What would be the purpose of refluxing the rxn mixture
When performing sn2 chemistry- synethesis of 1-bromobutane from butan-1-ol, what would be the purpose of refluxing the RXN mixture for 30 minutes instead of just boiling and what would need modified if you used 1-chlorobutane instead?
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A 250 g disk moving north at a speed of 8 m/s on a frictionless, horizontal air table collides with a 400 g disk moving east at a speed of 5 m/s. a) what is the magnitude of the total momentum after the collision?
What is the maximum force in N that can be supported by the wire if the design stress is 95.5 MPa and allowable deformation is 1.2 mm? The wire is made from stainless steel.
If the processing is changed such that the spacing between the particles increases by a factor of 3.3, what is the new yield strength? Express your answer in MPa to one decimal place.
Consider a continuous random variable X with the following pdf: f(x) = ( (1/2)x + (1/4) for 1 <= x <=c, 0 otherwise, where c is an unknown constant. What value of c makes f a valid pdf? (use this value c for remaining questions)
The weekly repair cost Y for a machine has a probability density function given by
A 50.0 kO resistor is connected with a 30.0 µF capacitor and a 15.0 V battery with negligible internal resistance. Find the time for the capacitor to be charged from 0 to 75% of its maximum charge.
If plastic deformation begins at a tensile stress of 4 MPa, determine the critical resolved shear stress (in MPa) on this slip system. Your answer should be expressed to two decimal places.
How much work does each force perform on the box while the box moves 5 meters?
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