How many total hydrogen atoms are in the solution
A solution of ammonia and water contains 3.30×1025water molecules and 6.90×1024 ammonia molecules.How many total hydrogen atoms are in this solution?
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A car moving with constant acceleration covered the distance between two points 60 m apart in 6 s. its speed as it passes the second point was 15 m/s what is the speed at the first point?
Conduct the appropriate analysis of these data and determine whether there are any significant differences.
Compute the volume fraction of precipitates in both steps 1 and 2. Consider that the density of the precipitates is the same with that of the solid solution and is independent of the Cu concentration.
Equal and opposite 5 μC point charges are located at the points y = ± .5 mm ( + 5 μC at y= + .5 mm and -5 μC at y = -.5 mm) . Find the force acting on a 2 μC point charge when it is located at each of the following site
Consider two spheres with two masses and two charges. At a distance of 119.0 m, the ratio of the electric force to the gravitational force is f. As a multiple of f, what is the ratio between the forces when the distance is increased by a factor of
A researcher believes exercise reduces anxiety in women. She identifies a group of women who had not exercised before but are now planning to begin exercising.
A boat of length 50 m is designed to cruise at 30 mph and is to be tested in a tow tank with a model of length 0.5 m. What is the appropriate model tow velocity in m/s?
Osmotic pressure is often used to determine the molar mass of large molecules; however, errors can be introduced into the calculationif the sample is not purified.
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