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Of the atoms (a) scandium, Sc; (b) calcium, Ca; and (c) lithium, Li, one tends to lose three electrons, another tends to lose two electrons, and another tends to lose one electron. Rank these atoms in order of the number of electrons they tend to lose, from fewest to most.
Rank the physical and chemical changes in order of decreasing of the amount of energy released: (a) the condensation of rain in a thunderstorm, (b) the burning of a gallon of gasoline in a car engine, (c) the explosion of a firecracker. What is the common name for oxygen oxide? How many carbon atoms are in a 4-carat pure diamond that has a mass of 0.80 g .
A Dodge Caravan has a speed of 50 mph and an acceleration of 2 mph second. A Ford Taurus has a speed of 55 mph and an acceleration of 1 (mph) per second. Which car has the higher speed after 10 seconds have elapsed?
In effect, the first circular dark fringe in the diffraction pattern defines the size of the central bright spot on the moon. find the diameter (not the radius) of the central bright spot on the moon.
A series RLC circuit with R = 12.5 omega, L = 56.0 mH and C= 0.022 MuF is driven by an AC generator with voltage amplitude of 10.0V and an adjustable frequency. At what frequncy will the current amplitude from the generator be the greatest? Find th..
A block of mass m is initially at rest on a frictionless surface. At time t = 0, an increasing force given by F = kt2 is applied to the block. Find the velocity and the displacement of the block as a function of time and graph x and v versus t.
A lead ball is dropped into a lake from a diving board 5.08m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.72s after it is dropped ( Assume the positi..
Human-induced climate change remains a controversial topic with a lot of misinformation on both sides of the political spectrum. Discuss the following aspects of some of the more common claims about global warming. A very good website that discusses ..
A conducting rectangular loop of mass M, resistance R, and dimensions w by l falls from rest into a magnetic field. All through the time interval before the top edge of the loop reaches the field, the loop approaches a terminal speed vT.
A race car starts from rest on a circular track of radius 274 m. The cars speed increases at the constant rate of 0.560 m/s^2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the the speed of the r..
On a cold day, 28100 J of heat leaks out of a house. The inside temperature is 19.0° C, What is the increase in the entropy of the universe that this heat loss produces
A football kicker can give the ball an initial speed of 24 m/s. He is 54 m from the goalpost which has a crossbar 3.46 m high. What is the smallest angle of elevation that he can kick the football and score a field goal?
A 99.0 Amp current circulates around a 2.10 millimeter diameter superconducting ring. Calculate the ring magnetic dipole moment
A hydrogen atom has an angular momentum of 1.055x10^-34 kg.m^2/s. According to the Bohr model, what is the energy (eV) associated with this state
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