7. Gases
Pressure Units
7. Gases Pressure Units
48PRACTICE PROBLEM
Consider a barometer with a length of 1.50×102 cm and a cross-sectional area of 1.70 cm2. The mercury column has a height of 95.0 cm, and the temperature is 30°C. Some amount of N2 is added into the empty space above the mercury. The mercury height dropped to 80.0 cm. Calculate the mass of N2 that was added.
Consider a barometer with a length of 1.50×102 cm and a cross-sectional area of 1.70 cm2. The mercury column has a height of 95.0 cm, and the temperature is 30°C. Some amount of N2 is added into the empty space above the mercury. The mercury height dropped to 80.0 cm. Calculate the mass of N2 that was added.