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Give examples of some reactions whose mechanism is unknown or the mechanism changes every time ?

How can we complete the table below? Please provide the working out for everything because I want to clearly understand everything.

Question #531b1

A model train with a mass of #5 kg# is moving along a track at #16 (cm)/s#. If the curvature of the track changes from a radius of #88 cm# to #28 cm#, by how much must the centripetal force applied by the tracks change?

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How can you tell the difference between an ester, ketone, carboxylic acid, aldehyde, amines, amides and phenol?

Why do some molecules (like water) form polar bonds and others like carbon dioxide do not?

How do bases work?

Question #8fa40

Why is absolute ethanol rather than 95% ethanol used in an experiment for the preparation of Benzocaine?

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How do you solve #4 x^2 – 3x + 3 = 0# using the quadratic formula?

How do the 3 states of matter differ from one another?

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What is a flame test used for?

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How can inertia be measured?

How do you find the volume of the region enclosed by the curves #y=x#, #y=x#, and #x=1# rotated about the y axis?

In outer space, a constant net force of magnitude 137 N is exerted on a 30.8 kg probe initially at rest.What acceleration does this force produce? How far does the probe travel in 13.0 s?

How does the acceleration of an object depend on the net force acting on it if the total mass is constant?

Question #8cf4e

How do you measure the volume of a solid?

What is the slope and intercept for #2xy=1# and how would you graph it?

Question #0989a

How might infrared spectroscopy be useful in pharmacy?

What is the derivative of #x*x^(1/2)#?

How do you simplify (3x)/(2y3) + (2x)/(3y2)#?

Question #32c47

What is the #%(v/v)# of a #"1050 mL"# solution containing #"93.3 mL"# acetone?

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