What is the empirical formula for a compound that is 67.6% mercury, 10.8% sulfur, and 21.6% oxygen

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

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