Calculate the [OH-] (25 °C) of an aqueous solution of 0.0125 M HNO3. Kw = 1.00 x 10^–14 = [H+][OH-]

What is a difference between a mixture of elements and a mixture of compounds

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol