Consider the equilibrium: hcooh(aq) + f-(aq) < > hcoo-(aq) + hf (aq) given that the ka of hcooh = 1.8 x 10-4 and the ka of hf = 6.8 x 10-4, calculate the equilibrium constant and predict whether the equilibrium favors reactants or products. 0.265; reactants 3.8 x 10-8; reactants 3.0 x 10-9; reactants 3.8; products

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.