Question

1.The New River Gorge bridge in West Virginia is a 518 m long steel arch. How much will its length change between temperature extremes -17°C and 30°C?
___ cm

2.Gas is confined in a tank at a pressure of 11.0 atm and a temperature of 15.0°C. If half of the gas is withdrawn and the temperature is raised to 63.0°C, what is the new pressure in the tank?
___ atm

3. A weather balloon is designed to expand to a maximum radius of 21 m when in flight at its working altitude, where the air pressure is 0.030 atm and the temperature is 200 K. If the balloon is filled at atmospheric pressure and 340 K, what is its radius at lift-off?
___ m

Answer 1