Question

1) A 64 liter tank of an ideal gas at a constant temperature T= 318 K and a pressure of 276 atm develops a leak. After the leak was discovered, the pressure was reduced to 120 atm. How many moles of the gas escaped?

2) Assume a rectangular strip of a material with an electron density of n=5.8x10²⁰ cm^-3. The strip is 7 mm wide and 0.7 mm thick. A current of 6 A flows through the strip. The Hall voltage is measured to be 1.8 mV

What was the magnetic field B during this measurement? State the magnetic flux density (B) in T units.

Answer 1