How to find the final density of the air
A tank has two rooms separated by a membrane. Room A has 1 kg air and volume 0.5 m3, room B has 0.75 m3 air with density 0.8 kg/m3. The membrane is broken and the air comes to a uniform state. Find the final density of the air.
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In moles of an ideal gas A ad (1-n) moles of an ideal gas B, each at 1 atm pressure, are mixed at total constant pressure. What ratio of A to B in the mixture maximizes the decrease in the Gibbs free energy of the system?
When looking at a set of data, we often want to be able to describe it. What two elements are we interested in reporting?
Plot schematics of stress vs strain and stress vs. strain rate for (i) creep deformation, (ii) superplastic deformation, and (iii) high strain rate deformation typical of forging and extrusion.
What is the excess charge on a conducting sphere of radius r = 0.37 m if the potential of the sphere is 1625 V and V = 0 at infinity?
A solid sphere of weight 36.0 n rolls up an incline at an angle of 30.0. At the bottom of the incline the center of the mass of the sphere has a translational speed of 4.90 m/s. a) what is the kinetic energy of the sphere at the bottom of the incli
A nozzle receives 0.1 kg/s steam at 1 MPa, 400oC with negligible kinetic energy. The exit is at 500 kPa, 350oC and the flow is adiabatic. Find the nozzle exit velocity and the exit area.
Two identical twins A and B are each 20 year old when B starts on a round trip to a star 10 light years away. If he travels at an average speed of 0.99c, What are the ages of the two twins when B returns?
The virial equation of state for n-butane at 460K is Z=1+A/V+B/V^2 in which A =-265 cm^3/g and B= 30250 cm^6/(g*mole^2).
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