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Atoms of an element, E, are being adsorbed on the surface of a material, M. Materials M has N adsorption sites available per square centimeter of surface. (a) Derive an expression for the entropy of NE atoms of the element E adsorbed on M (per square centimeter) assuming that the adsorbing atoms have zero interaction energy with each other. They do, of course, have an interaction energy with the surface atoms of M; (b). At what ratio of E atoms to adsorption sites (NE/N) will this entropy be a maximum?
A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection
Two point charges Q1=+5.00 nC and Q2= -3.00 nC are separated by 35.0cm. (a) What is the electric potential at a point midway between the charges? (b) What is the potential energy of the pair of charges? What is the significance of the algebraic si..
Close a door by pushing on the doorknob. Close the door again using approximately the same force but applying it 5 centimeters away from the hinges. Try again by applying the force on the edge of the door in a direction pointing toward the hinges. Su..
A rotating wheel requires 3.09-s to rotate through 37.0 revolutions. calculate the constant angular acceleration of the wheel
A 62.0 m length of insulated copper wire is wound to form a solenoid of radius 2.1 cm. The copper wire has a radius of 0.53 mm. How long is the resulting solenoid
The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild, determine the magnetic field strength at the center of the coil
A space craft with a mass equal to .25*(mass of moon) is in orbit about the sun with a period of 3 years. calculate the average radius of the space craft's orbit. (the distance from the space craft to the sun).
What is the final velocity of a hoop that rolls without slipping down a 7.50 m high hill, starting from rest
A spherical object has an outside diameter of 50.0cm. Its outer shell is composed of aluminum and is 0.800cm thick. Determine the object's average density
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
q1. a flywheel having constant angular acceleration requires 4.60 to rotate through 170. its angular velocity at the
in what direction must storm now sail to reach. The car is uniformly accelerated during the entire time. What net force is exerted on it.
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