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Calculate the work done on 0.205 mol of methane when it is compressed from 10.0 L to 2.25 L at 25 degree's Celsius, assuming that methane is (a) an ideal gas and (b) a van der Waals gas.
A runner approaching the start/finish line hears the bell signaling one lap to go. The bell emits a 352 Hz tone, How fast is she going
The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece
A capacitor with air between its plates is charged to 70 V and then disconnected from the battery. What is the dielectric constant of this glass
A mass of 0.5 kg is suspended from a spring, which stretches by 8 cm. At what frequehcy would you expect resonant behavior
Consider a solid that sublimes (goes from solid to gas) at 300K. In the solid phase, the molecules have six degrees of freedom and u0=-0.15 eV, What is the latent heat of sublimation in joules per mole
X rays with a wavelength of 0.18 nm undergo first-order diffraction from a crystal at a 74 degree angle of incidence
A dentist uses a mirror to examine a tooth. The tooth is 1.01 cm in front of the mirror, and the image is formed 10.9 cm behind the mirror. Determine the mirror's radius of curvature
welding machine draws a 18A of current at 240V. When it is inadvertently connected to a 120V outlet, the current in it is 10A. Is the machine's resistance ohmic
An electric wire that has a mass of 5 kg for a 20m length is strung between two poles 20 m apart. What must be the tension in the wire if it is to take .80 seconds for a pulse to travel along the wire from one pole to the other.
Light with a wavelength of 618 nm passes through a slit 7.52 wide and falls on a screen 1.88 m away. compute the linear distance on the screen from the central bright fringe to the first bright fringe above it.
In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, What are the magnitudes of the average force acting on the victim from the floor during the collision
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
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