Net Ionic Equations and Reactions

This video tutorial explains how to balance the net ionic equation for the reaction between potassium carbonate and nitric acid. It covers the steps to balance the molecular equation, determine the states of compounds, and derive the complete and net ionic equations. The tutorial emphasizes the importance of charge and mass conservation in chemical reactions.

What type of reaction occurs between potassium carbonate and nitric acid?

• Synthesis

• Decomposition

• Double displacement

• Single displacement

What is the first step in balancing the molecular equation for this reaction?

• Balancing the potassium ions

• Balancing the oxygen atoms

• Adjusting the coefficients for water

• Balancing the carbon atoms

Which of the following is a strong electrolyte in this reaction?

• Nitric acid

• Carbon dioxide

• Water

• Potassium carbonate

What is the state of carbon dioxide in this reaction?

• Solid

• Liquid

• Aqueous

• Gas

How many potassium ions are present in the complete ionic equation?

• One

• Four

• Two

• Three

What are spectator ions in a chemical reaction?

• Ions that do not change during the reaction

• Ions that participate in the reaction

• Ions that form a precipitate

• Ions that are gases

What is the net ionic equation for the reaction between potassium carbonate and nitric acid?

• CO3^2- + 2H+ → CO2 + H2O

• 2K+ + CO3^2- + 2H+ + 2NO3^- → 2K+ + 2NO3^- + CO2 + H2O

• 2K+ + 2NO3^- → 2KNO3

• K2CO3 + 2HNO3 → 2KNO3 + CO2 + H2O

Why is it important to ensure charge conservation in a net ionic equation?

• To ensure the reaction is spontaneous

• To balance the number of atoms

• To increase the reaction rate

• To maintain electrical neutrality

What is the charge of the carbonate ion in this reaction?

• 1-

• 2+

• 2-

• 1+

Which of the following statements is true about the final net ionic equation?

• Mass is not conserved

• Charge is not conserved

• Only charge is conserved

• Both mass and charge are conserved