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A steel tank contains 342 g of ammonia gs (NH3 with molar mass 17.0 g/mol) at a pressure of 1.13 x 106 and a temperature of 70.6oC.
(a) What is the volume of the tank in liters?
(b) Later the temperature is 60.3oC and the pressure is 0.729 x 106 Pa. How many grams of gas have leaked out of the tank? (Ignore the thermal contraction of the tank.)
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.
The length of nylon rope from which a mountain climber is suspended has a force constant of 1.10 ? 104 N/m. What is the frequency at which he bounces
At three corners of a rectangle (length 11.8 cm, height 5.9 cm), the following charges are located: q1 (upper left corner), q2 (lower right corner), and q (lower left corner).
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
The potential at location A is 376V. A positively charged particle is released there from rest and arrives at location B with a speed vB.
q. the mass of a copper atom is 2.38 x 10-25 kg and the density of copper is 8 920 kgm3.a conclude the number of atoms
Two point charges Q1 = 3.6 µC and Q2 = 8.0 µC are initially very far apart. They are then brought together, How much work does it take to bring them together
Two traveling waves with the same amplitude A, frequency f, and wavelength, but out of phase with each other by one quarter of a wavelength, aWrite the equation of the resulting traveling wave
There are 50x10^6 homes in the US. Each home has one light bulb which runs one hour per day. all have 75watt light bulbs. How much energy per year do they use for lighting
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
How much work does Bob do on the rock and How much force, assumed to be constant, does Bob apply to the rock
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