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A study of the water-gas shift reaction given below was made inwhich equilibrium was reached with [CO] = [H2O] =[H2] = 0.10 M and [CO2] = 0.39M.
A spherical conducting shell has a charge of -17 µC on its outer surface and a charged particle in its hollow. If the net charge on the shell is -12 µC, what is the charge (a) on the inn
(a) What was the net charge enclosed by the outer surface before Q was introduced? (b) What is charge Q ? After Q is introduced, what is the charge on the (c) inner and (d) outer surface of the cond
A point charge q = 1.7 x 10^-7 C is at the center of a spherical cavity of radius 2.3 cm in a chunk of metal. Use Gauss' law to find the magnitude (in N/C) of the electric field (a) 1.3 cm from the
A wire circle of radius 0.050 m is embedded in a solenoid of length 0.20 m with 1000 turns that carries a current of 0.50 A. If a vector that is normal to the plane of the circle makes a 40° ang
A uniform surface charge of density 8.6 nC/m^2 is distributed over the entire xy plane. What is the electric flux through a spherical Gaussian surface centered on the origin and having a radius of 8
A glass column is filled with mercury and inverted in a pool of mercury. The mercury column stabilizes at a height of 735 mm above the pool of mercury. What is the pressure of the atmosphere?
A 3.90--long, 590 steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 74.0 construction worker stands at the far end of
1. A hunter drags a dead deer which has a masss of 20 kg for 18 meters. How much work did he do? If it took him 1.5 min and what power did he develop? 2. A high speed industrial drill with a diamet
How many moles of either NaOH or HCl (state clearly which you choose) should be added to the solution in (b) to produce asolution that has a pH of 11.00? Assume that no volume change occurs.answer:
If the heavier fragment gains 140 J of kinetic energy from the explosion, how much kinetic energy does the lighter one gain?
A pitcher throws a curve ball that reaches the catcher in 0.60 seconds. The ball curves because it is spinnning at an average angular velocity of 330 rev/min (assumed constant) on it's way to the ca
After completing an experitment to determine gravimetrically the percentage of water in hydrate, a student reported a value of 38 percent. The correct value for the percentage of water in th hydrate
How much solution could be heated to boiling by the heat evolved by the dissolution of 28.0 g of NaOH? (For the solution,assume a heat capacity of 4.0 J/g*C, an initial temperature of 25.0 C, a boil
The isomerization of cyclopropane, C3H6to propylene, CH2= CHCH3 is first order in cyclopropane and first order overall. At 1000 degree celcius, therate constant is 9.2/s.
You are an astronaut in the space shuttle pursuing a satellite in need of repair. You are in a circular orbit of the same radius as the satellite (410 km above the Earth), but 28 km behind it.
If the initial concentration is 1.65 x 10-2 mol/ L, what is the concentration after 825 s? How long would it take for the concentration of N2O5 to decrease to 1.00 x 10-2mol / L from its ini
If the potential energy of the pendulum-Earth system is taken to be zero at the stone's lowest point, what is the total mechanical energy of the system?
What is the speed of the dare devil at the bottom of the loop if he was traveling the minimum speed needed to stay in contact with the top of the loop the entire time?
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 10% of light while moving in a circular path of raduis 0.480m. The deuterone is maintai
During mixing, a variety of intermediate temps and water vapor percentages temporarily occur. If you are able to "see your breath" due to formation of cloud droplets during this mixing, what can you
If the vessel has a pinhole-sized leak, which of the following will be true regarding he relative values of the partial pressure of the gases remaining in the vessel after some of the mixture has ef
A 0.70- ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.2 on a frictionless horizontal surface. If the cord will break when the tension in it exceeds 95 , what is
The center of a 1.10km diameter spherical pocket of oil is 1.30 km beneath the Earth's surface. Estimate by what percentage g directly above the pocket of oil would differ from the expected value of
A chemist combines 12 grams of hydrogen with 104 grams of oxygen in an explosive reaction that forms water as its sole product. all of the hydrogen reacts but 8 grams of oxygen remain. how many gram