HF + NaOH ---> NaF + H2O If you need 1785 g of NaF (sodium Fluoride) how many grams of HF (hydrofluoric acid) do you need?

In an energy pyramid, which level has the most available energy?

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead