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Express KE = 1/2 m v ^2 for a variable force that accelerates a mass m to a velocity v starting from rest. Describe carefully. When you have any constants of integration describe how you deal with t
Determine the numbers of grams of each of the following substances will dissolve in 100 ml of cold water? Consult your handbook. Ce (IO3)4,RaSO4, PB(NO3)2, (NH4)SeO4.
Tarzan grasps a 35 meter long vine and swings down from his tree. The vine at first makes an angle of 32 degrees with the vertical. Determine how many meters per second is Tarzan going as he falls o
The open-topped box is made from the piece of cardboard which is 16 inches by 31 inches by cutting squares of equal size from each corner and bending up flaps. Determine the function which models vo
Calculate the actual area covered by a single CO molecule on the tungsten surface if you use the width of the CO molecule as the diameter of a CO molecule.
After descending 200 feet vertically she comes to 79 feet of level snow having a mu of .51. She then goes up a 35 degree slope, again without friction. Determine how many feet (vertically) is she ab
Determine the chemical potential difference when the intracellular[Na+] = 10 mM and extracellular [Na+] = 150mM at 37 degrees Celsius
At 25 degrees Celsius a 1- Liter flask is filled with the 1.30g of Argon. A sample of ethane vapor is added to the same flask until the whole pressure is 1.00atm. Determine the partial pressure of
What was the molarity of CaCl2 in the solution when 9-Bone was dissolved in hydrochloric acid, giving 45.0 mL of solution containing the calcium chloride, CaCl2 and to precipitate the calcium i
A "bound" particle signifies to one for which there is no probability of finding it outside some finite confines. Could a bound particle be completely still?
The rectangle has the area of 34 square meters. Write the quation for area if lengths of sides are x and y. Determine the function which models its perimeter P in terms of length x of one of its sides
The two of the fragments move with the similar speed right after the explosion as the whole projectile had just before the explosion; one of such moves vertically downward and the other horizontall
Explain at what volume of a solution of ethylene glycol,C2H6O2, that is 57.2% ethylene glycol by mass contains 0.340 mol C2H6O2 and which is having the density of the solution1.072 g/mL.
An ac circuit consists of a resistor of 20.0 ohm and an inductor of 35.0 mH in series. The circuit draws a maximum rms current of 2.0 A if operating at 60 Hz and 120 v rms. Sketch phasor diagram and
In the atmosphere the hydroxyl radical (OH) is an important oxidizing agent. At 298 K the rate constant for the reaction of OH with benzene is 1.24 x 10-12cm3 molecule -1 s&
Prepare a sketch representing direction of magnetic field, orientation of coil and direction of flow of current. Do not require drawing all 40 turns, simply one turn will work.
Suppose you have 75.0ml of a 2.50M solution of Na2CrO4 (aq) and you also have 125mL of a 1.92M solution of AgNO3 (aq). Determine the concentration of Ag+ when the two solutions are added together.
A cube of iron is hanged by a cord in a tank of water. The length of a side of the cube is around 5.0 cm. When the cube is fully immersed in the water, evaluate the tension in the cord.
Explain what volume of 0.500 M CaCl2 solutions is required to prepare the 250 mL of solution that has a chloride concentration of 0.100 M?
The two bodies encompass the similar shape and size; however one is denser than the other. Which body, if either, consists of the greatest buoyancy in the air?
By taking 10.0 mL of the unknown a student does a standard addition experiment, adding different volumes of the Fe(II) standard, adding the appropriate reagents and diluting to the mark in a 50.0mL
A certain LCD projector includes a single thin lens. An object of 24.2 mm high is to be projected so that its image fills the screen 1.78 m high. The object-to-screen distance is 2.94 m. (i) Find o
Calculate the maximum mass of CaO(s) in grams that could be prepared from 9.24 g of Ca(s) and 2.23 g of O2(g) when the Calcium reacts with oxygen to make calcium oxide, CaO.
A thick 1.0m dive platform made up of yellow pine (density of yellow pine is 550kg/m^3) is floating in the water Determine how much of the 1.0m thick platform (in meters) is sub-merged?
Determine the numbers of gallons of water (d = 1.0g/mL) are required to fill the pool to an average depth of 4.5 ft?