Balancing Chemical Equations Quiz

What is the first step in balancing the chemical equation for the formation of ammonia?

• Adjust the coefficients of the products

• Add more reactants to the equation

• Perform an atom inventory of the reactants

• Change the coefficients of the reactants

In the reaction between nitrogen and hydrogen to form ammonia, what is the common multiple used to balance the hydrogen atoms?

• Six

• Eight

• Five

• Four

When balancing the reaction between antimony and chlorine, what coefficient is placed in front of antimony chloride to balance the equation?

• Two

• One

• Three

• Four

In the reaction involving aluminum bromide and potassium sulfate, why is it helpful to keep the sulfate ion together?

• It reduces the number of atoms

• It changes the chemical properties

• It increases the reaction rate

• It simplifies the balancing process

What is the final balanced equation for the reaction between aluminum bromide and potassium sulfate?

• AlBr3 + K2SO4 → KBr + Al2(SO4)3

• 2 AlBr3 + 3 K2SO4 → 6 KBr + Al2(SO4)3

• AlBr3 + 3 K2SO4 → 3 KBr + Al2(SO4)3

• 2 AlBr3 + K2SO4 → 2 KBr + Al2(SO4)3