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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 twentieth century ammonia has been produced via the process shown below.
3 H2 + N2 -- 2 NH3
How many grams of ammonia are produced when 24.00 g of H2 react?
An electric vehicle starts from rest and accelerates at a rate of2.6 m/s2 in a straight lineuntil it reaches a speed of 20 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 untilit stops. How much time elapses from start tostop?
Two electrodes are placed in a calcium chloride solution and a potential dissimilarity is maintained between them. If 6.2*10 16 Ca 2 + ions and 8.5*10 16 C l ions per second move in opposite directions during an imaginary area between the ..
A 0.0369 kg bullet is fired horizontally into a 3.83 kg wooden block attached to one end of a mass less, horizontal spring (k= 828 N/m). The other end of the spring is fixed in place, and the spring is unstrained initially. The block rest on horizont..
A projectile is shot from the ground at an angle of 55 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. find the horizontal component of initial velocity
An electroscope has been charged by induction using an ebonite rod rubbed with fur. a charge object is brought close to the top of the electroscope and it was noted that the leaves of the electroscope opened further. identify the charge on the..
A 2.10 mass is pushed against a horizontal spring of force constant 26.0 on a frictionless air table. What is the greatest acceleration of the mass
A few bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.3 x 10-8 meter, Find the angular speed of this bacterial motor
A current loop lies in the xy-plane. It has a magnetic dipole moment of 0.1 A-^2 along the z axis. What is the magnitude of the net torque on the current loop
B= (3.0?T)k sin ((1.0 ×10^7 )x ??t ) x is in meters and t is in seconds, What is the direction of the electric field
A crying baby emits sound with an intensity of 8 × 10-8 W/m2. What is the intensity level for a set of twins? The lowest detectable intensity is 10-12 W/m2
The air temperature is 23 degrees Celsius and you are traveling at 38 m/s toward a speaker emitting a sound at 1100 Hz which is traveling away from you at 43 m/s. To the nearest Hz, what is the frequency you hear?
A 60.0 kg pole vaulter running at 12.0 m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump?
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