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Gas is contained in an7.4L vessel at a temperature of 20°C and a pressure of9.2atm.
(a) Determine the number of moles of gas in the vessel.
mol
(b) How many molecules are in the vessel?
molecules
How many electrons should be removed from an initially uncharged spherical conductor of radius 0.100 m to produce a potential of 8.50 kV at the surface
Evaluate the electrostatic energy of two opposite charges
The air inside a bicycle tirenpumphas 202 joules of work done on it as 66.1 joules of heat is conducted away from it
A ray of light incident upon a mirror makes an angle of 42 with the mirror. What is an angle between the incident ray and the reflected ray.
A ball is thrown at an initial velocity of 105 mph upward at a roof. The ball is thrown a distance of 100 ft from the building. The building is 525 ft tall. Will the ball reach the roof
In creating his definition of horsepower, James Watt, the inventor of the steam engine, calculated the power output of a horse operating a mill to grind grain or cut wood.
An alpha particle with a kinetic energy of 6.00MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles
You have a 96.1-cm-long copper rod with a rectangular cross section of dimensions 5.47 cm by 7.39 cm. Find the heat current* through the rod
Explain what is the current in the cell during this period? Assume that the gold ions carry one elementary unit of positive charge.
A plastic bag is filled with hydrogen at atmospheric pressure and 27.0 oC. Assume that the mass of the bag is negligible, How large a volume of hydrogen (in m3) is required
what is the horizontal distance x to the base. find the average net force exerted on him in the barrel of the cannon.
If a disk rotating at 10 rad/s has a moment of inertia of 0.5 kg m^2. Then another disk with a total mass of 5 kg, What is the angular speed of the new system in units of rad/s
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