Which equation is balanced? 2Al+3O2→Al2O3

2Na+F2→2NaF

Mg+O2→2MgO

2Al+F2→2AlF3

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.