At least the Question Blank number of staff members set by your state's Question Blank rules must be present at all times. Failure to Question Blank may result in the center's license being Question Blank or a Question Blank indicating the center was not in Question Blank .

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.

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?

What are the dimensions of the cross section that passes through the points a, f, g, and d?