A fan is installed in a 3.5 m^3 sealed box containing air at 101 kPa and 20 C. The exterior of the box is perfectly insulated. The fan does 250 W of work in stirring the air and operates for 1 h. Find the final temperature and pressure of the air. Ignore the temperature change of any fan parts.
A fan is installed in a 3.5 m^3 sealed box containing air at 101 kPa and 20 C. The exterior of the box is perfectly insulated. The fan does 250 W of work in stirring the air and operates for 1 h. Find the final temperature and pressure of the air. Ignore the temperature change of any fan parts.