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Question: For each of the following molecules, determine what atomic orbitals on the central atom are allowed by symmetry to be used in the construction of sigma hybrid orbitals.
a) NH3 (trigonal pyramid)
b) BF3 ( trigonal plane)
c) SF6 (octahedral)
d) PF5 (trigonal bipyramid)
A 512-turn circular-loop coil with a diam- eter of 17.4 cm is initially aligned so that its plane is perpendicular to the Earth’s mag- netic field. In 2.46 ms the coil is rotated 90.0? so that its plane is parallel to the Earth’s magnetic field. An a..
A certain kind of glass has an index of refraction of 1.650for blue light of wavelength 430nm and an index of 1.615 for redlight of wavelength 680 nm. what is the angle between the two beams inside the glass
Looking out the window of a train you observe the passengers on a second train moving in the opposite direction at a constant velocity. determines which of the two trains is actually moving
What is the magnitude of the dipole moment and find an expression for the electric field Eat the center of the semicircle. Give your answer in component form.
A copper vat is 10-m long at room temperature (20°C). How much longer is it as it contains boiling water at 1 atm pressure.
A mass m1 = .80 kg sits on a table. The coefficient of kinetic friction between the mass and table is .10. What is the linear acceleration of the masses
Vi = 10-3 m3 chamber of a gas bottle contains some argon gas (atomic weight = 0.040 kg/mole) at a pressure of 104 Pa and a temperature of 22° C. Illustrate what is the number density of atoms in this chamber?
A 10g bullet is fired horizontally into a 300g wooden block initially at rest on a horizontal surface and becomes embedded in it. The coefficient of friction between block and surface in 0.50. The combined system slides 4.0m before stopping. With ..
Two identical particles of mass m are trapped by an external one dimensional harmonic oscillator potential, but do not interact with each other. The energy levels for a single particle in the potential are En = (n + 1/2)(h_bar)(ω) for n = 0,1,2,3,..
"Jerk" is the rate of change of acceleration, and it's what can make you sick on an amusement park ride. Find an expression for the maximum jerk
An 2,705kg truck is stopped at a red light. A 1,903kg car that was moving 9.1m/s bumps into the truck and they stick together. Calculate their speed right after the collision
For the house in Question 3, calculate the infiltration heat losses in Btu/h when ?T = 40°F. What percentage of the heat loss is because of infiltration
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