Chemical Reactions and Balancing

The video tutorial explains how to balance the chemical equation H2 + Cl2 = HCl. It begins by identifying the reactants and products, then counts the hydrogen and chlorine atoms on both sides of the equation. The tutorial demonstrates adjusting coefficients to balance the equation, ensuring equal numbers of each atom on both sides. The video concludes by identifying the reaction as a synthesis reaction, where two substances combine to form one product. Dr. B summarizes the balanced equation and the type of reaction, emphasizing the importance of balancing chemical equations in chemistry.

What are the reactants in the chemical equation H2 + Cl2 -> HCl?

• Hydrogen chloride and Chlorine gas

• Chlorine gas and Oxygen gas

• Hydrogen gas and Chlorine gas

• Hydrogen gas and Oxygen gas

What is the product formed in the reaction H2 + Cl2 -> HCl?

• Oxygen gas

• Hydrogen chloride

• Chlorine gas

• Hydrogen gas

How do you balance the chemical equation H2 + Cl2 -> HCl?

• Add coefficients in front of the molecules

• Add more products

• Change the subscripts of the molecules

• Remove atoms from the reactants

What is the balanced form of the equation H2 + Cl2 -> HCl?

• H2 + Cl2 -> HCl

• H2 + Cl2 -> 2HCl

• 2H2 + Cl2 -> HCl

• H2 + 2Cl2 -> HCl

What state of matter is hydrogen chloride in this reaction?

• Liquid

• Plasma

• Solid

• Gas

What type of reaction is H2 + Cl2 -> HCl?

• Double replacement

• Single replacement

• Synthesis

• Decomposition