Which compound contains both sigma and pi bonds? hccl3 h2co h2s hbr

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

How manyatoms of mercury are in 1.4214e+1 ml sample

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball