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Three ships leave a spacestation at nearly the same time. As seen by a spacestation observer, Find the speed and direction of ships 2 and 3
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many grams of H2SO4 are required to completely consu
A pion has a rest energy of 135MeV. It decays into two gamma rays, bursts of electromagnetic radiation that travel at the speed of light. find the energies of the two gamma rays
can a reaction consist of both a single step bimolecular reaction and a unimolecular decompostion
what is the difference between using blue dye and red dye when determining the rate law for the oxidation by sodium hypochlorite?
How many milliliters of 4.00M H2SO4 are required to react with 1.60g of CuO according to the equation
What relationship can you infer about the directions of the electric field lines and equipotential lines, What is the potential of the conductor
A rifle is aimed horizonatally at a target 50 m away. The bullet hits the target 2.0cm below the aim point. what was the bullets speed as it left the barrel
Consider the earth following its nearly circular orbit (dashed curve) about the sun. find the size of the gravitational force acting on the earth
A cylindrical permanent magnet has a volume of 202 cm3 and a uniform magnetization of 1.0 106 A/m along its axis. Find the magnetic torque exerted on the magnet
A 4 ohm resistor and 10 ohm resistor are connected in series. how much current will flow through the circuit
Two parallel conductive plates of area 0.3m^2 hold equal but opposite charges of magnitude 30uC on either side. find the electric force acting on am electron between the plates
A 300-m-wide river flows due east at a uniform speed of 4.4 m/s. A boat with a speed of 7.6 m/s relative to the water leaves the south bank pointed in a direction 25o west of north. How long does it
At what position will the electrophilic aromatic substitution occur for the following compounds? bromobenzene, nitrobenzene, benzoic acid, toluene, phenol, and benzaldehyde
Many metals pack in cubic unit cells. The density of a metal and length of the unit cell can be used to determine the type for packing. For example, gold has a density of 19.32 g/cm3 and a unit cell
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
A solution of H2SO4 (aq) with a molal concentration of 6.80 m has a density of 1.318 g/mL. What is the molar concentration of this solution
Two identical spheres are placed with centers 0.25 m apart, one is given a charge 20nC and the other-36nC, what will be the electric force each exerts on the other
The tricky part of this multi-step synthesis is the isolation of the neutral p-aminobenzoic acid in the second step. Why is this isolation so difficult
A uniform thin rod of length 0.778 m is hung from a horizontal nail passing through a small hole in the rod located 0.043 m from the rod\'s end
At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa
An electron of mass 9.11×10?31 leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, Find the Time to reach the grid
this is a post lab question: you did not correct for the barometric pressure for the vapor pressure of water. what happens to your calculations
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. find the approximate number of capillaries in the human body