleaner: the combustion of gasoline or the combustion of propane?
9.1b Why can clouds of condensed water vapor can be seen coming from the exhaust of cars on cold days?
9.1c A reaction that absorbs energy is called what?
All video check questions can be downloaded from the EXTRAs menu.





