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Each step in the process has a 60 % yield. CH4 +4 Cl2 ----> CCl + 4HCl CCl4 + 2HF ---> CCl2F2 + 2HCl
The CCl4 formed in the first step is used as a reactant in the second step. If 2.50 mol of CH4 reacts, what is the total amount of HCl produced? Assume that Cl2 and HF are present in excess.
The coefficients of kinetic and static friction between a 1000 lb refrigerator and flor are .4 and .45. when at rest the refrigerator is pushed with a horizontal force of 300 lb. what is the force of friction between the fridge and the floor?
In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis, what rate of revolution is needed
Suppose you are climbing up stairs, gaining 10 meters of height per minute. In order to do that, your body has to do some work, using energy, at a given rate. What is the power produced by your body? Ignore energy losses.
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.67 m above the bottom of the chute and with an initial speed of 1.97 m/s
A football is kicked at ground level with a speed of 15.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground
A ferris wheel with radius 14.0m is turning about a horizontal axis through its center. What is the magnitude of the passenger's acceleration as she passes through the lowest And highest Point in her circular motion in m/s^2
A small ball of mass 50 g is suspended from a string of length 66-cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 21? with the vertical, find the centripetal force experienced by ball. The acceleration of ..
Suppose a 55 kg person stands at theedge of a 5.5 m diametermerry-go-round turntable that is mounted on frictionless bearingsand has a moment of inertia of 1500kgm2. Calculate the angular velocity of the turntable
Heat is extracted from a certain quantity of steam at 100degrees C. As a result, the steam changes into ice at 0.0degrees C. what would be the linear speed of ice
A 4.25 bullet traveling horizontally with a velocity of magnitude 375 is fired into a wooden block with mass 1.10 , initially at rest on a level frictionless surface. The bullet passes by the block and emerges with its speed reduced to 110 .
A 66-kg man standing on a scale in an elevator notes that as the elevator rises, What is the acceleration of the elevator
A 240kg block with mass density of 1200kg/m^3 was accidentally dropped into water and sink. What force should be applied to the block to pull it out of water
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