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The gravitational force exerted by an object is given by F
Chapter 6, Problem 10P(choose chapter or problem)
The gravitational force exerted by an object is given by F = mg, where F is the force in newtons, m is the mass in kilograms, and g is the acceleration due to gravity (9.81 m/s2).
(a) Use the definition of the pascal to calculate the mass (in kg) of the atmosphere above 1 m2 of ocean.
(b) Osmium (Z = 76) is a transition metal in Group 8B(8) and has the highest density of any element (22.6 g/mL). If an osmium column is 1 m2 in area, how high must it be for its pressure to equal atmospheric pressure? [Use the answer from part (a) in your calculation.]
Questions & Answers
QUESTION: Problem 10P
The gravitational force exerted by an object is given by F = mg, where F is the force in newtons, m is the mass in kilograms, and g is the acceleration due to gravity (9.81 m/s2).
(a) Use the definition of the pascal to calculate the mass (in kg) of the atmosphere above 1 m2 of ocean.
(b) Osmium (Z = 76) is a transition metal in Group 8B(8) and has the highest density of any element (22.6 g/mL). If an osmium column is 1 m2 in area, how high must it be for its pressure to equal atmospheric pressure? [Use the answer from part (a) in your calculation.]
ANSWER:
Solution 10P:
Step 1: (a)
Here, we have to calculate the mass of the atmosphere above 1 m2 of the ocean using pascal.
We know that,
1.0 Pascal = ----(1)
Given that,
The gravitational force exerted by an object is given by F = mg,
Where, m is the mass in kg
g is the acceleration due to gravity (9.81 m/s2)
F is the force in N.
We know that
1.0 atm = 1.01325
Putting the values in equation (1) we get
1.01325 =
= 1.03
Therefore, the mass of the atmosphere above 1 m2 of the ocean using pascal is 1.03.