How many grams of ammonia gas were reacted
Ammonia gas combines with excess oxygen gas to produce nitric oxide and water. If 256 kJ of energy were released in such a reaction,how many grams of ammonia gas were reacted?4 NH3 + 5 O2 → 4NO + 6 H2O ?Hº = - 1170 kJ
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A 2.6 kg block of wood sits on a table. A 3.0g bullet, fired horizontally at a speed of 550m/s , goes completely through the block, emerging at a speed of 250 m/s. What is the speed of the block immediately after the bullet exits?
Estimate the time required to fill the tank if the pressure in the pipe at a section 10m upstream of the exit is measured as 5 times 10degree N/m2.
Your science fiction writer friend has another harebrained idea. She wants to launch ore mined on the Moon to a processing station in orbit around the Earth. Bins with 1000 kg of ore will be launched by means of a large spring. Her spring cannon w
An electron is in a uniform magnetic field B that is directed out of the plane of the page. When the electron is moving in the plane of the page from the top of the page to the bottom, the force on the electron is directed:
Ammonia gas combines with excess oxygen gas to produce nitric oxide and water. If 256 kJ of energy were released in such a reaction, how many grams of ammonia gas were reacted?
Two parallel conducting plates are connected to a constant voltage source. The magnitude of the electric field between the plates is 2,000 N/C. If the voltage is doubled and the distance between the plates is reduced to 1/5 the original distance,
Draw the cycle on a T-s diagram and calculate (b) the specific heat added (kJ/kg) , (c) the specific heat rejected (kJ/kg), and (d) the thermal efficiency of the cycle.
Heated Air at 1 atm and 100 F is to be transported in a 400-ft-long circular plastic duct at a rate of 12ft^3/s. If the head loss in the pipe is not to exceed 50 ft, determine the minimum diameter of the duct.
If the arm is 5.00 m long and pivots about one end, at what angular speed (in rpm) should it spin so that the acceleration of the lander is the same as the acceleration due to gravity at the surface of Europa?
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