Describe the two types of mechanical energy

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 many atoms of oxygen are contained in 160 grams of n2o3

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f