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Why is it not possible for asalt with the formula M3X to have a face centered cubic lattice ofX anions with M cations in octahedrals holes.
A 22.2 kg mass is attached to the cart using a massless string draped over the end of a frictionless pulley at the top of the track. What is the expected acceleration of the cart along the air track
What is the average kinetic energy of a Helium atom at 300 K? What is the averagekinetic energy of an Argon atom at 300 K?
Suppose N electrons can be placed in either of two configurations. In configuration 1, they are all placed on the circumference of a narrow ring of radius R and are uniformly distributed so that the
What was the direction of the mug's velocity just before it hit the floor? (Use any variable or symbol stated above as necessary.)
Aliquots of a 0.5 mg/ml standard of BSA are used to construct a standard curve for the bradford protein assay. The tubes contains the following amounts of the BSA solution: 0,20,40,60,80, and 100&mu
After a package is ejected from the plane, how long will it take for it to reach sea level from the time it is ejected? Assume that the package, like the plane, has an initial velocity of 260 in the
The pka of heppes is 7.55 at 20 c and its mw is 238.31. Calculate the amounts of heppes in grams and of 0.1M NaOH in ml that would be needed to make 300 ls of 0.2M heppes buffer at pH of 7.2.
A 0.10 kg ball is thrown straight up into the air with an initial speed of 15 m/s. Find the momentum of the ball halfway to its maximum height.
Find the tensions in the rope to the left and to the right of the mountain climber.
What must be the magnitude and direction of the third force, such that the object continues to move with a constant velocity?
Find an expression for the maximum safe period of rotation, T, in terms of the variables given above, and the gravitational acceleration, g.
A 150.0 g sample of a metal at 75.0°C isadded to 150.0 g of H2O at 15.0°C. The temperatureof the water rises to 18.4°C.Calculate the specific heat capacity of the metal, assuming thatall
Two conducting spheres, one having twice the diameter of the other, are separated by a distance that is large compared to their diameters. The smaller sphere has charge q and the larger sphere is un
The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction µk = 0.202. The frictional force stops the block in d
Can someone explain in detail how to do all the steps for thisproblem?Ascorbic acid is a compound consisting of three elements: C,H, and O. When a 0.214g sample is burned in oxygen, 0.320g ofCO2and
Antimony dissolves in hot concentrated sulfuric acid,H2SO4, or nitric acid, HNO3, toform solutions containing Sb(III). The sulfuric acid reactionproduces sulfur(IV) dioxide gas. What are the balance
A 2.0 kg wood block is launched up a wooden ramp that is inclined at a angle. The block's initial speed is . The coefficient of kinetic friction of wood on wood is .
A charge of +80 µC is placed on the x-axis at x=0. A second charge of -50 µC is placed on the x-axis at x = 50 cm. What is the magnitude of the electrostatic force on a third charge of 4
A certain substance, melting at 188-189 ºC, is suspected to be4-aminobenzoic acid. How could you be reasonably certain that the substance is actually 4-aminobenzoic acid and not another compou
A negative ion is moving east near the equator where the Earth's magetic field is horizontal to the north. The direction of the magnetic force on the ion is.
The structure of manganese fluoride can be described as a simplecubic array of manganese ions with fluoride ions at the center ofeach edge of the cubic unit cell.
A copper wire with a resistance of 4.00Ω at 20.0o C has a length of 5.00 m. If it is to have the same resistance and cross sectional area at 40.0o C to what length must it be cut?
Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 9.0 N, acting due east, and the other is 7.2 N, acting 56° north of west. What is the magnit