y (zit) = Ae - (√em/24) x ² V(xit) = Vex) = 1/² Cx² ( x ) √ m t
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- Find the pressure in psiThe equation for calculating the work performed when a piston in a cylinder expands against a constant pressure is w = −P ∙ΔV, where ΔV is the change in volume inside the cylinder. How much work is performed (in joules) when a piston pushes against a constant pressure of 1.21 atm, resulting in a volume change of 2.56 mL? (Hint: First determine the units that must be used for each term in the equation.)(101,325 Pa = 1 atm)If an ideal gas does not really exist, why do scientists use this this concept?
- An industrial firm supplies compressed air cylinders of volume 0.25 m3 filled to a pressure of 20×106 Pa at 17 ºC. Calculate the number of moles of air in each cylinder.Two containers of equal volume each hold samples of the same ideal gas. Container A has 2 times as many molecules as container B. If the gas pressure is the same in the two containers, find the ratio of the the absolute temperatures TA and TB ( i.e TA / TB ) . Calculate to 2 decimals.- What is the density (ing/L) of hydrogen gav at 20.0°C and a provun of 1655 psi?