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Question: A 45-liter container at room temperature is known to have in it a total of N = 15 × 1023 diatomic molecules of oxygen gas.
a. What is the number density n of the molecules of this gas? Give your answer in units of cm-3.
b. What is the number of moles, nM, of this gas?
c. What is the pressure of this gas?
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
A 0.39 V potential di?erence is maintained across a 1.7 m length of tungsten wire that has a cross-sectional area of 0.85 mm2, What is the current in the wire
What is the preferred method of purification for fluorosulfonic acid?
a starship blasts past the earth at 2.0108 ms .just after passing the earth the starship fires a laser beam out its
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. determine the recoil velocity
A 180 g block on a 49 cm-long string swings in a circle on a horizontal, frictionless table at 74 rpm.
You toss a ball straight up in the air. Immediately after you let go of it, what forces are acting on the ball
A reflecting telescope has a main mirror with fM = 540 mm. If an eyepiece with a magnification of 5 is used, what is the total magnification of the telescope
A sinusoidal force with an amplitude of 1.70 N drives the system. At what frequency will the force make the object vibrate with an amplitude of 0.440 m
a worker drags a crate across a factory floor by pulling on a rope tied to the crate. the worker exerts a force of
a sealed container contains 8 moles of radon gas at stp. estimate the number of radon atoms having speeds in the range
A figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. What is her new rate of rotation
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