Quiz: Control the Reaction Rate of a Foaming Reaction

Note: The correct answers are marked in green here for you, but this marking will not be visible to the students when they view the assignment.

Note: This assignment is enhanced with AI-powered formative feedback. Learn more.

a. increases the number of collisions between reactant molecules. b. provides an alternative reaction pathway with a lower activation energy. c. changes the molecular structure of the reaction products. d. is destroyed during the reaction in order to lower the activation energy.

Correct.

Incorrect.

a. the minimum energy required to cause a chemical reaction to occur. b. the energy with which all molecular collisions occur. c. the speed at which a reaction happens. d. the energy generated by the breaking of bonds during a reaction.

Correct.

Incorrect.

a. The reactant molecules have a higher kinetic energy. The activation energy decreases. c. The number of successful reactant collision increases. d. All of the above.

Correct.

Incorrect.

a. By increasing the concentrations of the reactants. b. By increasing the temperature of the reaction solution. c. By adding a catalyst to the reaction. d. By increasing the surface area of a solid reactant. e. All of the above.

Correct.

Incorrect.

Image Credit: Science Buddies

a. Curve A b. Curve B c. Curves A and C d. Curve C

Correct.

Incorrect.

Explore Our Science Videos