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a) Nitrogen and hydrogen react to give ammonia in a combination reaction. Write and balance the equation.
(b) Electrolysis can decompose KCl into its elements. Write and balance the equation.
A 10 kg balloon is filled with helium. Its volume is 200 cubic meters. How much gold can it carry in air? How much gold can it carry in water?
A .012Kg bullet is fired horizontally into a 2Kg block that is initially at rest on a table as shown. The bullets initial veloctiy is 300m/s. The coefficient of kinetic friction between the block and the table is .40. what is the initial kinetic e..
q1. presume the gravitational field vector of a spherically symmetric mass distribution is a constant i.e. independent
the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
An experiment is performed in deep space with two uniform spheres, one with mass 22.0 kg and the other with mass 108.0 kg. Find the magnitude of the relative velocity with which one sphere is approaching to the other
A block of mass 4.0 kg lies on a horizontal surface. The coefficient of static friction among the block and the surface is 0.470. By raising one end of the surface, the angle (relative to horizontal) of the surface is slowly increased.
About two-thirds of human body mass consists of water.Determine the volume of water in a 90-kg person.
A 1 kg block of Al is heated at atmospheric pressure so that its temperature increases from 22.0 degrees C to 40.0 degrees C. calculate The work done by the Al block
Whole blood has a surface tension of 0.068 N/M & a density of 1050kgm-3.what weight can whole blood rise in a capillary blood vessel that has radius 2.0 x 10-6 if the contact is zero.
A 15,000 kg loader traveling east at 20 km/h turns south and travels at 25 km/h. Calculate the change in the loader's
Calculate the solar constant at the location of Venus, and estimate what the average surface temperature of Venus would be if it had no atmosphere and did not reflect any sunlight.
In a Young's double slit experiment, the seperation between the slits is 1.20x10-4m; and the screen is located 3.50 m from the slits. What is the wavelength of the light used in this experiment
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