An element initially weighed 3.555 g. when it was burned in oxygen an oxide compound was produced. the product mass was 4.666 g.

a.) what is the mass of oxygen in the product?

b.) what is the mass percent of oxygen in the product? show all work ( including working formula, setup and unit).

Matches the chemical name of each oxide of phosphorus to its chemical formula

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What must be in balance for temperatures to remain constant?