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At a certain temperature the solubility of aluminun sulfide is.703 g/L. What is the solubility in mol/Land Calculate the Ksp for aluminum sulfate.
An object is placed in front of a converging lens in such a position that the lens (f = 14.0 cm) creates a real image located 24.0 cm from the lens. Then, with the object remaining in place, the len
The density of CO2 is 1.98 g/L at STP. What is the mass of exactly one liter of the gas if the pressure increases by 40mmHG?
A meter stick is suspended at its center of gravity by a cord. If a mass is hung on the right side of the meter stick, what quantities are needed to determine the torque on the meter stick? Would th
A meter stick is 1.000m in length. The meter stick is attached to a fulcrum at the 0.500m position on the meter stick. if a mass is placed at the 0.350m position on the meter stick, how far away is
Roller coasters work on principle of conservation of mechanical energy (with allowances for energy losses to friction, heat, sound). Using what you know about conservation of energy, explain how a r
What is the subsequent speed of the boat? (Consider the speed of the water in the bucket given above to be measured with respect to the initial speed of the boat.)
A 55 kg woman on a 425 kg boat hooks a 150 kg fish on the end of a nearly horizontal line 38 m long. If fish and boat are originally at rest on a frictionless sea, how far does the boat move as she
A solenoid has n turns per unit length and carries a current I = I0 sin(ωt). For small frequencies, find the displacement current and the electric and magnetic fields everywhere. The radius of
A 900 kg airplane touches down on an icy runway, heading northward at 150 km/h. It collides with a 1600 kg plane taxiing eastward at 100 km/h. Find the speed and direction of the combined wreckage.
The electrodes are in the shape of circular discs and the distance between them is d. If a voltage V = V0 cos(ωt) is applied find the magnetic field at a distance r from the axis. Ignore edge
Chloromethane, CH3Cl, arises from microbial fermentation and is found throughout the enviroment. It is also produced industrially and is used in the manufacture of various chemicalsand has been used
(a) What is the velocity of the wedge after the block reaches the horizontal surface? (b) What is the height of the wedge?
In a Broadway performance, and 80.0 kg actor swings from a 3.75 m long cable that is horizontal when he starts. At the bottom of his arc, he picks up his 55.0 kg costar in an inelastic collision. Wh
Two ice skaters are holding hands at the center of a frozen pond when an argument ensues. Skater A shoves skater B along a horizontal direction. Identify (a) the horizontal forces acting on A and (b
Calculate the displacement current ID between the square plates 5.8 cm on a side, of a capacitor if the electric field is changing at the rate of 2 x 106 V/m.s
The following evidence has been obtained: (1) The reaction occursmuch faster in DMF than in ethanol. (2) The corresponding ethylester (RCO2CH2CH3) cleaves approximately 10 times more slowly than the
Calcualte the molarity of a solution made by dissolving31.5g of NaNo3 in 435g of water. How many grams of NaCl are present in a 1.2 M solution made by using 1.440 kg of water?
Give one use of the polymer Kevlar. What is the polymer found in disposable diapers that allows them to absorb so much liquid?
Tungsten (W) crystallizes in a cubic unit cell with a celledge of 0.3981nm. The density of Tungsten (W) is19.35g/cm3. Calculate the number of atoms per unitcell.
Zinc and magnesium metal each react with hydrochloric acid to makechloride salts of the respective metals, and hydrogen gas. A12.0 g mixture of zinc and magnesium produces 0.5166 g of hydrogen gas
Can someone help me describe the blood buffer system- includethe acid, base, conjugate acid and conjugate base (molecularformulas or names) and the source of the acid and conjugate base.Also indicat
What is the oxidation state and d electron count (numberof d electrons) for the metal ion in the following coordination complex? [Rh(en)3]Cl3
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 50.0 m/s and returns the shot with the ball traveling horizontally at 40.0 m/s in the opposite direction. (a) What
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20 cm and the other is pulled so its spring stretches only 10 cm.The masse