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In a dissimilar car, the distance the dummy moves while being stopped is decreased from 0.600 m to 0.250 m, Compute the average force on the dummy as car stops.
What are the relative abundances of the two isotopes when a 2 gram sample of hydrogen gas found at Los Alamos Laboratory was calculated to contain 1 gram of 1H and 1 gram of2H.
The tarnished silver haveAg2S and the tarnish can be removed by placing the silverware in an aluminum pan containing an inert electrolyte solution, such as NaCl. Discuss the electrochemical princip
A cylindrical cable having radius 8.83 mm carries a current of 20.1 A, uniformly spread over the cross-sectional area. At what distance (in mm) from the center of the wire is there a point in the wi
Pressure at sea level is 1013 millibars and that pressure decrease by 14% for every kilometer above sea level. Determine atmospheric pressure at 50 km?
At 7.6 pH an enzyme catalyzed reaction was carried out in a 0.22M Tris buffer. The pKa of Tris is 8.1. As a result of this reaction, 0.03 moles/liter of H+ was formed.
Determine the magnitude of (i) the magnetic field generated by the loop at its center and (ii) the torque on the coil due to the loop?
The current density within a long, solid, cylindrical wire of radius a = 2.8 mm is in the direction of the central axis and its magnitude varies linearly having radial distance r from the axis accor
Determine the practical advantage of having the organic solvent be more dense than water in extracting an organic compound from an aqueous solution.
Calculate the yield of aspirin if the experiment yield was 1.850g and the theoretical yield was 2.0051g?Determine the corrected percent yield?
A person of 79 kg sits on a 3.7 kg chair. All the leg of the chair makes contact with the floor in a circle which is 1.3 cm in diameter. Determine the pressure applied on the floor by each leg of th
Determine the number of moles and numbers of ions of each type are present in the following aqueous solutions? 259 mL of a solution containing 5.35 g/L aluminum sulphate moles of ions number of ions.
Give equation of locus of points such that difference in distances from (1.6) and (1.-6) is 10. Find curves and determine the point(s) of intersection.
The two baseballs, each having mass of .148 kg, are separated through a distance of 395 m in outer space, far away from the other objects. If the ball is free from rest, then what speed do they enco
If the equilibrium concentrations of N2 and H2 are 0.815 M and 0.595 M respectively, consider the reaction N2(g) + 3H2(g) ↔2NH3(g) K = 6.02 × 10-2 Determine the eq
The greatest distance among Halley's Comet and the Sun (aphelion) is 6.152 x 10^12 Compute the speed at aphelion.
Determine the number grams in 4.50 cubic feet sample of calcium phosphate which is having the density of 2.75 grams/cm^3. Determine the numbers of oxygen atoms are present in the sample?
Show the skeletal structure of the organic species which is having the carbonyl functionality required to form 1-phenyl-2-propanol upon metal-catalyzed hydrogenation.
Cautiously add 2 ml of concentrated nitric acid to the cold sulfuric acid and keep then iterating mixture in the ice-water bath. Prepare a nitrating mixture by cooling 5ml of concentrated sulphuric
In the cylinder if 30g of propane is mixed with the 100g of oxygen, and the reaction proceeds to completion, calculate the work done by the system on its surroundings during this process.
The liquid water which is having one mole, heated from 10C to 90C by the two different processes. In the first, the water is first brought into contact with a hot plate maintained at 50C until therm
Determine point of intersection between the equations y = 3x + 4,2x + 3y = 10 5x + 5y = 0, y- 7 = 3(x + 4) 1/2y + 2x - 3 = 0, 1/5y - 4 = 2/3(x - 6) 2y + 3x = 5 - 2x, y - 2/2x + 3 = 4.
What would the product be and why, if methyl m-nitro benzoate were nitrated a second time. Consider the directing effect of the ester and first nitro group on the addition of the second nitro group
After cementation Cu and Ni, in zinc refining plant are precipitated out of the sulphate solution. How can the copper and nickel be separated after the solid/liquid separation.
The circular plate is being heated so that radius is increasing at the rate of 0.09in/h. How fast is area increasing when the radius is = 15 inches?