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If the explorer now takes 59 steps northeast, then 38 steps 60 degrees north of west, then 89 steps due south, how many steps will it take for him to get back to his hut if he goes in a straight lin
You are asked to analyze powdered Gatorade. Two (2) scoops ofGatorade, the recommended quantity for one glass of water, weighted 52 g and took 20.8 mL of a 0.0094 M IO-3 solution to reach the starch
A continuous line of charge lies along the x axis, extending from x 5 1x0 to positive infinity. The line carries positive charge with a uniform linear charge density l0. What are (a) the magnitude a
If .150mole of nonvolatile nonelectrolyte solute is dissolved in 800 gramsof water, what are the ideal melting point and boiling points of the solution?
Sphere 1 has charge +2.30 10-8 C. Sphere 2 has charge of -3.30 10-8C. Assume that the separation is large enough for us to assume that the charge on each sphere is uniformly distributed (the spheres
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 9.00R1 is far from sphere 1 and initially uncharged. The separated spheres are then connected with a wire thin enough to retain o
Divers often inflate heavy duty balloons attached to salvage items on the sea floor. If a balloon is filled to a volume of 3.00 L at apressure of 2.50 atm, what is the volume if the balloon when it
An electron with an initial speed of 4.50×105 {\rm{ m/s}} is brought to rest by an electric field. What was the potential difference that stopped the electron?
The ball is launched at an angle of 58.3 ° above the ground. Determine the (a) horizontal and (b) vertical components of the launch velocity.
A student carried out a reaction that transform edcyclohexanol into cyclohexanone. Would it be easy for her todistinguish these compounds using NMR and IR?
Two point charges lie on the x axis. A charge of + 9.5 µC is at the origin, and a charge of -6.5 µC is at x = 10.0 cm. (a) What is the net electric field at x = -4.0 cm?
Calcualte the concentration of lycopene given that the molar absorption of lycopene at 471 nm is 1.85 x 10^4. B). calculate the mass of lycopene in 3. 0 ml of the solution having the concentration y
A charge of -4.87μC is located at the origin, and a charge of -5.52μC is located along the y-axis at 1.03917m. At what point along the y-axis is the electric field zero? The value of the Coulo
Suppose a patient is given 155mg of I-131, a beta emitter with a half-life of 8.0 days. Assuming that none of the I-131 is eliminated from the person's body in the first 4.0 hours of treatment, wha
If the distance from point A to point B is 0.50 m, what is the change in the proton's electric potential energy, EPEB - EPEA?
What kind of precautions need to be taken when working with Grignard reagents? In addition, which of the following types of functional groups react with Grignard reagents: alkenes; terminal alkynes;
What is th capacitance of a parallel plate capacitor where the plates have an area 5 sq meters and are separated by a distance of 2 millimeters?
A stone is dropped in still air from the deck of a high bridge. The sound of the splash reaches the deck 3 seconds later. If sound travels 1120ft/sec in still air, how high is the deck above the wat
A saturated solution of barium chloride at 30C contains 150 g water. how much additional barium chloride can be dissolved by heating this solution to 60C?
What is the electric field magnitude at the point(4,0) due to a charge at the origin (0,0)? what is the magnitude of the electric potential at the point (4,0) due to the +3 charge?
If 5.0 x 105 J of work is required to make the car go one mile, how many miles can the car travel on one gallon of gas?
The hydrolysis of methyl acetate into CH3OH and CH3COOH in 1M HCLhas been studied at 25 degrees C. The extent of hydrolysis was measured by titrating the acid formed after measured time intervals wi
Identical point charges of +3.0e-6C are fixed to 3 of the 4 corners of a square. What is the magnitude q of the negative point charge that must be fixed to the fourth corner, so that the charge at t
A charge of -4.0 nC is at the origin and a second charge of 11.0 nC is at x = 5.00 m. Find the magnitude and direction of the electric field halfway in between the two charges.