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A supertaker filled with oil has a total mass of 6 * 10^8 kg. If the dimensions of the ship are those of a rectangular box 300 meters long, 80 meters wide, and 40 meters high, determine how far the
What is the total amount paid for a $150,000 loan under these conditions? How much interest will be paid over the life of the loan?
What is the pH of a buffer prepared by mixing 53.0 mL of 0.050M sodium bicarbonate and 19.6 mL of 0.10 M NaOH.(Carbonic Acid: pKa1 = 6.35, pKa2 = 10.33)
What is the pH of the buffer after the addition of 0.0150 mol of HCl to 850. mL of buffer? You mayassume that there is no volume change upon addition of the acid.pKb(ammonia) = 4.75.
A solid metal sphere of radius a = 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b = 3.50 cm and outer radius c = 4.00 cm. The inner sphere has a net charge of Q1 = 4.7
Find the radius of the circle if an arch of length 6 meters on the circle subtends a central angle of pi/6 radians. How long is the arc through which the weight moves from one high point to the next h
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL) of 0.10 M AgNO3. What is the minimum number of grams of Cl- that must be present in order for AgCl
A U.S. $20 gold piece has a mass of 33.44 grams and displaces 1.935 cm^3 of water. If the coin is known to consist of only gold (Pau = 19.3 g/cm^3) and copper ( Pcu = 8.9 g/cm^3), what is the percen
Determine the time it takes for the electron to leave the "field-filled" region, noting that its path is a semicircle.
What volume of0.330 M acetic acid is needed to reach the equivalence point in the titration of 31.2 mL of0.0480 MKOH? Write the name and the chemical formula for the salt formed during
A 2.00 -long, 480 rope pulls a 6.00 block of ice across a horizontal, frictionless surface. The block accelerates at 2.00 . How much force pulls forward on (a) the ice, (b) the rope?
Andrea flew at 170 mph on a course with a bearing of 80 degree, and Carlos flew at 230 mph on a course with a bearing of 120 degree. How far apart were they after 6 hours.
A saturated solution of cesium perchlorate, CsClO4, inacetone, CH3COCH3, contains 0.03g ofCsClO4, in 20.0mL of acetone at 25 degrees C. The density of acetone at this temperature is 0.7887 g/mL.
From city A to city B, a plane flies 850 miles at a bearing of N 58deg. E. From city B to city C, the plane flies 960 miles at a bearing og S 32deg. E. Find, to the nearest tenth of a mile, the dist
How many truckloads of each brand should be used to provide the required potash, nitrogen and phosphoric acid? Please Show work.
What is the minimum amount of succimer that must beinjected to bind all the lead in a patients bloodstream? Assume that one male of succimer binds with one mole of lead. Assume that patients have 5.
A 7.80-g bullet moving at 630 m/s penetrates a tree trunk to a depth of 6.00 cm. a) Use work and energy considerations to find the average frictional force that stops the bullet. b) Assuming the fri
If you were to construct a galvanic cell for the purposes of studying this reaction, what is the standard cell potential(E°) that you would measure?
An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT. The angular momentum of the electron about the center of the circle is 4.00 kg m2/s. Determine (
In a right triangle the length of a leg is 10, and the angle between that leg and the hypotnuse is 40°. Find the length of the hypotnuse and the other leg.
A hard water solution contains 48.0g calcium chloride. How much sodium phosphate in grams should be added to the solution to completely precipitate out all of the calcium?
An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT. The angular momentum of the electron about the center of the circle is 4.00 m kg m2/s. Determine
Estimate the amount of the drug in the body 7 hours after the initial dose. What percentage of the drug still in the body is eliminated each hour?
The French TGV train and Japanese "bullet train" reach speeds of up to 180 mph with wheels moving on tracks about 1.5 m apart. At top speed moving perpendicular to the earth's magnetic field, what p
You take a 30 ml sample of pond water and test it with yoursampling kit. You find that the water contains 20 ppm ofphosphates. You weight the sample and find that its mass is31 g. What is the mass o