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1. The number of people this planet can support is largely determined by the amount of ammonia-based fertilizer that can be produced. Without the ability to chemically manufacture ammonia, the world's population would be closer to 1/6 of its current size. Since the early 20th century, ammonia has been produced via the process shown below.
3 H2 + N2 > NH3
How many grams of ammonia are produced when 24.00 g of H2 react?
The angle of elevation theta is increased slowly from the horizontal. Illustrate at what value of theta does the block begin to slide (in degrees)?
If you shoot a steel ball straight up into the air from a flat surface, and it takes 20 seconds to hit the ground (wear a helmet!), how fast is the ball moving when it hits the ground?
A particle known as a pion lives for a short time before breaking apart into other particles. What is the lifetime according to a hypothetical person who is riding along with the pion
A .41m copper rod w/ mass .17 kg carries a current of 13A in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field
In a simplified model of a hydrogen atom, the electron moves around the proton nucleus in a circular orbit of radius 0.53 × 10^?10 m, Determine the period of the circular motion
A 99.5 kg horizontal circular platform rotates freely with no frictions about its center at an initial angular velocity of 1.77 rad/s. Find the angular velocity of the platform with its load
The image behind a convex mirror (radius of curvature = 72 cm) is located 14 cm behind the mirror. Where is the object located? What is the magnification of the mirror?
What type of device consists of a coil with a moveable iron core?
Two point charges are located on the y-axis as follows: one charge q1 = -1.00nC located at y= -0.615m, What is the magnitude of the total force
Calculate the maximum acceptable propagation loss, given that the transmitter power is 10 Watts, the transmitter feeder loss is 6 dB, the base station antenna gain is 12 dBi, the mobile antenna gain is 1 dBi, and the mobile feeder loss is 1.5 dB.
(a) How close to the right-hand edge of the plank can the painter walk before tipping the plank and spilling the paint? (b) How close to the left-hand edge can the same painter walk before causing the plank to tip?
The two angled are used to support the crate. The tension in the ropes can have any value up to 1500 N. What is the largest mass the rope can support
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