I need an explanation too, please.
...
Answers: 3
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 13:20
Arrange the images in order to show how lake-effect snow occurs.
Answers: 2
History, 26.05.2020 23:58
Social Studies, 26.05.2020 23:58
English, 26.05.2020 23:58
History, 26.05.2020 23:58
History, 26.05.2020 23:58
Biology, 26.05.2020 23:58
Mathematics, 26.05.2020 23:58
Mathematics, 26.05.2020 23:58
Mathematics, 26.05.2020 23:58
Advanced Placement (AP), 26.05.2020 23:58
Social Studies, 26.05.2020 23:58
Mathematics, 26.05.2020 23:58