Why is it necessary to adjust the height of the graduated cylinder when measuring the volume of CO2 (g) produced? What type of error would be introduced if you consistently did not adjust the height?

Question

Chemistry

Adriel Waller

9 May, 19:37

Why is it necessary to adjust the height of the graduated cylinder when measuring the volume of CO2 (g) produced? What type of error would be introduced if you consistently did not adjust the height?

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Eric Brennan · Answer 1

This process ensures that the pressure inside of the graduated cylinder is the same as the atmospheric pressure in the room.

Suppose the level of water inside and outside the cylinder is same, pressure stays the same. Therefore, total pressure of the is made equal to atmospheric pressure by adjusting the height of cylinder. it is done till the water level is equal.