Solved: (II) When using a mercury barometer (Section
Chapter , Problem 36(choose chapter or problem)
(II) When using a mercury barometer (Section 13-6), thevapor pressure of mercury is usually assumed to be zero. Atroom temperature mercurys vapor pressure is about0.0015 mm-Hg. At sea level, the height h of mercury in abarometer is about 760 mm. (a) If the vapor pressure ofmercury is neglected, is the true atmospheric pressure greateror less than the value read from the barometer? (b) What is thepercent error? (c) What is the percent error if you use a waterbarometer and ignore waters saturated vapor pressure at STP?
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