What happens to the density of a fluid when its heated?

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.

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a