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A student begins with 10.0 mL of a 0.16 M CuSO4 solution and performs the reaction shown. She recovers 0.077 grams of copper metal. CuSO4 + Zn = Cu +ZnSO4. What is the theoretical yield of copper in grams? What is the actual yield of copper in grams? What is the percent yeild of copper?
A 2.46×10^4 rocket blasts off vertically from the earth's surface with a constant acceleration. Throughout the motion considered in the problem, suppose that remains constant. Inside the rocket, a 15.10 instrument hangs from a wire that can support a..
Two blocks rest on a horizontal frictionless surface. (top block weighs xkg, the bottom box weighs 10kg). what is the mass of the top box
in reaching her destination a backpacker walks with an average velocity of 1.22 ms due west. this average velocity
Two positive point charges, each 12\mu C , lie along the x-axis at x = -0.10m and x = +0.10m. Find the electric field at the point (0, 0.25m ) on the y-axis
A researcher records the levels of attraction for various fashion models among college students. He finds that mean levels of attraction are much higher than the median and the mode for these data. What is the shape of the distribution for the..
A 3.00-kg mass undergoes an acceleration given by a = (2i+5j ) m/s2. The magnitude of the net force is
A Chevrolet Corvette convertible can brake to a stop from a speed of 60.0 mi/h in a distance of 123 ft on a level roadway. What is its stopping distance on a roadway sloping downward at an angle of 30.0°
A gamma ray of 810 keV energy Compton scatters from an electron. Find the energy of the photon scattered at 110°, the kinetic energy of the scattered electron, and the recoil angle of the electron.
A velocity vector 58degrees above the positive x-axis has a y-component of 15m/s. What is the value of its x-component
A electromagnetic monophonic wave of frequency 600*10^12Hz (green light ), propagating in the positive x direction in a vacuum, has an electric feild amplitude of 42.42 V/m. The wave is linearly polarized such that the plane vibration of the electric..
A car of mass 2200 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and the truck's velocity just before the collision was..
A cheetah is after its prey, which has a mass that is one-half that of the cheetah. When both start from rest, the cheetahsustains 2.50 times the acceleration as does its prey in the same time period.
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