Elementary Principles 35 - 3.45 (a) h = L sin (b) h = 8.7...

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3- 19 3.45 (a) h = L sin θ (b) h = = 8 7 15 2 3 23 .s i n . cm cm H O mm H O 22 bg b g 3.46 (a) PP P P atm oil Hg =− =−− ⋅× 765 365 920 1 kg 9.81 m/ s 0.10 m N 760 mm Hg m 1 kg m/ s 1.01325 10 N / m 2 32 5 2 = 393 mm Hg (b) — Nonreactive with the vapor in the apparatus. — Lighter than and immiscible with mercury. — Low rate of evaporation (low volatility). 3.47 (a) Let ρ f = manometer fluid density 110 . gc m 3 c h , ac = acetone density 0 791 g c m 3 c h Differential manometer formula : Δ Pg h fa c ρρ di Δ P mm Hg g 981 cm h (mm) 1 cm dyne 760 mm Hg cm s 10 mm 1 g cm/ s 1.01325 10 dyne/ cm
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