Example 2: If you have 3.7 x 1022 molecules of water, how many
moles of water do you have?

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.

Which type of fossil does this image depict?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years