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The ionic compound NaBr is soluble in water. Calculate the osmotic pressure (in atm) generated when 8.56 grams of sodium bromide are dissolved in 94.1 mL of an aqueous solution at 298 K. The van't Hoff factor for NaBr in this solution is 1.73.
A helicopter lifts a 70 kg astronaut13 m vertically from the ocean by means ofa cable. The acceleration of the astronaut is g/10.
A Gaussian Surface in the shape of a right circular cylinder with end caps has a radius 17.3 cm and a length of 83.3 cm. Through one end there is an inward magnetic flux of 27.7 uWb. At the other end there is a uniform magnetic field of 1.27 mT, norm..
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. the
A converging lens of focal length 8.490 cm is 19.8 cm to the left of a diverging lens of focal length -5.83 cm. Find the magnification of the coin's final image
What methods will NJDEP use to inform the contractor of privately held submerged land parcels that cannot be entered?
A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N. What is the kinetic energy of the satellite in this orbit
A gymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 106 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
1. Which one of the following is required for electric potential?
The hydrogen atom consists of a proton of mass 1.67*10^-27Kg and an orbiting electron of mass 9.11*10^-31kg. In one of it's orbits, the electron is 5.3*10^-11m from the proton. what is the mutual attractive gravitational force between the electron..
An n-type semiconductor has a donor concentration of 1*10^13 cm^-3. If the equilibrium electron concentration is 1.2*10^13 cm^-3
An Olympic high jumper wants to cross a bar 1.9 m off the ground while mantaining a velcity of 1.48 m/s. How fast does she have to run to accomplish this
A cube of balsa wood (side length = 0.25 m) is tied with a string to the bottom of a water- filled container. The wood is completely immersed. What is the tension in the string?
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