Answer the following question given this paragraph: 

The pressure of a sample of gas is measured with an open-end manometer, partially shown to the right. The liquid in the manometer is mercury. Assuming atmospheric pressure is 29.92 in. Hg, determine the pressure of the gas in: (a) torr (b) Pa (c) bar.


Q: The pressure of a sample of gas is measured with an open-end what?


A:
manometer