how would the following open-end manometer look when stopcock A is opened calcul

Question

how would the following open-end manometer look when stopcock A is opened calculator Yahoo! Apple Dis Student Home GoWMU EM 1100 General Chemistry I 09 HW Problem 9.33 Problem 9.33 Part A How would the following open-end manometer look like when stopcock Ais opened? The level of the mercury in the right arm of the manometer will stay higher than in the left. The level of the mercury will be the same in both arms of the manometer. o The level of the mercury in the left arm of the manometer will be higher than in the right. Submit My Answers Give Up

Explanation / Answer

See that the A end of the above assembly is closed to the atmosphere and pressure at closed A is higher than 1 atm. Whereas, other end is open to atmosphere. P= 1atm. Since PA>Patm, level of mercury in the open end is higher.

When you open the A, it will be open to atmosphere and liquid will rise until pressure equilibrium is achieved (PA=Patm= 1 atm). Means that level of mercury will be same when you open the stopcock A.

So, Answer is:

The level of mercury will be same in both arms of manometer.

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