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What's the mass of pure H2SO4 that can be obtained from 250 grams of iron ore if the ore is 82.0%w/w FeS2 The rxns involved with its efficiencies: 4FeS2+11O2-> 2Fe2O3+8SO2 (95%) 2SO2+O2-> 2SO3 (90%) SO3+H2O-> H2SO4. (90%)
Velocity and acceleration: consider a velocity vector given in standard unit vector form in rectangular Cartesian coordinates as: v→(t) = (3t4i^ + 7t5/2j^ + 5e2tk^)m/s -What is the acceleration at 2 seconds?
question a cell with .25 m internal concentration is placed into pure water. what is the pressure difference across the
A banked circular highway curve is designed for traffic moving at 63 km/h. What is the minimum coefficient of friction between tires and road that will allow cars to take the turn without sliding off the road
A bullet with mass 5.29 g is fired horizontally into a 2.192-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 220 m/s. Find the emf induced between the wing tips
a 4.58 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force f11.40 n at an angle
Suppose a child walks from the outer edge of a rotating merry-go round to the inside. Does the angular velocity of the merry-go-round increase, decrease.
Draw a diagram showing the direction of the incoming puck, the orientation of the string, and the direction of motion of the puck on the string after the elastic collision.
The capacitor in an RC circuit (R = 120 ohms, C = 45 muF) is initially uncharged. Find the current in the circuit one time constant
A small but measurable current of 7.70 E-10 A. exists in a copper wire whose diameter is 0.05 cm. Calculate the electron drift speed (in meters/second)
Refer to the NASA Percent Weight Loss and NASA Fe cases in. Reflect on your responses to these problems. Does it appear Fe content is related to percent weight.
You are on a cruise ship traveling north at a speed of 9 m/s with respect to land. what is your velocity with respect to the land
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