Entropy vs. Enthalpy Video Quizizz

What is enthalpy in a chemical reaction?

• A. The measure of a chemical's randomness

• B. The increase or decrease of energy during a chemical reaction

• C. The measure of a chemical's stability

• D. The amount of energy released during a chemical reaction

What is an exothermic reaction?

• C. A reaction that releases energy into its surroundings

• B. A reaction that requires less energy to occur

• A. A reaction where the final energy is greater than the starting energy

• D. A reaction that increases the chemical's randomness

What does entropy measure in a chemical reaction?

• C. The amount of energy released during a chemical reaction

• A. The measure of a chemical's randomness

• B. The increase or decrease of energy during a chemical reaction

• D. The measure of a chemical's stability

What factor can make reactions happen by allowing a shift to instability?

• C. Exothermic reaction

• B. Endothermic reaction

• A. Enthalpy

• D. Entropy

What powers the endothermic reaction of cooking dinner in a campfire?

• A. The neat, organized log of wood

• C. The match used to light the fire

• B. The energy shed by the exothermic reaction of combustion

• D. The high-energy combustible material in the wood