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A cylinder with a moveable piston holds 3.80mol of argon at a constant temperature of 295 K. As the gas iscompressed isothermally, its pressure increases from 101 kPa to 149kPa.
(a) Find the final volume of the gas.
-------- m3
(b) Find the work done by the gas.
--------- kJ
(c) Find the heat added to the gas.
---------kJ
A certain concrete will support a maximum compressive stress of 1.12 107 N/m2 before being crushed. A column of uniform width is to be made with this concrete. How tall can the column be if the stress in it at any point is not to exceed one fifth the..
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A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
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