An operator in a hot-air balloon activates a burner and the balloon gains altitude. Briefly describe the thermodynamics of this event in a qualitative way, identifying any heat or work done (and their signs), as well as any processes (be sure to state whether a process was done reversibly or irreversibly). If you wish and find it necessary, you may use reasonable, simplifying assumptions provided they are clearly stated.

Answer rating: 100% (QA)

When a hot air balloon is heated the air inside the balloon absorbs energy and gets heated up w... View the full answer