3. Chemical Reactions

Which of the following lists the reactants in the chemical equation: HCl(aq) + NaHCO_3(aq) → CO_2(g) + H_2O(l) + NaCl(aq)?

Which statement is true for balanced chemical equations?

In the chemical reaction 2H₂ + O₂ → 2H₂O, what are the products?

Which of the following statements correctly describes the chemical equation: 2KClO_3(s) → 2KCl(s) + 3O_2(g)?

Which set of coefficients correctly balances the chemical equation: Mg + O_2 → MgO?

In the chemical equation 2H₂ + O₂ → 2H₂O, what are the reactants?

Given the following intermediate chemical equations:1) C_2H_6 + O_2 → CO_2 + H_2O2) 2C_2H_6 + 7O_2 → 4CO_2 + 6H_2OWhich of the following is the correctly balanced final chemical equation for the complete combustion of ethane (C_2H_6)?

What is the primary purpose of adding a coefficient to a chemical equation?

Which of the following chemical equations is balanced?

Which of the following is the correctly balanced chemical equation for the reaction between hydrogen gas and oxygen gas to form water?

When balancing a chemical equation, which of the following must be true?

Which of the following is the correctly balanced chemical equation for the reaction: io3−(aq) + h2so3(aq) → i2(aq) + so42−(aq)?

What is the correct coefficient for O_2 needed to balance the chemical equation: C_3H_8 + O_2 → 3CO_2 + 4H_2O?

Which of the following chemical equations is NOT correctly balanced?

In the process of balancing chemical equations, which numbers must remain unchanged?