If you closely examine a wood screw, you will see that the threads on it form a long wrapped around a cylinder.
a) wedge
b) pulley
c) inclined plane
d) wheel and axle

Water ionizes by the equation h2o(l)⇌h+(aq)+oh−(aq) the extent of the reaction is small in pure water and dilute aqueous solutions. this reaction creates the following relationship between [h+] and [oh−]: kw=[h+][oh−] keep in mind that, like all equilibrium constants, the value of kw changes with temperature.

How much energy is made when a pice of wood burns. how do you know

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.