Which of these substances is a pure substance?
1. hydrogen gas
2. the liquid called tea
3. coca cola

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.

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude