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3. Chemical Reactions

Balancing Chemical Equations

3. Chemical Reactions

Balancing Chemical Equations

Multiple Choice
Which of the following is the correctly balanced equation for the reaction: Na2CO3(aq) + NiCl2(aq) -> NaCl(aq) + NiCO3(s)?
Open Question
When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H₂, is produced with the formation of an aluminum chloride, AlCl₃, solution. Write the balanced chemical equation showing the phases of reactants and products.
Multiple Choice
What are the balanced coefficients for the reaction: Na3PO4(aq) + AlCl3(aq) → NaCl(aq) + AlPO4(s)?
Open Question
What is the coefficient in front of the no when the equation below is balanced? NH₃(g) + O₂(g) → NO(g) + H₂O(g)
Multiple Choice
Which of the following is the balanced molecular equation for the reaction between NaOH and HNO₃?
Multiple Choice
Which of the following sets of reactants correctly balances the chemical equation for the formation of water: 2H₂ + O₂ → 2H₂O?