B: Mercury Unit Conversions (15 points) uestions and make sure to show all of yo
ID: 574758 • Letter: B
Question
B: Mercury Unit Conversions (15 points) uestions and make sure to show all of your Pargr the following Mercurstep of the dimensional analysis. Draw a solid square around your final answer and don't forget the units! Mercury (Hg) has a density of 13.534 g/em@25.0° C, 1.00 atmosphere Deionized water (H2O) has a densityof0.9970480 gic @ 25,00C, erepressure 1) What is the density of Mercury in kg/m (2 points)? 13.5342,ion3 x- o.ool lcm c m3 2) What is the mass of 10 ml of Mercury (2 points)? 3) What is the mass of a kilogram of Mercury (2 points)? 4) What is the pressure in PSI at the bottom of a 10.0 ft high column of Mercury (4 points)? 5) How many gallons of Mercury are in the column (3 points)? 6) What is the specific gravity of Mercury@25.0° C, 1.00 atm (2 points)? EES 202- Biogeochemistry-Wilkes UniversityExplanation / Answer
Ans 1
Density of mercury
= (13.534 g/cm3) x (100cm/m)3 x (1kg/1000g)
= 13534 kg/m3
Ans 2
Volume of mercury = 20 mL
Mass of mercury = volume x density
= 13.534 g/cm3 x 1cm3/mL x 20 mL
= 270680 g
Ans 3
Mass of mercury in kg = 270680 g x 1kg/1000g
= 270.68 kg
Ans 4
Pressure = density x g x height
= 13534 kg/m3 x 9.81 m/s2 x 10 ft x 1m/3.28ft
= 404782.13 Pa x 14.7 psi/101325Pa
= 58.725 psi
Ans 5
Gallons of mercury = 10 mL x 1 gallon/3785.41 mL
= 0.002641 gallons
Ans 6
Specific gravity = density of mercury/density of water
= 13.534/0.9970480
= 13.574
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