What does 25 mm Hg absolute equal ?

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What does 25 mm Hg absolute equal ?

A. 25" Hg vacuum
B. 29" Hg vacuum
C. 30" Hg vacuum
D. 25,000 microns

2007-10-03 11:18:33 · 2 answers · asked by Healy2006 2 in Science & Mathematics ➔ Mathematics

2 answers

25mm Hg absolute is a reading on a
standard mercury barometer.
29 + inches is standard atmospheric pressure.
What answer do you like now?

2007-10-03 11:29:46 · answer #1 · answered by Irv S 7 · 0⤊ 1⤋

Previous answer is inaccurate. atmospheric pressure is 29.9 inches Hg absolute. 25mm is approximately 1 inch, therefore 25mm Hg absolute is about 1 inch Hg absolute which corresponds to a vacuum of 28.9 inches Hg so the best answer is B: 29" Hg vacuum.

2016-01-22 15:41:40 · answer #2 · answered by Louis 1 · 0⤊ 0⤋