Calculate the ph during the titration of 30.00 ml of 0.1000 m ch3ch2cooh(aq) with 0.1000 m lioh(aq) after 20 ml of the base have been added. ka of propanoic acid = 1.3 x 10-5.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

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From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor