)a reaction which forms a solid product is an example of a(n): a. oxidation-reduction reaction. b. combustion reaction. c. precipitation reaction. d. gas evolution reaction.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?