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1) There are 1.5 times as many molecules as Avogadro's number at a temperature of 2.5°C inside a sealed cube with dimensions 1.2 cm ? 1.2 cm ? 1.2 cm. How much force does the gas exert on one of the walls of the cube?
________N
2) What is atmospheric pressure on top of Mt. Everest on a day when water boils there at a temperature of 70.0°C?
________N/m^2
3) A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea level, where dry air contains 20.9% oxygen and has a total pressure of 1.01 ? 105 N/m2.
(a) What is the partial pressure (in N/m2) of oxygen at sea level? ________N/m^2
(b) If the diver breathes a gas mixture at a pressure of 3.00 ? 106 N/m2, what percent oxygen should it be to have the same oxygen partial pressure as at sea level?
___________%
The temperature of a monatomic ideal gas with a mass per mole of 0.00750 kg/mol is 298 K. What is the mass of the gas
Find out the recoil velocity that the raft. At what height above the cannon should the net be placed in order to catch the daredevil.
A falling skydiver of mass 86.0 kg accelerates downward at 6.7 m/s2. What is the upward force due to air resistance
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field
At t=0, the water is turned off and the surface of the pipe is maintained at 40° from then on (neglect the wall thickness of the pipe). Find the temperature distribution in the water as a function of r and t.
Suppose this crystal consists of aluminum ions with an equilibrium spacing of 0.30 nm. What are the energies of the four lowest vibrational states of these ions?
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. at time t 0 the red car
A car moves along an x axis through a distance of 950 m,starting at rest (at x = 0) and ending at rest (atx = 950 m). Through the first 1/4 of that distance, itsacceleration is +6.25 m/s2.
The tungsten filament of a light bulb has an operating temperature of about 2 100 K. what is the power output of the light bulb
1 the electic field between two large conducting plates is uniform 100.0 knc pointing from plate a to plate b. the two
A particular atomic energy state is characterized by a principle quantum number n = 4. How many orbital subshells are possible
What is the concentration (number per cubic meter) of the molecules in air at normal conditions?
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