The diagram above shows a food web. Which of the following food chains represents how energy flows in the food web? A:Coyote → hawk → duck → heron

B:algae → brine shrimp → duck → hawk

C:plants → grasshopper → duck → heron

D:hawk → mouse → grasshopper → plants

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.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *