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a) An electron in the first excited state (n=2) of hydrogen. How many possible states of orbital angular momentum are there for the electron? How many Possible spin states are there for the electron?
b) In the H20 water molecule, why does each hydrogen atom readily share its electron with the oxygen atom, and why does the oxygen atom readilty accept them?
A cube of ice is taken from the freezer at -7.9°C and placed in a97g aluminum calorimeter filled with322g of water at room temperature of 20°C. What was the mass of the ice cube
A charge of -7.1 micro-Coulombs is placed at x = 0, y = 0. A charge of +18.7 micro-Coulombs is placed at x = 0, y = +30 cm. Another charge of +31.3 micro-Coulombs is placed at x = +31 cm, y = 0 cm.
A constant force of 46.3 N, directed at 28.7o from horizontal, pulls a mass of 14.7 kg horizontally a distance of 3.09 m
An Airbus A320 jetliner has a takeoff mass of 75,000 kg. It reaches its takeoff speed of 98m/s (220mph ) in 38s. What is the thrust of the engines
An engineer claims to be able to compress 0.100 kg of water vapor at 200. degrees C and 0.100 MPa in a piston-cylinder arrangement in an isothermal and adiabatic process. determine final temperature and pressure
If 20 grams of hot water at 80 C is poured into a cavity in a very large block of ice at 0 C, what will be the final temperature of the water in the cavity? How much ice should melt in order to cool the hot water down to this temperature.
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
A 1.9-pF parallel plate capacitor has a potential difference of 10.0 V across it. The plates are 1.1 mm apart, and the space between them contains air. What is the area of the plates
A set of crash tests consists of running a test car, moving at a speed of 12.8 m/s, into a solid wall. Calculate the size of the average force which acts on the dummy
A 5 g bullet moving with an initial speed of 530 m/s is fired into and passes through a 2 kg block. find the speed at which the bullet emerges from the block
A projectile of mass 1.8 kg approaches a stationary target body at 4.8 m/s. What is the magnitude of the momentum of the target body after the collision
A sphere, a solid cylinder and a thin-walled hollow cylinder all have the same mass and radius. Which one reaches the bottom of the incline first
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