The speed of a sound wave traveling through air is 400 meters per second. The wavelength of the wave is 25 meters. What is the frequency of the wave? A. 16 hertz B. 425 hertz C. 0.0625 hertz D. 10,000 hertz

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Which of the following is the best explanation why some reactions appear to stop before all the reactants are converted to products? the reaction goes to completion. the reaction reaches equilibrium and the products stop being formed. the reversible reaction occurs at the same rate. the limiting reactant prevents the forward reaction occurring.