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A 1.00-L flask containing 6.70 g of SO2Cl2 is heated to 375C. What is the concentration of each of the compounds in the system when equilibrium is achieved?
In the operation of a hydraulic jack, suppose one has area 0.0200 m^2 and the other area 0.0500 cm^2. The two pistons are initially level. If a force of 250 N is exert on the input piston, what for
An unscrupulous character wants to gold-plate a cheap watch to sell. He has a solution of aqueous AuNO3 and figures he needs to plate about 0.75 g of Au onto the watch to cover it.
Give step-by-step directions of how the rod, without actually touching either sphere, can be used to give one of the spheres a negative charge.
Make a model of propane. If you substitute one bromine atom for one hydrogen atom, how many isomers are possible? Show what they are and name them.
A 7-Ohm resistor has a potential difference of 12 V across it. What current flows through the resistor?
A soccer player kicks the ball toward a goal that is 28.8 m in front of him. The ball leaves his foot at a speed of 18.7 m/s and an angle of 34.0° above the ground. Find the speed of the ball wh
A log is floating on swiftly moving water. A stone is dropped from rest from a 78-m-high bridge and lands on the log as it passes under the bridge. If the log moves with a constant speed of 5.2 m/s,
Calculate the probability of all the molecules ending up in thesame flask if the number is 90. Calculate the probability of all the molecules ending up in thesame flask if the number is 900.
A diver 50.0 m deep in 10.0^\circC fresh water exhales a 1.00-cm-diameter bubble.What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20.0^\circC?
A jar test has shown that the optimum dose of ferric chlorideconsumes all of the alkalinity. If the amount of the ferricchloride that is in excess is 10 mg/l, how much lime(Ca(OH)2) in mg/l must be
What is the current in the circuit when the temperature of the carbon rises to 61 degrees celsius? Use a temperature coeffiecient of -0.0005 degrees celsius inverse. Answer in unites of mA.
A wire with a circular cross section and a resistance R is lengthened to 8.86 times its original length by pulling it through a small hole. After being pulled through the hole, the total volume of t
A beam of electrons is shot into a uniform downward electric field of magnitude 1.01 x 103 N/C. The electrons have an initial velocity of 1.05 x 107 m/s, directed horizontally. The field acts over a s
A flexible vessel maintains constant pressure of 300kPA during acombustion process. The vessel has an initial volume of 0.8 m3 and contains astoichiometric mixture of octane (C8H18) gas and air at 2
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 O·m). The light bulb is plugged into a 120-V outlet and draws a current of 1.53 A. If the radius of the
The acid dissociation constant for benzoic acidC6H5CO2H is 6.5x10-5.Determine the equillibrium constant of each species in a 0.050Mbenzoic acid solution.
Find the charge on an oil drop weighing 3.18 x 10-14 N and suspended in a downward field of magnitude 3.31 x 104 N/C.
Write the aldol product that would be obtained if dibenzylketone condensed with itself. (Only a single condensation.) This product is not significant because benzil is more electrophilkicthan a simp
A rocket is launched at an angle of 50.0° above the horizontal with an initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2.
A coffee cup calorimeter containing 100 ml of H2O is used. The initial temeperature of the calorimeter is 23C. If 2.40 g ofCaCl2 is added to the calorimeter.
Two stationary positive point charges, charge 1 of magnitude 3.00 and charge 2 of magnitude 2.00 , are separated by a distance of 40.0 .
A boy pushes a 3.1 kg. book against a vertical wall with a horizontal force of 40 N. What is the minimum coefficient of friction that will keep the book in place without sliding?
4.6*102 mL of 0.028 M AgNO3 and6.2*102 mL of 0.018 M Na2CO3 aremixed together. Ksp for silver carbonate is 8.1* 10-12. What is the maximum concentration of Na2CO3 that could exist
A rock is dropped from a tall bridge into the water below. If the rock begins with a speed of zero and has a speed of 12 m/s just before it hits the water, what is the height of the bridge?