Problem: A barometer tube is 1.00×102 cm long and has a cross-sectional area of 1.20 cm 2. The height of the mercury column is 74.0 cm, and the temperature is 24°C. A small amount of N2 is introduced into the evacuated space above the mercury, which causes the mercury level to drop to a height of 64.0 cm. How many grams of N2 were introduced?

FREE Expert Solution
93% (248 ratings)
Problem Details

A barometer tube is 1.00×102 cm long and has a cross-sectional area of 1.20 cm 2. The height of the mercury column is 74.0 cm, and the temperature is 24°C. A small amount of N2 is introduced into the evacuated space above the mercury, which causes the mercury level to drop to a height of 64.0 cm. How many grams of N2 were introduced?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Manometer concept. If you need more Manometer practice, you can also practice Manometer practice problems .

What is the difficulty of this problem?

Our tutors rated the difficulty of A barometer tube is 1.00×102 cm long and has a cross-section... as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 14 minutes to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Harris' class at UF.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in . You can also practice practice problems .