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Hexane (C6H14) burns with air (21 % O2, 79 % N2) in stoichiometric proportions. Write the overall chemical reaction for this situation and determine the mole fractions for the C6H14, O2, N2 in the reactant mixture. Also determine the mole fraction of each species in the product mixture.
A 5.8 box is on a frictionless 39 slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.9 weight. Illustrate what is the tension in the string once the box begins to move?
A 100 kg scaffold is 6 m long. It is hanging with two wires, one from each end. A 500 kg box sits 1.6 m from the left end. What is the tension in the left hand side wire
A 1650-kg car is traveling at 34 m/s. How fast must a 91 kg bicycle and rider be traveling to have the same kinetic energy as the car.
When a satellite orbits the earth in a non-circular orbit which of the following is true.
As part of a carnival game, a 0.578-kg ball is thrown at a stack of 19.3-cm tall, 0.423-kg objects and hits with a perfectly horizontal velocity of 12.8 m/s. What is the center of mass velocity of the tall object immediately after it is struck
A 2.18-m-long diving board of mass 13.2 kg is 3.00 m above the water. It has two attachments holding it in place. what are the forces acting on the two attachments
A ceiling fan with 84cm diameter blades is turning at 61rpm. Assume the fan coasts to a stop 25 after being turned off. What is the speed of tip of a blade 10 s after the fan is turned off.
the space shuttle is in a 230 mile high orbit. what are the shuttles orbital period in minutes and its speed.
On the Moon, the average surface temperature is 127 ?C during the day and -183 ?C during the night. What is the corresponding change on the Fahrenheit scale
Two balls of identical mass of 0.151 kg and with identical charges placed on them hang from the ceiling on identical strings of lengths 1.510 m, what is the charge on each ball
If the bullet buries itself in the block, find out how far along the ground that the block lands from the base of the table.
In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots, Find the direction of the balloon's inital velocity
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