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1. It is often said that a crystal is one giant molecule. Explain. Can we regard a diatomic molecule as a small solid?
2. Why does metallic binding usually occur with atoms having a small number of valence electrons?
3. Why is it, considering the very similar electronic structures, that lithium is a metal whereas hydrogen is a molecular solid?
The cockroach finds a bread crumb on the rim and, of course, stops. What is an angular speed of the lazy Susan after the cockroach stops.
q1. a thermos contains 161 cm3 of coffee at 82.0 degc. to cool the coffee you drop two 10.8-g ice cubes into the
a marble spins in a vertical plane around the inside of a smooth 20-cm-diameter horizontal pipe. the marbles speed at
At a certain point in a horizontal pipeline, the water's speed is 4.00{\rm m/s}, Find the gauge pressure at a second point in the line
As a copper wire is heated, its length increases by 0.050%. What is the change in temperature of the wire? (copper= 16.6 x 10-6/Co)
For t > 0 the voltage across an energy storage element is v (t) = 5 - 20 e-500t V and the current through the element is i (t) = 2000t + 16 e-500t mA. What are the element, the element value, and its initial condition?
an object 5.00 mm tall is placed 6.00 cm to the left of a converging lens of focal length 20.0 cm.a how far away from
An experimental bicycle wheel is placed on a test stand so that it is free to turn on its axle. If a constant net torque of 8.00 N m is applied to the tire for 2.00 s, the angular speed of the tire increases from zero to 100 rev/min.
A golf ball of mass 0.045 kg is hit off the tee at a speed of 40 m/s. The golf club was in contact with the ball for 5.3 × 10-3 s. Discover the magnitude of the impulse imparted to the golf ball.
at what temperature will aluminum have a resistivity that is three times the resistivity of iron at room temperature?
Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 ..
A hard steel ball is dropped from rest at postion y = 2h and bounces from a hard surface tilted at an angle phi from horizontal. On impact, Find the horizontal displacment of the ball
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