When using a mercury barometer (Section 10-6), the vapor pressure of mercury is usually assumed to be

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When using a mercury barometer (Section 10-6), the vapor pressure of mercury is usually assumed to be zero. At room temperature mercury's vapor pressure is about 0.0015 mm-Hg. At sea level, the height h of mercury in a barometer is about 760 mm.

(a) If the vapor pressure of mercury is neglected, is the true atmospheric pressure greater or less than the value read from the barometer?

(b) What is the percent error?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Oct 05, 2017 08:08 AM

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When using a mercury barometer (Section 10-6), the vapor pressure of mercury is usually assumed to be

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Physics Principles with Applications

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