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A student needed approx. 400mL of a 0.1 M solution of NaOH. The only solution available in the lab was a 6M NaOH solution. How much water and how much of the 6 M NaOH should be added together to make the desired solution? Use three significant figures in your answer.
A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. What are the original speeds ofthe father
A quarterback throws the football to a stationary receiver who is 21.3 meter down the field. Find at what initial speed must the quarterback throw the ball for it to reach the receiver
In Figure 3, where V23 = 3.00V1, n moles of a diatomic ideal gas are taken through the cycle with the molecules rotating but not oscillating (CV =5R/2 ). Calculate the heat Q12 for process 1→2.
Two speakers, one directly behind the other, are each generating a 245-Hz sound wave. What is the smallest separation distance between the speakrs
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going if it only compressed the spring 0.500 m?
A rigid conducting loop has the shape of an equilateral triangle with sides a = 42 cm. Each side of the loop has aresistance of R = 3 W. Anexternal torque forces the loop to rotate at constant speed at anangular rate of 7 cycles per second about i..
Why do you think that infusion of ketone bodies adjusted is usually accompanied by a small increase in extracellular bicarbonate, but infusion of sodium.
What minimum speed does a 130g puck need to make it to the top of a frictionless ramp that is 4.3m long and inclined at 20o
An astronaut has two objects that are identical in all respects,except that one is painted black and the other is painted silver. Initially, they are at the same temperature.
Two forces, (F1_vec) and (F2_vec), act at a point. (F1_vec) has a magnitude of 8.40N and is directed at an angle of 57.0 deg above the negative x axis in the second quadrant. What is the magnitude of the resultant force
a nonconducting thin layer carries charge with a uniform density of 8.30 microccm2.a what is the electric field 8.55 cm
A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 21.1 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.
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