Density is a measure of an object's per unit

Find the mass in grams of 1.37x1020 particles of h3po4

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

In apex! a liquid heated beyond a certain temperature becomes